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Research Design | Step-by-Step Guide with Examples
Published on 5 May 2022 by Shona McCombes . Revised on 20 March 2023.
A research design is a strategy for answering your research question using empirical data. Creating a research design means making decisions about:
- Your overall aims and approach
- The type of research design you’ll use
- Your sampling methods or criteria for selecting subjects
- Your data collection methods
- The procedures you’ll follow to collect data
- Your data analysis methods
A well-planned research design helps ensure that your methods match your research aims and that you use the right kind of analysis for your data.
Table of contents
Step 1: consider your aims and approach, step 2: choose a type of research design, step 3: identify your population and sampling method, step 4: choose your data collection methods, step 5: plan your data collection procedures, step 6: decide on your data analysis strategies, frequently asked questions.
- Introduction
Before you can start designing your research, you should already have a clear idea of the research question you want to investigate.
There are many different ways you could go about answering this question. Your research design choices should be driven by your aims and priorities – start by thinking carefully about what you want to achieve.
The first choice you need to make is whether you’ll take a qualitative or quantitative approach.
Qualitative approach | Quantitative approach |
---|---|
Qualitative research designs tend to be more flexible and inductive , allowing you to adjust your approach based on what you find throughout the research process.
Quantitative research designs tend to be more fixed and deductive , with variables and hypotheses clearly defined in advance of data collection.
It’s also possible to use a mixed methods design that integrates aspects of both approaches. By combining qualitative and quantitative insights, you can gain a more complete picture of the problem you’re studying and strengthen the credibility of your conclusions.
Practical and ethical considerations when designing research
As well as scientific considerations, you need to think practically when designing your research. If your research involves people or animals, you also need to consider research ethics .
- How much time do you have to collect data and write up the research?
- Will you be able to gain access to the data you need (e.g., by travelling to a specific location or contacting specific people)?
- Do you have the necessary research skills (e.g., statistical analysis or interview techniques)?
- Will you need ethical approval ?
At each stage of the research design process, make sure that your choices are practically feasible.
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Within both qualitative and quantitative approaches, there are several types of research design to choose from. Each type provides a framework for the overall shape of your research.
Types of quantitative research designs
Quantitative designs can be split into four main types. Experimental and quasi-experimental designs allow you to test cause-and-effect relationships, while descriptive and correlational designs allow you to measure variables and describe relationships between them.
Type of design | Purpose and characteristics |
---|---|
Experimental | |
Quasi-experimental | |
Correlational | |
Descriptive |
With descriptive and correlational designs, you can get a clear picture of characteristics, trends, and relationships as they exist in the real world. However, you can’t draw conclusions about cause and effect (because correlation doesn’t imply causation ).
Experiments are the strongest way to test cause-and-effect relationships without the risk of other variables influencing the results. However, their controlled conditions may not always reflect how things work in the real world. They’re often also more difficult and expensive to implement.
Types of qualitative research designs
Qualitative designs are less strictly defined. This approach is about gaining a rich, detailed understanding of a specific context or phenomenon, and you can often be more creative and flexible in designing your research.
The table below shows some common types of qualitative design. They often have similar approaches in terms of data collection, but focus on different aspects when analysing the data.
Type of design | Purpose and characteristics |
---|---|
Grounded theory | |
Phenomenology |
Your research design should clearly define who or what your research will focus on, and how you’ll go about choosing your participants or subjects.
In research, a population is the entire group that you want to draw conclusions about, while a sample is the smaller group of individuals you’ll actually collect data from.
Defining the population
A population can be made up of anything you want to study – plants, animals, organisations, texts, countries, etc. In the social sciences, it most often refers to a group of people.
For example, will you focus on people from a specific demographic, region, or background? Are you interested in people with a certain job or medical condition, or users of a particular product?
The more precisely you define your population, the easier it will be to gather a representative sample.
Sampling methods
Even with a narrowly defined population, it’s rarely possible to collect data from every individual. Instead, you’ll collect data from a sample.
To select a sample, there are two main approaches: probability sampling and non-probability sampling . The sampling method you use affects how confidently you can generalise your results to the population as a whole.
Probability sampling | Non-probability sampling |
---|---|
Probability sampling is the most statistically valid option, but it’s often difficult to achieve unless you’re dealing with a very small and accessible population.
For practical reasons, many studies use non-probability sampling, but it’s important to be aware of the limitations and carefully consider potential biases. You should always make an effort to gather a sample that’s as representative as possible of the population.
Case selection in qualitative research
In some types of qualitative designs, sampling may not be relevant.
For example, in an ethnography or a case study, your aim is to deeply understand a specific context, not to generalise to a population. Instead of sampling, you may simply aim to collect as much data as possible about the context you are studying.
In these types of design, you still have to carefully consider your choice of case or community. You should have a clear rationale for why this particular case is suitable for answering your research question.
For example, you might choose a case study that reveals an unusual or neglected aspect of your research problem, or you might choose several very similar or very different cases in order to compare them.
Data collection methods are ways of directly measuring variables and gathering information. They allow you to gain first-hand knowledge and original insights into your research problem.
You can choose just one data collection method, or use several methods in the same study.
Survey methods
Surveys allow you to collect data about opinions, behaviours, experiences, and characteristics by asking people directly. There are two main survey methods to choose from: questionnaires and interviews.
Questionnaires | Interviews |
---|---|
Observation methods
Observations allow you to collect data unobtrusively, observing characteristics, behaviours, or social interactions without relying on self-reporting.
Observations may be conducted in real time, taking notes as you observe, or you might make audiovisual recordings for later analysis. They can be qualitative or quantitative.
Quantitative observation | |
---|---|
Other methods of data collection
There are many other ways you might collect data depending on your field and topic.
Field | Examples of data collection methods |
---|---|
Media & communication | Collecting a sample of texts (e.g., speeches, articles, or social media posts) for data on cultural norms and narratives |
Psychology | Using technologies like neuroimaging, eye-tracking, or computer-based tasks to collect data on things like attention, emotional response, or reaction time |
Education | Using tests or assignments to collect data on knowledge and skills |
Physical sciences | Using scientific instruments to collect data on things like weight, blood pressure, or chemical composition |
If you’re not sure which methods will work best for your research design, try reading some papers in your field to see what data collection methods they used.
Secondary data
If you don’t have the time or resources to collect data from the population you’re interested in, you can also choose to use secondary data that other researchers already collected – for example, datasets from government surveys or previous studies on your topic.
With this raw data, you can do your own analysis to answer new research questions that weren’t addressed by the original study.
Using secondary data can expand the scope of your research, as you may be able to access much larger and more varied samples than you could collect yourself.
However, it also means you don’t have any control over which variables to measure or how to measure them, so the conclusions you can draw may be limited.
As well as deciding on your methods, you need to plan exactly how you’ll use these methods to collect data that’s consistent, accurate, and unbiased.
Planning systematic procedures is especially important in quantitative research, where you need to precisely define your variables and ensure your measurements are reliable and valid.
Operationalisation
Some variables, like height or age, are easily measured. But often you’ll be dealing with more abstract concepts, like satisfaction, anxiety, or competence. Operationalisation means turning these fuzzy ideas into measurable indicators.
If you’re using observations , which events or actions will you count?
If you’re using surveys , which questions will you ask and what range of responses will be offered?
You may also choose to use or adapt existing materials designed to measure the concept you’re interested in – for example, questionnaires or inventories whose reliability and validity has already been established.
Reliability and validity
Reliability means your results can be consistently reproduced , while validity means that you’re actually measuring the concept you’re interested in.
Reliability | Validity |
---|---|
For valid and reliable results, your measurement materials should be thoroughly researched and carefully designed. Plan your procedures to make sure you carry out the same steps in the same way for each participant.
If you’re developing a new questionnaire or other instrument to measure a specific concept, running a pilot study allows you to check its validity and reliability in advance.
Sampling procedures
As well as choosing an appropriate sampling method, you need a concrete plan for how you’ll actually contact and recruit your selected sample.
That means making decisions about things like:
- How many participants do you need for an adequate sample size?
- What inclusion and exclusion criteria will you use to identify eligible participants?
- How will you contact your sample – by mail, online, by phone, or in person?
If you’re using a probability sampling method, it’s important that everyone who is randomly selected actually participates in the study. How will you ensure a high response rate?
If you’re using a non-probability method, how will you avoid bias and ensure a representative sample?
Data management
It’s also important to create a data management plan for organising and storing your data.
Will you need to transcribe interviews or perform data entry for observations? You should anonymise and safeguard any sensitive data, and make sure it’s backed up regularly.
Keeping your data well organised will save time when it comes to analysing them. It can also help other researchers validate and add to your findings.
On their own, raw data can’t answer your research question. The last step of designing your research is planning how you’ll analyse the data.
Quantitative data analysis
In quantitative research, you’ll most likely use some form of statistical analysis . With statistics, you can summarise your sample data, make estimates, and test hypotheses.
Using descriptive statistics , you can summarise your sample data in terms of:
- The distribution of the data (e.g., the frequency of each score on a test)
- The central tendency of the data (e.g., the mean to describe the average score)
- The variability of the data (e.g., the standard deviation to describe how spread out the scores are)
The specific calculations you can do depend on the level of measurement of your variables.
Using inferential statistics , you can:
- Make estimates about the population based on your sample data.
- Test hypotheses about a relationship between variables.
Regression and correlation tests look for associations between two or more variables, while comparison tests (such as t tests and ANOVAs ) look for differences in the outcomes of different groups.
Your choice of statistical test depends on various aspects of your research design, including the types of variables you’re dealing with and the distribution of your data.
Qualitative data analysis
In qualitative research, your data will usually be very dense with information and ideas. Instead of summing it up in numbers, you’ll need to comb through the data in detail, interpret its meanings, identify patterns, and extract the parts that are most relevant to your research question.
Two of the most common approaches to doing this are thematic analysis and discourse analysis .
Approach | Characteristics |
---|---|
Thematic analysis | |
Discourse analysis |
There are many other ways of analysing qualitative data depending on the aims of your research. To get a sense of potential approaches, try reading some qualitative research papers in your field.
A sample is a subset of individuals from a larger population. Sampling means selecting the group that you will actually collect data from in your research.
For example, if you are researching the opinions of students in your university, you could survey a sample of 100 students.
Statistical sampling allows you to test a hypothesis about the characteristics of a population. There are various sampling methods you can use to ensure that your sample is representative of the population as a whole.
Operationalisation means turning abstract conceptual ideas into measurable observations.
For example, the concept of social anxiety isn’t directly observable, but it can be operationally defined in terms of self-rating scores, behavioural avoidance of crowded places, or physical anxiety symptoms in social situations.
Before collecting data , it’s important to consider how you will operationalise the variables that you want to measure.
The research methods you use depend on the type of data you need to answer your research question .
- If you want to measure something or test a hypothesis , use quantitative methods . If you want to explore ideas, thoughts, and meanings, use qualitative methods .
- If you want to analyse a large amount of readily available data, use secondary data. If you want data specific to your purposes with control over how they are generated, collect primary data.
- If you want to establish cause-and-effect relationships between variables , use experimental methods. If you want to understand the characteristics of a research subject, use descriptive methods.
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How to Write a Research Design – Guide with Examples
Published by Alaxendra Bets at August 14th, 2021 , Revised On June 24, 2024
A research design is a structure that combines different components of research. It involves the use of different data collection and data analysis techniques logically to answer the research questions .
It would be best to make some decisions about addressing the research questions adequately before starting the research process, which is achieved with the help of the research design.
Below are the key aspects of the decision-making process:
- Data type required for research
- Research resources
- Participants required for research
- Hypothesis based upon research question(s)
- Data analysis methodologies
- Variables (Independent, dependent, and confounding)
- The location and timescale for conducting the data
- The time period required for research
The research design provides the strategy of investigation for your project. Furthermore, it defines the parameters and criteria to compile the data to evaluate results and conclude.
Your project’s validity depends on the data collection and interpretation techniques. A strong research design reflects a strong dissertation , scientific paper, or research proposal .
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Step 1: Establish Priorities for Research Design
Before conducting any research study, you must address an important question: “how to create a research design.”
The research design depends on the researcher’s priorities and choices because every research has different priorities. For a complex research study involving multiple methods, you may choose to have more than one research design.
Multimethodology or multimethod research includes using more than one data collection method or research in a research study or set of related studies.
If one research design is weak in one area, then another research design can cover that weakness. For instance, a dissertation analyzing different situations or cases will have more than one research design.
For example:
- Experimental research involves experimental investigation and laboratory experience, but it does not accurately investigate the real world.
- Quantitative research is good for the statistical part of the project, but it may not provide an in-depth understanding of the topic .
- Also, correlational research will not provide experimental results because it is a technique that assesses the statistical relationship between two variables.
While scientific considerations are a fundamental aspect of the research design, It is equally important that the researcher think practically before deciding on its structure. Here are some questions that you should think of;
- Do you have enough time to gather data and complete the write-up?
- Will you be able to collect the necessary data by interviewing a specific person or visiting a specific location?
- Do you have in-depth knowledge about the different statistical analysis and data collection techniques to address the research questions or test the hypothesis ?
If you think that the chosen research design cannot answer the research questions properly, you can refine your research questions to gain better insight.
Step 2: Data Type you Need for Research
Decide on the type of data you need for your research. The type of data you need to collect depends on your research questions or research hypothesis. Two types of research data can be used to answer the research questions:
Primary Data Vs. Secondary Data
The researcher collects the primary data from first-hand sources with the help of different data collection methods such as interviews, experiments, surveys, etc. Primary research data is considered far more authentic and relevant, but it involves additional cost and time. | |
Research on academic references which themselves incorporate primary data will be regarded as secondary data. There is no need to do a survey or interview with a person directly, and it is time effective. The researcher should focus on the validity and reliability of the source. |
Qualitative Vs. Quantitative Data
This type of data encircles the researcher’s descriptive experience and shows the relationship between the observation and collected data. It involves interpretation and conceptual understanding of the research. There are many theories involved which can approve or disapprove the mathematical and statistical calculation. For instance, you are searching how to write a research design proposal. It means you require qualitative data about the mentioned topic. | |
If your research requires statistical and mathematical approaches for measuring the variable and testing your hypothesis, your objective is to compile quantitative data. Many businesses and researchers use this type of data with pre-determined data collection methods and variables for their research design. |
Also, see; Research methods, design, and analysis .
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Step 3: Data Collection Techniques
Once you have selected the type of research to answer your research question, you need to decide where and how to collect the data.
It is time to determine your research method to address the research problem . Research methods involve procedures, techniques, materials, and tools used for the study.
For instance, a dissertation research design includes the different resources and data collection techniques and helps establish your dissertation’s structure .
The following table shows the characteristics of the most popularly employed research methods.
Research Methods
Methods | What to consider |
---|---|
Surveys | The survey planning requires; Selection of responses and how many responses are required for the research? Survey distribution techniques (online, by post, in person, etc.) Techniques to design the question |
Interviews | Criteria to select the interviewee. Time and location of the interview. Type of interviews; i.e., structured, semi-structured, or unstructured |
Experiments | Place of the experiment; laboratory or in the field. Measuring of the variables Design of the experiment |
Secondary Data | Criteria to select the references and source for the data. The reliability of the references. The technique used for compiling the data source. |
Step 4: Procedure of Data Analysis
Use of the correct data and statistical analysis technique is necessary for the validity of your research. Therefore, you need to be certain about the data type that would best address the research problem. Choosing an appropriate analysis method is the final step for the research design. It can be split into two main categories;
Quantitative Data Analysis
The quantitative data analysis technique involves analyzing the numerical data with the help of different applications such as; SPSS, STATA, Excel, origin lab, etc.
This data analysis strategy tests different variables such as spectrum, frequencies, averages, and more. The research question and the hypothesis must be established to identify the variables for testing.
Qualitative Data Analysis
Qualitative data analysis of figures, themes, and words allows for flexibility and the researcher’s subjective opinions. This means that the researcher’s primary focus will be interpreting patterns, tendencies, and accounts and understanding the implications and social framework.
You should be clear about your research objectives before starting to analyze the data. For example, you should ask yourself whether you need to explain respondents’ experiences and insights or do you also need to evaluate their responses with reference to a certain social framework.
Step 5: Write your Research Proposal
The research design is an important component of a research proposal because it plans the project’s execution. You can share it with the supervisor, who would evaluate the feasibility and capacity of the results and conclusion .
Read our guidelines to write a research proposal if you have already formulated your research design. The research proposal is written in the future tense because you are writing your proposal before conducting research.
The research methodology or research design, on the other hand, is generally written in the past tense.
How to Write a Research Design – Conclusion
A research design is the plan, structure, strategy of investigation conceived to answer the research question and test the hypothesis. The dissertation research design can be classified based on the type of data and the type of analysis.
Above mentioned five steps are the answer to how to write a research design. So, follow these steps to formulate the perfect research design for your dissertation .
ResearchProspect writers have years of experience creating research designs that align with the dissertation’s aim and objectives. If you are struggling with your dissertation methodology chapter, you might want to look at our dissertation part-writing service.
Our dissertation writers can also help you with the full dissertation paper . No matter how urgent or complex your need may be, ResearchProspect can help. We also offer PhD level research paper writing services.
Frequently Asked Questions
What is research design.
Research design is a systematic plan that guides the research process, outlining the methodology and procedures for collecting and analysing data. It determines the structure of the study, ensuring the research question is answered effectively, reliably, and validly. It serves as the blueprint for the entire research project.
How to write a research design?
To write a research design, define your research question, identify the research method (qualitative, quantitative, or mixed), choose data collection techniques (e.g., surveys, interviews), determine the sample size and sampling method, outline data analysis procedures, and highlight potential limitations and ethical considerations for the study.
How to write the design section of a research paper?
In the design section of a research paper, describe the research methodology chosen and justify its selection. Outline the data collection methods, participants or samples, instruments used, and procedures followed. Detail any experimental controls, if applicable. Ensure clarity and precision to enable replication of the study by other researchers.
How to write a research design in methodology?
To write a research design in methodology, clearly outline the research strategy (e.g., experimental, survey, case study). Describe the sampling technique, participants, and data collection methods. Detail the procedures for data collection and analysis. Justify choices by linking them to research objectives, addressing reliability and validity.
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Make sure that your selected topic is intriguing, manageable, and relevant. Here are some guidelines to help understand how to find a good dissertation topic.
Find how to write research questions with the mentioned steps required for a perfect research question. Choose an interesting topic and begin your research.
How to write a hypothesis for dissertation,? A hypothesis is a statement that can be tested with the help of experimental or theoretical research.
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Research Design 101
Everything You Need To Get Started (With Examples)
By: Derek Jansen (MBA) | Reviewers: Eunice Rautenbach (DTech) & Kerryn Warren (PhD) | April 2023
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Navigating the world of research can be daunting, especially if you’re a first-time researcher. One concept you’re bound to run into fairly early in your research journey is that of “ research design ”. Here, we’ll guide you through the basics using practical examples , so that you can approach your research with confidence.
Overview: Research Design 101
What is research design.
- Research design types for quantitative studies
- Video explainer : quantitative research design
- Research design types for qualitative studies
- Video explainer : qualitative research design
- How to choose a research design
- Key takeaways
Research design refers to the overall plan, structure or strategy that guides a research project , from its conception to the final data analysis. A good research design serves as the blueprint for how you, as the researcher, will collect and analyse data while ensuring consistency, reliability and validity throughout your study.
Understanding different types of research designs is essential as helps ensure that your approach is suitable given your research aims, objectives and questions , as well as the resources you have available to you. Without a clear big-picture view of how you’ll design your research, you run the risk of potentially making misaligned choices in terms of your methodology – especially your sampling , data collection and data analysis decisions.
The problem with defining research design…
One of the reasons students struggle with a clear definition of research design is because the term is used very loosely across the internet, and even within academia.
Some sources claim that the three research design types are qualitative, quantitative and mixed methods , which isn’t quite accurate (these just refer to the type of data that you’ll collect and analyse). Other sources state that research design refers to the sum of all your design choices, suggesting it’s more like a research methodology . Others run off on other less common tangents. No wonder there’s confusion!
In this article, we’ll clear up the confusion. We’ll explain the most common research design types for both qualitative and quantitative research projects, whether that is for a full dissertation or thesis, or a smaller research paper or article.
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Research Design: Quantitative Studies
Quantitative research involves collecting and analysing data in a numerical form. Broadly speaking, there are four types of quantitative research designs: descriptive , correlational , experimental , and quasi-experimental .
Descriptive Research Design
As the name suggests, descriptive research design focuses on describing existing conditions, behaviours, or characteristics by systematically gathering information without manipulating any variables. In other words, there is no intervention on the researcher’s part – only data collection.
For example, if you’re studying smartphone addiction among adolescents in your community, you could deploy a survey to a sample of teens asking them to rate their agreement with certain statements that relate to smartphone addiction. The collected data would then provide insight regarding how widespread the issue may be – in other words, it would describe the situation.
The key defining attribute of this type of research design is that it purely describes the situation . In other words, descriptive research design does not explore potential relationships between different variables or the causes that may underlie those relationships. Therefore, descriptive research is useful for generating insight into a research problem by describing its characteristics . By doing so, it can provide valuable insights and is often used as a precursor to other research design types.
Correlational Research Design
Correlational design is a popular choice for researchers aiming to identify and measure the relationship between two or more variables without manipulating them . In other words, this type of research design is useful when you want to know whether a change in one thing tends to be accompanied by a change in another thing.
For example, if you wanted to explore the relationship between exercise frequency and overall health, you could use a correlational design to help you achieve this. In this case, you might gather data on participants’ exercise habits, as well as records of their health indicators like blood pressure, heart rate, or body mass index. Thereafter, you’d use a statistical test to assess whether there’s a relationship between the two variables (exercise frequency and health).
As you can see, correlational research design is useful when you want to explore potential relationships between variables that cannot be manipulated or controlled for ethical, practical, or logistical reasons. It is particularly helpful in terms of developing predictions , and given that it doesn’t involve the manipulation of variables, it can be implemented at a large scale more easily than experimental designs (which will look at next).
That said, it’s important to keep in mind that correlational research design has limitations – most notably that it cannot be used to establish causality . In other words, correlation does not equal causation . To establish causality, you’ll need to move into the realm of experimental design, coming up next…
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Experimental Research Design
Experimental research design is used to determine if there is a causal relationship between two or more variables . With this type of research design, you, as the researcher, manipulate one variable (the independent variable) while controlling others (dependent variables). Doing so allows you to observe the effect of the former on the latter and draw conclusions about potential causality.
For example, if you wanted to measure if/how different types of fertiliser affect plant growth, you could set up several groups of plants, with each group receiving a different type of fertiliser, as well as one with no fertiliser at all. You could then measure how much each plant group grew (on average) over time and compare the results from the different groups to see which fertiliser was most effective.
Overall, experimental research design provides researchers with a powerful way to identify and measure causal relationships (and the direction of causality) between variables. However, developing a rigorous experimental design can be challenging as it’s not always easy to control all the variables in a study. This often results in smaller sample sizes , which can reduce the statistical power and generalisability of the results.
Moreover, experimental research design requires random assignment . This means that the researcher needs to assign participants to different groups or conditions in a way that each participant has an equal chance of being assigned to any group (note that this is not the same as random sampling ). Doing so helps reduce the potential for bias and confounding variables . This need for random assignment can lead to ethics-related issues . For example, withholding a potentially beneficial medical treatment from a control group may be considered unethical in certain situations.
Quasi-Experimental Research Design
Quasi-experimental research design is used when the research aims involve identifying causal relations , but one cannot (or doesn’t want to) randomly assign participants to different groups (for practical or ethical reasons). Instead, with a quasi-experimental research design, the researcher relies on existing groups or pre-existing conditions to form groups for comparison.
For example, if you were studying the effects of a new teaching method on student achievement in a particular school district, you may be unable to randomly assign students to either group and instead have to choose classes or schools that already use different teaching methods. This way, you still achieve separate groups, without having to assign participants to specific groups yourself.
Naturally, quasi-experimental research designs have limitations when compared to experimental designs. Given that participant assignment is not random, it’s more difficult to confidently establish causality between variables, and, as a researcher, you have less control over other variables that may impact findings.
All that said, quasi-experimental designs can still be valuable in research contexts where random assignment is not possible and can often be undertaken on a much larger scale than experimental research, thus increasing the statistical power of the results. What’s important is that you, as the researcher, understand the limitations of the design and conduct your quasi-experiment as rigorously as possible, paying careful attention to any potential confounding variables .
![research-design-types-quant The four most common quantitative research design types are descriptive, correlational, experimental and quasi-experimental.](https://gradcoach.com/wp-content/uploads/research-design-types-quant.png)
Research Design: Qualitative Studies
There are many different research design types when it comes to qualitative studies, but here we’ll narrow our focus to explore the “Big 4”. Specifically, we’ll look at phenomenological design, grounded theory design, ethnographic design, and case study design.
Phenomenological Research Design
Phenomenological design involves exploring the meaning of lived experiences and how they are perceived by individuals. This type of research design seeks to understand people’s perspectives , emotions, and behaviours in specific situations. Here, the aim for researchers is to uncover the essence of human experience without making any assumptions or imposing preconceived ideas on their subjects.
For example, you could adopt a phenomenological design to study why cancer survivors have such varied perceptions of their lives after overcoming their disease. This could be achieved by interviewing survivors and then analysing the data using a qualitative analysis method such as thematic analysis to identify commonalities and differences.
Phenomenological research design typically involves in-depth interviews or open-ended questionnaires to collect rich, detailed data about participants’ subjective experiences. This richness is one of the key strengths of phenomenological research design but, naturally, it also has limitations. These include potential biases in data collection and interpretation and the lack of generalisability of findings to broader populations.
Grounded Theory Research Design
Grounded theory (also referred to as “GT”) aims to develop theories by continuously and iteratively analysing and comparing data collected from a relatively large number of participants in a study. It takes an inductive (bottom-up) approach, with a focus on letting the data “speak for itself”, without being influenced by preexisting theories or the researcher’s preconceptions.
As an example, let’s assume your research aims involved understanding how people cope with chronic pain from a specific medical condition, with a view to developing a theory around this. In this case, grounded theory design would allow you to explore this concept thoroughly without preconceptions about what coping mechanisms might exist. You may find that some patients prefer cognitive-behavioural therapy (CBT) while others prefer to rely on herbal remedies. Based on multiple, iterative rounds of analysis, you could then develop a theory in this regard, derived directly from the data (as opposed to other preexisting theories and models).
Grounded theory typically involves collecting data through interviews or observations and then analysing it to identify patterns and themes that emerge from the data. These emerging ideas are then validated by collecting more data until a saturation point is reached (i.e., no new information can be squeezed from the data). From that base, a theory can then be developed .
As you can see, grounded theory is ideally suited to studies where the research aims involve theory generation , especially in under-researched areas. Keep in mind though that this type of research design can be quite time-intensive , given the need for multiple rounds of data collection and analysis.
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Ethnographic Research Design
Ethnographic design involves observing and studying a culture-sharing group of people in their natural setting to gain insight into their behaviours, beliefs, and values. The focus here is on observing participants in their natural environment (as opposed to a controlled environment). This typically involves the researcher spending an extended period of time with the participants in their environment, carefully observing and taking field notes .
All of this is not to say that ethnographic research design relies purely on observation. On the contrary, this design typically also involves in-depth interviews to explore participants’ views, beliefs, etc. However, unobtrusive observation is a core component of the ethnographic approach.
As an example, an ethnographer may study how different communities celebrate traditional festivals or how individuals from different generations interact with technology differently. This may involve a lengthy period of observation, combined with in-depth interviews to further explore specific areas of interest that emerge as a result of the observations that the researcher has made.
As you can probably imagine, ethnographic research design has the ability to provide rich, contextually embedded insights into the socio-cultural dynamics of human behaviour within a natural, uncontrived setting. Naturally, however, it does come with its own set of challenges, including researcher bias (since the researcher can become quite immersed in the group), participant confidentiality and, predictably, ethical complexities . All of these need to be carefully managed if you choose to adopt this type of research design.
Case Study Design
With case study research design, you, as the researcher, investigate a single individual (or a single group of individuals) to gain an in-depth understanding of their experiences, behaviours or outcomes. Unlike other research designs that are aimed at larger sample sizes, case studies offer a deep dive into the specific circumstances surrounding a person, group of people, event or phenomenon, generally within a bounded setting or context .
As an example, a case study design could be used to explore the factors influencing the success of a specific small business. This would involve diving deeply into the organisation to explore and understand what makes it tick – from marketing to HR to finance. In terms of data collection, this could include interviews with staff and management, review of policy documents and financial statements, surveying customers, etc.
While the above example is focused squarely on one organisation, it’s worth noting that case study research designs can have different variation s, including single-case, multiple-case and longitudinal designs. As you can see in the example, a single-case design involves intensely examining a single entity to understand its unique characteristics and complexities. Conversely, in a multiple-case design , multiple cases are compared and contrasted to identify patterns and commonalities. Lastly, in a longitudinal case design , a single case or multiple cases are studied over an extended period of time to understand how factors develop over time.
As you can see, a case study research design is particularly useful where a deep and contextualised understanding of a specific phenomenon or issue is desired. However, this strength is also its weakness. In other words, you can’t generalise the findings from a case study to the broader population. So, keep this in mind if you’re considering going the case study route.
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How To Choose A Research Design
Having worked through all of these potential research designs, you’d be forgiven for feeling a little overwhelmed and wondering, “ But how do I decide which research design to use? ”. While we could write an entire post covering that alone, here are a few factors to consider that will help you choose a suitable research design for your study.
Data type: The first determining factor is naturally the type of data you plan to be collecting – i.e., qualitative or quantitative. This may sound obvious, but we have to be clear about this – don’t try to use a quantitative research design on qualitative data (or vice versa)!
Research aim(s) and question(s): As with all methodological decisions, your research aim and research questions will heavily influence your research design. For example, if your research aims involve developing a theory from qualitative data, grounded theory would be a strong option. Similarly, if your research aims involve identifying and measuring relationships between variables, one of the experimental designs would likely be a better option.
Time: It’s essential that you consider any time constraints you have, as this will impact the type of research design you can choose. For example, if you’ve only got a month to complete your project, a lengthy design such as ethnography wouldn’t be a good fit.
Resources: Take into account the resources realistically available to you, as these need to factor into your research design choice. For example, if you require highly specialised lab equipment to execute an experimental design, you need to be sure that you’ll have access to that before you make a decision.
Keep in mind that when it comes to research, it’s important to manage your risks and play as conservatively as possible. If your entire project relies on you achieving a huge sample, having access to niche equipment or holding interviews with very difficult-to-reach participants, you’re creating risks that could kill your project. So, be sure to think through your choices carefully and make sure that you have backup plans for any existential risks. Remember that a relatively simple methodology executed well generally will typically earn better marks than a highly-complex methodology executed poorly.
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Recap: Key Takeaways
We’ve covered a lot of ground here. Let’s recap by looking at the key takeaways:
- Research design refers to the overall plan, structure or strategy that guides a research project, from its conception to the final analysis of data.
- Research designs for quantitative studies include descriptive , correlational , experimental and quasi-experimenta l designs.
- Research designs for qualitative studies include phenomenological , grounded theory , ethnographic and case study designs.
- When choosing a research design, you need to consider a variety of factors, including the type of data you’ll be working with, your research aims and questions, your time and the resources available to you.
If you need a helping hand with your research design (or any other aspect of your research), check out our private coaching services .
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13 Comments
Is there any blog article explaining more on Case study research design? Is there a Case study write-up template? Thank you.
Thanks this was quite valuable to clarify such an important concept.
Thanks for this simplified explanations. it is quite very helpful.
This was really helpful. thanks
Thank you for your explanation. I think case study research design and the use of secondary data in researches needs to be talked about more in your videos and articles because there a lot of case studies research design tailored projects out there.
Please is there any template for a case study research design whose data type is a secondary data on your repository?
This post is very clear, comprehensive and has been very helpful to me. It has cleared the confusion I had in regard to research design and methodology.
This post is helpful, easy to understand, and deconstructs what a research design is. Thanks
This post is really helpful.
how to cite this page
Thank you very much for the post. It is wonderful and has cleared many worries in my mind regarding research designs. I really appreciate .
how can I put this blog as my reference(APA style) in bibliography part?
This post has been very useful to me. Confusing areas have been cleared
This is very helpful and very useful!
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Home » Research Design – Types, Methods and Examples
Research Design – Types, Methods and Examples
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Research Design
Definition:
Research design refers to the overall strategy or plan for conducting a research study. It outlines the methods and procedures that will be used to collect and analyze data, as well as the goals and objectives of the study. Research design is important because it guides the entire research process and ensures that the study is conducted in a systematic and rigorous manner.
Types of Research Design
Types of Research Design are as follows:
Descriptive Research Design
This type of research design is used to describe a phenomenon or situation. It involves collecting data through surveys, questionnaires, interviews, and observations. The aim of descriptive research is to provide an accurate and detailed portrayal of a particular group, event, or situation. It can be useful in identifying patterns, trends, and relationships in the data.
Correlational Research Design
Correlational research design is used to determine if there is a relationship between two or more variables. This type of research design involves collecting data from participants and analyzing the relationship between the variables using statistical methods. The aim of correlational research is to identify the strength and direction of the relationship between the variables.
Experimental Research Design
Experimental research design is used to investigate cause-and-effect relationships between variables. This type of research design involves manipulating one variable and measuring the effect on another variable. It usually involves randomly assigning participants to groups and manipulating an independent variable to determine its effect on a dependent variable. The aim of experimental research is to establish causality.
Quasi-experimental Research Design
Quasi-experimental research design is similar to experimental research design, but it lacks one or more of the features of a true experiment. For example, there may not be random assignment to groups or a control group. This type of research design is used when it is not feasible or ethical to conduct a true experiment.
Case Study Research Design
Case study research design is used to investigate a single case or a small number of cases in depth. It involves collecting data through various methods, such as interviews, observations, and document analysis. The aim of case study research is to provide an in-depth understanding of a particular case or situation.
Longitudinal Research Design
Longitudinal research design is used to study changes in a particular phenomenon over time. It involves collecting data at multiple time points and analyzing the changes that occur. The aim of longitudinal research is to provide insights into the development, growth, or decline of a particular phenomenon over time.
Structure of Research Design
The format of a research design typically includes the following sections:
- Introduction : This section provides an overview of the research problem, the research questions, and the importance of the study. It also includes a brief literature review that summarizes previous research on the topic and identifies gaps in the existing knowledge.
- Research Questions or Hypotheses: This section identifies the specific research questions or hypotheses that the study will address. These questions should be clear, specific, and testable.
- Research Methods : This section describes the methods that will be used to collect and analyze data. It includes details about the study design, the sampling strategy, the data collection instruments, and the data analysis techniques.
- Data Collection: This section describes how the data will be collected, including the sample size, data collection procedures, and any ethical considerations.
- Data Analysis: This section describes how the data will be analyzed, including the statistical techniques that will be used to test the research questions or hypotheses.
- Results : This section presents the findings of the study, including descriptive statistics and statistical tests.
- Discussion and Conclusion : This section summarizes the key findings of the study, interprets the results, and discusses the implications of the findings. It also includes recommendations for future research.
- References : This section lists the sources cited in the research design.
Example of Research Design
An Example of Research Design could be:
Research question: Does the use of social media affect the academic performance of high school students?
Research design:
- Research approach : The research approach will be quantitative as it involves collecting numerical data to test the hypothesis.
- Research design : The research design will be a quasi-experimental design, with a pretest-posttest control group design.
- Sample : The sample will be 200 high school students from two schools, with 100 students in the experimental group and 100 students in the control group.
- Data collection : The data will be collected through surveys administered to the students at the beginning and end of the academic year. The surveys will include questions about their social media usage and academic performance.
- Data analysis : The data collected will be analyzed using statistical software. The mean scores of the experimental and control groups will be compared to determine whether there is a significant difference in academic performance between the two groups.
- Limitations : The limitations of the study will be acknowledged, including the fact that social media usage can vary greatly among individuals, and the study only focuses on two schools, which may not be representative of the entire population.
- Ethical considerations: Ethical considerations will be taken into account, such as obtaining informed consent from the participants and ensuring their anonymity and confidentiality.
How to Write Research Design
Writing a research design involves planning and outlining the methodology and approach that will be used to answer a research question or hypothesis. Here are some steps to help you write a research design:
- Define the research question or hypothesis : Before beginning your research design, you should clearly define your research question or hypothesis. This will guide your research design and help you select appropriate methods.
- Select a research design: There are many different research designs to choose from, including experimental, survey, case study, and qualitative designs. Choose a design that best fits your research question and objectives.
- Develop a sampling plan : If your research involves collecting data from a sample, you will need to develop a sampling plan. This should outline how you will select participants and how many participants you will include.
- Define variables: Clearly define the variables you will be measuring or manipulating in your study. This will help ensure that your results are meaningful and relevant to your research question.
- Choose data collection methods : Decide on the data collection methods you will use to gather information. This may include surveys, interviews, observations, experiments, or secondary data sources.
- Create a data analysis plan: Develop a plan for analyzing your data, including the statistical or qualitative techniques you will use.
- Consider ethical concerns : Finally, be sure to consider any ethical concerns related to your research, such as participant confidentiality or potential harm.
When to Write Research Design
Research design should be written before conducting any research study. It is an important planning phase that outlines the research methodology, data collection methods, and data analysis techniques that will be used to investigate a research question or problem. The research design helps to ensure that the research is conducted in a systematic and logical manner, and that the data collected is relevant and reliable.
Ideally, the research design should be developed as early as possible in the research process, before any data is collected. This allows the researcher to carefully consider the research question, identify the most appropriate research methodology, and plan the data collection and analysis procedures in advance. By doing so, the research can be conducted in a more efficient and effective manner, and the results are more likely to be valid and reliable.
Purpose of Research Design
The purpose of research design is to plan and structure a research study in a way that enables the researcher to achieve the desired research goals with accuracy, validity, and reliability. Research design is the blueprint or the framework for conducting a study that outlines the methods, procedures, techniques, and tools for data collection and analysis.
Some of the key purposes of research design include:
- Providing a clear and concise plan of action for the research study.
- Ensuring that the research is conducted ethically and with rigor.
- Maximizing the accuracy and reliability of the research findings.
- Minimizing the possibility of errors, biases, or confounding variables.
- Ensuring that the research is feasible, practical, and cost-effective.
- Determining the appropriate research methodology to answer the research question(s).
- Identifying the sample size, sampling method, and data collection techniques.
- Determining the data analysis method and statistical tests to be used.
- Facilitating the replication of the study by other researchers.
- Enhancing the validity and generalizability of the research findings.
Applications of Research Design
There are numerous applications of research design in various fields, some of which are:
- Social sciences: In fields such as psychology, sociology, and anthropology, research design is used to investigate human behavior and social phenomena. Researchers use various research designs, such as experimental, quasi-experimental, and correlational designs, to study different aspects of social behavior.
- Education : Research design is essential in the field of education to investigate the effectiveness of different teaching methods and learning strategies. Researchers use various designs such as experimental, quasi-experimental, and case study designs to understand how students learn and how to improve teaching practices.
- Health sciences : In the health sciences, research design is used to investigate the causes, prevention, and treatment of diseases. Researchers use various designs, such as randomized controlled trials, cohort studies, and case-control studies, to study different aspects of health and healthcare.
- Business : Research design is used in the field of business to investigate consumer behavior, marketing strategies, and the impact of different business practices. Researchers use various designs, such as survey research, experimental research, and case studies, to study different aspects of the business world.
- Engineering : In the field of engineering, research design is used to investigate the development and implementation of new technologies. Researchers use various designs, such as experimental research and case studies, to study the effectiveness of new technologies and to identify areas for improvement.
Advantages of Research Design
Here are some advantages of research design:
- Systematic and organized approach : A well-designed research plan ensures that the research is conducted in a systematic and organized manner, which makes it easier to manage and analyze the data.
- Clear objectives: The research design helps to clarify the objectives of the study, which makes it easier to identify the variables that need to be measured, and the methods that need to be used to collect and analyze data.
- Minimizes bias: A well-designed research plan minimizes the chances of bias, by ensuring that the data is collected and analyzed objectively, and that the results are not influenced by the researcher’s personal biases or preferences.
- Efficient use of resources: A well-designed research plan helps to ensure that the resources (time, money, and personnel) are used efficiently and effectively, by focusing on the most important variables and methods.
- Replicability: A well-designed research plan makes it easier for other researchers to replicate the study, which enhances the credibility and reliability of the findings.
- Validity: A well-designed research plan helps to ensure that the findings are valid, by ensuring that the methods used to collect and analyze data are appropriate for the research question.
- Generalizability : A well-designed research plan helps to ensure that the findings can be generalized to other populations, settings, or situations, which increases the external validity of the study.
Research Design Vs Research Methodology
Research Design | Research Methodology |
---|---|
The plan and structure for conducting research that outlines the procedures to be followed to collect and analyze data. | The set of principles, techniques, and tools used to carry out the research plan and achieve research objectives. |
Describes the overall approach and strategy used to conduct research, including the type of data to be collected, the sources of data, and the methods for collecting and analyzing data. | Refers to the techniques and methods used to gather, analyze and interpret data, including sampling techniques, data collection methods, and data analysis techniques. |
Helps to ensure that the research is conducted in a systematic, rigorous, and valid way, so that the results are reliable and can be used to make sound conclusions. | Includes a set of procedures and tools that enable researchers to collect and analyze data in a consistent and valid manner, regardless of the research design used. |
Common research designs include experimental, quasi-experimental, correlational, and descriptive studies. | Common research methodologies include qualitative, quantitative, and mixed-methods approaches. |
Determines the overall structure of the research project and sets the stage for the selection of appropriate research methodologies. | Guides the researcher in selecting the most appropriate research methods based on the research question, research design, and other contextual factors. |
Helps to ensure that the research project is feasible, relevant, and ethical. | Helps to ensure that the data collected is accurate, valid, and reliable, and that the research findings can be interpreted and generalized to the population of interest. |
About the author
Muhammad Hassan
Researcher, Academic Writer, Web developer
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What is Research Design? Understand Types of Research Design, with Examples
Have you been wondering “ what is research design ?” or “what are some research design examples ?” Are you unsure about the research design elements or which of the different types of research design best suit your study? Don’t worry! In this article, we’ve got you covered!
Table of Contents
What is research design?
Have you been wondering “ what is research design ?” or “what are some research design examples ?” Don’t worry! In this article, we’ve got you covered!
A research design is the plan or framework used to conduct a research study. It involves outlining the overall approach and methods that will be used to collect and analyze data in order to answer research questions or test hypotheses. A well-designed research study should have a clear and well-defined research question, a detailed plan for collecting data, and a method for analyzing and interpreting the results. A well-thought-out research design addresses all these features.
Research design elements
Research design elements include the following:
- Clear purpose: The research question or hypothesis must be clearly defined and focused.
- Sampling: This includes decisions about sample size, sampling method, and criteria for inclusion or exclusion. The approach varies for different research design types .
- Data collection: This research design element involves the process of gathering data or information from the study participants or sources. It includes decisions about what data to collect, how to collect it, and the tools or instruments that will be used.
- Data analysis: All research design types require analysis and interpretation of the data collected. This research design element includes decisions about the statistical tests or methods that will be used to analyze the data, as well as any potential confounding variables or biases that may need to be addressed.
- Type of research methodology: This includes decisions about the overall approach for the study.
- Time frame: An important research design element is the time frame, which includes decisions about the duration of the study, the timeline for data collection and analysis, and follow-up periods.
- Ethical considerations: The research design must include decisions about ethical considerations such as informed consent, confidentiality, and participant protection.
- Resources: A good research design takes into account decisions about the budget, staffing, and other resources needed to carry out the study.
The elements of research design should be carefully planned and executed to ensure the validity and reliability of the study findings. Let’s go deeper into the concepts of research design .
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Characteristics of research design
Some basic characteristics of research design are common to different research design types . These characteristics of research design are as follows:
- Neutrality : Right from the study assumptions to setting up the study, a neutral stance must be maintained, free of pre-conceived notions. The researcher’s expectations or beliefs should not color the findings or interpretation of the findings. Accordingly, a good research design should address potential sources of bias and confounding factors to be able to yield unbiased and neutral results.
- Reliability : Reliability is one of the characteristics of research design that refers to consistency in measurement over repeated measures and fewer random errors. A reliable research design must allow for results to be consistent, with few errors due to chance.
- Validity : Validity refers to the minimization of nonrandom (systematic) errors. A good research design must employ measurement tools that ensure validity of the results.
- Generalizability: The outcome of the research design should be applicable to a larger population and not just a small sample . A generalized method means the study can be conducted on any part of a population with similar accuracy.
- Flexibility: A research design should allow for changes to be made to the research plan as needed, based on the data collected and the outcomes of the study
A well-planned research design is critical for conducting a scientifically rigorous study that will generate neutral, reliable, valid, and generalizable results. At the same time, it should allow some level of flexibility.
Different types of research design
A research design is essential to systematically investigate, understand, and interpret phenomena of interest. Let’s look at different types of research design and research design examples .
Broadly, research design types can be divided into qualitative and quantitative research.
Qualitative research is subjective and exploratory. It determines relationships between collected data and observations. It is usually carried out through interviews with open-ended questions, observations that are described in words, etc.
Quantitative research is objective and employs statistical approaches. It establishes the cause-and-effect relationship among variables using different statistical and computational methods. This type of research is usually done using surveys and experiments.
Qualitative research vs. Quantitative research
Deals with subjective aspects, e.g., experiences, beliefs, perspectives, and concepts. | Measures different types of variables and describes frequencies, averages, correlations, etc. |
Deals with non-numerical data, such as words, images, and observations. | Tests hypotheses about relationships between variables. Results are presented numerically and statistically. |
In qualitative research design, data are collected via direct observations, interviews, focus groups, and naturally occurring data. Methods for conducting qualitative research are grounded theory, thematic analysis, and discourse analysis.
| Quantitative research design is empirical. Data collection methods involved are experiments, surveys, and observations expressed in numbers. The research design categories under this are descriptive, experimental, correlational, diagnostic, and explanatory. |
Data analysis involves interpretation and narrative analysis. | Data analysis involves statistical analysis and hypothesis testing. |
The reasoning used to synthesize data is inductive.
| The reasoning used to synthesize data is deductive.
|
Typically used in fields such as sociology, linguistics, and anthropology. | Typically used in fields such as economics, ecology, statistics, and medicine. |
Example: Focus group discussions with women farmers about climate change perception.
| Example: Testing the effectiveness of a new treatment for insomnia. |
Qualitative research design types and qualitative research design examples
The following will familiarize you with the research design categories in qualitative research:
- Grounded theory: This design is used to investigate research questions that have not previously been studied in depth. Also referred to as exploratory design , it creates sequential guidelines, offers strategies for inquiry, and makes data collection and analysis more efficient in qualitative research.
Example: A researcher wants to study how people adopt a certain app. The researcher collects data through interviews and then analyzes the data to look for patterns. These patterns are used to develop a theory about how people adopt that app.
- Thematic analysis: This design is used to compare the data collected in past research to find similar themes in qualitative research.
Example: A researcher examines an interview transcript to identify common themes, say, topics or patterns emerging repeatedly.
- Discourse analysis : This research design deals with language or social contexts used in data gathering in qualitative research.
Example: Identifying ideological frameworks and viewpoints of writers of a series of policies.
Quantitative research design types and quantitative research design examples
Note the following research design categories in quantitative research:
- Descriptive research design : This quantitative research design is applied where the aim is to identify characteristics, frequencies, trends, and categories. It may not often begin with a hypothesis. The basis of this research type is a description of an identified variable. This research design type describes the “what,” “when,” “where,” or “how” of phenomena (but not the “why”).
Example: A study on the different income levels of people who use nutritional supplements regularly.
- Correlational research design : Correlation reflects the strength and/or direction of the relationship among variables. The direction of a correlation can be positive or negative. Correlational research design helps researchers establish a relationship between two variables without the researcher controlling any of them.
Example : An example of correlational research design could be studying the correlation between time spent watching crime shows and aggressive behavior in teenagers.
- Diagnostic research design : In diagnostic design, the researcher aims to understand the underlying cause of a specific topic or phenomenon (usually an area of improvement) and find the most effective solution. In simpler terms, a researcher seeks an accurate “diagnosis” of a problem and identifies a solution.
Example : A researcher analyzing customer feedback and reviews to identify areas where an app can be improved.
- Explanatory research design : In explanatory research design , a researcher uses their ideas and thoughts on a topic to explore their theories in more depth. This design is used to explore a phenomenon when limited information is available. It can help increase current understanding of unexplored aspects of a subject. It is thus a kind of “starting point” for future research.
Example : Formulating hypotheses to guide future studies on delaying school start times for better mental health in teenagers.
- Causal research design : This can be considered a type of explanatory research. Causal research design seeks to define a cause and effect in its data. The researcher does not use a randomly chosen control group but naturally or pre-existing groupings. Importantly, the researcher does not manipulate the independent variable.
Example : Comparing school dropout levels and possible bullying events.
- Experimental research design : This research design is used to study causal relationships . One or more independent variables are manipulated, and their effect on one or more dependent variables is measured.
Example: Determining the efficacy of a new vaccine plan for influenza.
Benefits of research design
T here are numerous benefits of research design . These are as follows:
- Clear direction: Among the benefits of research design , the main one is providing direction to the research and guiding the choice of clear objectives, which help the researcher to focus on the specific research questions or hypotheses they want to investigate.
- Control: Through a proper research design , researchers can control variables, identify potential confounding factors, and use randomization to minimize bias and increase the reliability of their findings.
- Replication: Research designs provide the opportunity for replication. This helps to confirm the findings of a study and ensures that the results are not due to chance or other factors. Thus, a well-chosen research design also eliminates bias and errors.
- Validity: A research design ensures the validity of the research, i.e., whether the results truly reflect the phenomenon being investigated.
- Reliability: Benefits of research design also include reducing inaccuracies and ensuring the reliability of the research (i.e., consistency of the research results over time, across different samples, and under different conditions).
- Efficiency: A strong research design helps increase the efficiency of the research process. Researchers can use a variety of designs to investigate their research questions, choose the most appropriate research design for their study, and use statistical analysis to make the most of their data. By effectively describing the data necessary for an adequate test of the hypotheses and explaining how such data will be obtained, research design saves a researcher’s time.
Overall, an appropriately chosen and executed research design helps researchers to conduct high-quality research, draw meaningful conclusions, and contribute to the advancement of knowledge in their field.
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Frequently Asked Questions (FAQ) on Research Design
Q: What are th e main types of research design?
Broadly speaking there are two basic types of research design –
qualitative and quantitative research. Qualitative research is subjective and exploratory; it determines relationships between collected data and observations. It is usually carried out through interviews with open-ended questions, observations that are described in words, etc. Quantitative research , on the other hand, is more objective and employs statistical approaches. It establishes the cause-and-effect relationship among variables using different statistical and computational methods. This type of research design is usually done using surveys and experiments.
Q: How do I choose the appropriate research design for my study?
Choosing the appropriate research design for your study requires careful consideration of various factors. Start by clarifying your research objectives and the type of data you need to collect. Determine whether your study is exploratory, descriptive, or experimental in nature. Consider the availability of resources, time constraints, and the feasibility of implementing the different research designs. Review existing literature to identify similar studies and their research designs, which can serve as a guide. Ultimately, the chosen research design should align with your research questions, provide the necessary data to answer them, and be feasible given your own specific requirements/constraints.
Q: Can research design be modified during the course of a study?
Yes, research design can be modified during the course of a study based on emerging insights, practical constraints, or unforeseen circumstances. Research is an iterative process and, as new data is collected and analyzed, it may become necessary to adjust or refine the research design. However, any modifications should be made judiciously and with careful consideration of their impact on the study’s integrity and validity. It is advisable to document any changes made to the research design, along with a clear rationale for the modifications, in order to maintain transparency and allow for proper interpretation of the results.
Q: How can I ensure the validity and reliability of my research design?
Validity refers to the accuracy and meaningfulness of your study’s findings, while reliability relates to the consistency and stability of the measurements or observations. To enhance validity, carefully define your research variables, use established measurement scales or protocols, and collect data through appropriate methods. Consider conducting a pilot study to identify and address any potential issues before full implementation. To enhance reliability, use standardized procedures, conduct inter-rater or test-retest reliability checks, and employ appropriate statistical techniques for data analysis. It is also essential to document and report your methodology clearly, allowing for replication and scrutiny by other researchers.
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The Four Types of Research Design — Everything You Need to Know
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Updated: July 23, 2024
Published: January 18, 2023
When you conduct research, you need to have a clear idea of what you want to achieve and how to accomplish it. A good research design enables you to collect accurate and reliable data to draw valid conclusions.
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In this blog post, we'll outline the key features of the four common types of research design with real-life examples from UnderArmor, Carmex, and more. Then, you can easily choose the right approach for your project.
Table of Contents
What is research design?
The four types of research design, research design examples.
Research design is the process of planning and executing a study to answer specific questions. This process allows you to test hypotheses in the business or scientific fields.
Research design involves choosing the right methodology, selecting the most appropriate data collection methods, and devising a plan (or framework) for analyzing the data. In short, a good research design helps us to structure our research.
Marketers use different types of research design when conducting research .
There are four common types of research design — descriptive, correlational, experimental, and diagnostic designs. Let’s take a look at each in more detail.
Researchers use different designs to accomplish different research objectives. Here, we'll discuss how to choose the right type, the benefits of each, and use cases.
Research can also be classified as quantitative or qualitative at a higher level. Some experiments exhibit both qualitative and quantitative characteristics.
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Experimental
An experimental design is used when the researcher wants to examine how variables interact with each other. The researcher manipulates one variable (the independent variable) and observes the effect on another variable (the dependent variable).
In other words, the researcher wants to test a causal relationship between two or more variables.
In marketing, an example of experimental research would be comparing the effects of a television commercial versus an online advertisement conducted in a controlled environment (e.g. a lab). The objective of the research is to test which advertisement gets more attention among people of different age groups, gender, etc.
Another example is a study of the effect of music on productivity. A researcher assigns participants to one of two groups — those who listen to music while working and those who don't — and measure their productivity.
The main benefit of an experimental design is that it allows the researcher to draw causal relationships between variables.
One limitation: This research requires a great deal of control over the environment and participants, making it difficult to replicate in the real world. In addition, it’s quite costly.
Best for: Testing a cause-and-effect relationship (i.e., the effect of an independent variable on a dependent variable).
Correlational
A correlational design examines the relationship between two or more variables without intervening in the process.
Correlational design allows the analyst to observe natural relationships between variables. This results in data being more reflective of real-world situations.
For example, marketers can use correlational design to examine the relationship between brand loyalty and customer satisfaction. In particular, the researcher would look for patterns or trends in the data to see if there is a relationship between these two entities.
Similarly, you can study the relationship between physical activity and mental health. The analyst here would ask participants to complete surveys about their physical activity levels and mental health status. Data would show how the two variables are related.
Best for: Understanding the extent to which two or more variables are associated with each other in the real world.
Descriptive
Descriptive research refers to a systematic process of observing and describing what a subject does without influencing them.
Methods include surveys, interviews, case studies, and observations. Descriptive research aims to gather an in-depth understanding of a phenomenon and answers when/what/where.
SaaS companies use descriptive design to understand how customers interact with specific features. Findings can be used to spot patterns and roadblocks.
For instance, product managers can use screen recordings by Hotjar to observe in-app user behavior. This way, the team can precisely understand what is happening at a certain stage of the user journey and act accordingly.
Brand24, a social listening tool, tripled its sign-up conversion rate from 2.56% to 7.42%, thanks to locating friction points in the sign-up form through screen recordings.
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Carma Laboratories worked with research company MMR to measure customers’ reactions to the lip-care company’s packaging and product . The goal was to find the cause of low sales for a recently launched line extension in Europe.
The team moderated a live, online focus group. Participants were shown w product samples, while AI and NLP natural language processing identified key themes in customer feedback.
This helped uncover key reasons for poor performance and guided changes in packaging.
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What Is a Research Design? | Definition, Types & Guide
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Introduction
Parts of a research design, types of research methodology in qualitative research, narrative research designs, phenomenological research designs, grounded theory research designs.
- Ethnographic research designs
Case study research design
Important reminders when designing a research study.
A research design in qualitative research is a critical framework that guides the methodological approach to studying complex social phenomena. Qualitative research designs determine how data is collected, analyzed, and interpreted, ensuring that the research captures participants' nuanced and subjective perspectives. Research designs also recognize ethical considerations and involve informed consent, ensuring confidentiality, and handling sensitive topics with the utmost respect and care. These considerations are crucial in qualitative research and other contexts where participants may share personal or sensitive information. A research design should convey coherence as it is essential for producing high-quality qualitative research, often following a recursive and evolving process.
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Theoretical concepts and research question
The first step in creating a research design is identifying the main theoretical concepts. To identify these concepts, a researcher should ask which theoretical keywords are implicit in the investigation. The next step is to develop a research question using these theoretical concepts. This can be done by identifying the relationship of interest among the concepts that catch the focus of the investigation. The question should address aspects of the topic that need more knowledge, shed light on new information, and specify which aspects should be prioritized before others. This step is essential in identifying which participants to include or which data collection methods to use. Research questions also put into practice the conceptual framework and make the initial theoretical concepts more explicit. Once the research question has been established, the main objectives of the research can be specified. For example, these objectives may involve identifying shared experiences around a phenomenon or evaluating perceptions of a new treatment.
Methodology
After identifying the theoretical concepts, research question, and objectives, the next step is to determine the methodology that will be implemented. This is the lifeline of a research design and should be coherent with the objectives and questions of the study. The methodology will determine how data is collected, analyzed, and presented. Popular qualitative research methodologies include case studies, ethnography , grounded theory , phenomenology, and narrative research . Each methodology is tailored to specific research questions and facilitates the collection of rich, detailed data. For example, a narrative approach may focus on only one individual and their story, while phenomenology seeks to understand participants' lived common experiences. Qualitative research designs differ significantly from quantitative research, which often involves experimental research, correlational designs, or variance analysis to test hypotheses about relationships between two variables, a dependent variable and an independent variable while controlling for confounding variables.
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Literature review
After the methodology is identified, conducting a thorough literature review is integral to the research design. This review identifies gaps in knowledge, positioning the new study within the larger academic dialogue and underlining its contribution and relevance. Meta-analysis, a form of secondary research, can be particularly useful in synthesizing findings from multiple studies to provide a clear picture of the research landscape.
Data collection
The sampling method in qualitative research is designed to delve deeply into specific phenomena rather than to generalize findings across a broader population. The data collection methods—whether interviews, focus groups, observations, or document analysis—should align with the chosen methodology, ethical considerations, and other factors such as sample size. In some cases, repeated measures may be collected to observe changes over time.
Data analysis
Analysis in qualitative research typically involves methods such as coding and thematic analysis to distill patterns from the collected data. This process delineates how the research results will be systematically derived from the data. It is recommended that the researcher ensures that the final interpretations are coherent with the observations and analyses, making clear connections between the data and the conclusions drawn. Reporting should be narrative-rich, offering a comprehensive view of the context and findings.
Overall, a coherent qualitative research design that incorporates these elements facilitates a study that not only adds theoretical and practical value to the field but also adheres to high quality. This methodological thoroughness is essential for achieving significant, insightful findings. Examples of well-executed research designs can be valuable references for other researchers conducting qualitative or quantitative investigations. An effective research design is critical for producing robust and impactful research outcomes.
Each qualitative research design is unique, diverse, and meticulously tailored to answer specific research questions, meet distinct objectives, and explore the unique nature of the phenomenon under investigation. The methodology is the wider framework that a research design follows. Each methodology in a research design consists of methods, tools, or techniques that compile data and analyze it following a specific approach.
The methods enable researchers to collect data effectively across individuals, different groups, or observations, ensuring they are aligned with the research design. The following list includes the most commonly used methodologies employed in qualitative research designs, highlighting how they serve different purposes and utilize distinct methods to gather and analyze data.
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The narrative approach in research focuses on the collection and detailed examination of life stories, personal experiences, or narratives to gain insights into individuals' lives as told from their perspectives. It involves constructing a cohesive story out of the diverse experiences shared by participants, often using chronological accounts. It seeks to understand human experience and social phenomena through the form and content of the stories. These can include spontaneous narrations such as memoirs or diaries from participants or diaries solicited by the researcher. Narration helps construct the identity of an individual or a group and can rationalize, persuade, argue, entertain, confront, or make sense of an event or tragedy. To conduct a narrative investigation, it is recommended that researchers follow these steps:
Identify if the research question fits the narrative approach. Its methods are best employed when a researcher wants to learn about the lifestyle and life experience of a single participant or a small number of individuals.
Select the best-suited participants for the research design and spend time compiling their stories using different methods such as observations, diaries, interviewing their family members, or compiling related secondary sources.
Compile the information related to the stories. Narrative researchers collect data based on participants' stories concerning their personal experiences, for example about their workplace or homes, their racial or ethnic culture, and the historical context in which the stories occur.
Analyze the participant stories and "restore" them within a coherent framework. This involves collecting the stories, analyzing them based on key elements such as time, place, plot, and scene, and then rewriting them in a chronological sequence (Ollerenshaw & Creswell, 2000). The framework may also include elements such as a predicament, conflict, or struggle; a protagonist; and a sequence with implicit causality, where the predicament is somehow resolved (Carter, 1993).
Collaborate with participants by actively involving them in the research. Both the researcher and the participant negotiate the meaning of their stories, adding a credibility check to the analysis (Creswell & Miller, 2000).
A narrative investigation includes collecting a large amount of data from the participants and the researcher needs to understand the context of the individual's life. A keen eye is needed to collect particular stories that capture the individual experiences. Active collaboration with the participant is necessary, and researchers need to discuss and reflect on their own beliefs and backgrounds. Multiple questions could arise in the collection, analysis, and storytelling of individual stories that need to be addressed, such as: Whose story is it? Who can tell it? Who can change it? Which version is compelling? What happens when narratives compete? In a community, what do the stories do among them? (Pinnegar & Daynes, 2006).
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A research design based on phenomenology aims to understand the essence of the lived experiences of a group of people regarding a particular concept or phenomenon. Researchers gather deep insights from individuals who have experienced the phenomenon, striving to describe "what" they experienced and "how" they experienced it. This approach to a research design typically involves detailed interviews and aims to reach a deep existential understanding. The purpose is to reduce individual experiences to a description of the universal essence or understanding the phenomenon's nature (van Manen, 1990). In phenomenology, the following steps are usually followed:
Identify a phenomenon of interest . For example, the phenomenon might be anger, professionalism in the workplace, or what it means to be a fighter.
Recognize and specify the philosophical assumptions of phenomenology , for example, one could reflect on the nature of objective reality and individual experiences.
Collect data from individuals who have experienced the phenomenon . This typically involves conducting in-depth interviews, including multiple sessions with each participant. Additionally, other forms of data may be collected using several methods, such as observations, diaries, art, poetry, music, recorded conversations, written responses, or other secondary sources.
Ask participants two general questions that encompass the phenomenon and how the participant experienced it (Moustakas, 1994). For example, what have you experienced in this phenomenon? And what contexts or situations have typically influenced your experiences within the phenomenon? Other open-ended questions may also be asked, but these two questions particularly focus on collecting research data that will lead to a textural description and a structural description of the experiences, and ultimately provide an understanding of the common experiences of the participants.
Review data from the questions posed to participants . It is recommended that researchers review the answers and highlight "significant statements," phrases, or quotes that explain how participants experienced the phenomenon. The researcher can then develop meaningful clusters from these significant statements into patterns or key elements shared across participants.
Write a textual description of what the participants experienced based on the answers and themes of the two main questions. The answers are also used to write about the characteristics and describe the context that influenced the way the participants experienced the phenomenon, called imaginative variation or structural description. Researchers should also write about their own experiences and context or situations that influenced them.
Write a composite description from the structural and textural description that presents the "essence" of the phenomenon, called the essential and invariant structure.
A phenomenological approach to a research design includes the strict and careful selection of participants in the study where bracketing personal experiences can be difficult to implement. The researcher decides how and in which way their knowledge will be introduced. It also involves some understanding and identification of the broader philosophical assumptions.
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Grounded theory is used in a research design when the goal is to inductively develop a theory "grounded" in data that has been systematically gathered and analyzed. Starting from the data collection, researchers identify characteristics, patterns, themes, and relationships, gradually forming a theoretical framework that explains relevant processes, actions, or interactions grounded in the observed reality. A grounded theory study goes beyond descriptions and its objective is to generate a theory, an abstract analytical scheme of a process. Developing a theory doesn't come "out of nothing" but it is constructed and based on clear data collection. We suggest the following steps to follow a grounded theory approach in a research design:
Determine if grounded theory is the best for your research problem . Grounded theory is a good design when a theory is not already available to explain a process.
Develop questions that aim to understand how individuals experienced or enacted the process (e.g., What was the process? How did it unfold?). Data collection and analysis occur in tandem, so that researchers can ask more detailed questions that shape further analysis, such as: What was the focal point of the process (central phenomenon)? What influenced or caused this phenomenon to occur (causal conditions)? What strategies were employed during the process? What effect did it have (consequences)?
Gather relevant data about the topic in question . Data gathering involves questions that are usually asked in interviews, although other forms of data can also be collected, such as observations, documents, and audio-visual materials from different groups.
Carry out the analysis in stages . Grounded theory analysis begins with open coding, where the researcher forms codes that inductively emerge from the data (rather than preconceived categories). Researchers can thus identify specific properties and dimensions relevant to their research question.
Assemble the data in new ways and proceed to axial coding . Axial coding involves using a coding paradigm or logic diagram, such as a visual model, to systematically analyze the data. Begin by identifying a central phenomenon, which is the main category or focus of the research problem. Next, explore the causal conditions, which are the categories of factors that influence the phenomenon. Specify the strategies, which are the actions or interactions associated with the phenomenon. Then, identify the context and intervening conditions—both narrow and broad factors that affect the strategies. Finally, delineate the consequences, which are the outcomes or results of employing the strategies.
Use selective coding to construct a "storyline" that links the categories together. Alternatively, the researcher may formulate propositions or theory-driven questions that specify predicted relationships among these categories.
Develop and visually present a matrix that clarifies the social, historical, and economic conditions influencing the central phenomenon. This optional step encourages viewing the model from the narrowest to the broadest perspective.
Write a substantive-level theory that is closely related to a specific problem or population. This step is optional but provides a focused theoretical framework that can later be tested with quantitative data to explore its generalizability to a broader sample.
Allow theory to emerge through the memo-writing process, where ideas about the theory evolve continuously throughout the stages of open, axial, and selective coding.
The researcher should initially set aside any preconceived theoretical ideas to allow for the emergence of analytical and substantive theories. This is a systematic research approach, particularly when following the methodological steps outlined by Strauss and Corbin (1990). For those seeking more flexibility in their research process, the approach suggested by Charmaz (2006) might be preferable.
One of the challenges when using this method in a research design is determining when categories are sufficiently saturated and when the theory is detailed enough. To achieve saturation, discriminant sampling may be employed, where additional information is gathered from individuals similar to those initially interviewed to verify the applicability of the theory to these new participants. Ultimately, its goal is to develop a theory that comprehensively describes the central phenomenon, causal conditions, strategies, context, and consequences.
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Ethnographic research design
An ethnographic approach in research design involves the extended observation and data collection of a group or community. The researcher immerses themselves in the setting, often living within the community for long periods. During this time, they collect data by observing and recording behaviours, conversations, and rituals to understand the group's social dynamics and cultural norms. We suggest following these steps for ethnographic methods in a research design:
Assess whether ethnography is the best approach for the research design and questions. It's suitable if the goal is to describe how a cultural group functions and to delve into their beliefs, language, behaviours, and issues like power, resistance, and domination, particularly if there is limited literature due to the group’s marginal status or unfamiliarity to mainstream society.
Identify and select a cultural group for your research design. Choose one that has a long history together, forming distinct languages, behaviours, and attitudes. This group often might be marginalized within society.
Choose cultural themes or issues to examine within the group. Analyze interactions in everyday settings to identify pervasive patterns such as life cycles, events, and overarching cultural themes. Culture is inferred from the group members' words, actions, and the tension between their actual and expected behaviours, as well as the artifacts they use.
Conduct fieldwork to gather detailed information about the group’s living and working environments. Visit the site, respect the daily lives of the members, and collect a diverse range of materials, considering ethical aspects such as respect and reciprocity.
Compile and analyze cultural data to develop a set of descriptive and thematic insights. Begin with a detailed description of the group based on observations of specific events or activities over time. Then, conduct a thematic analysis to identify patterns or themes that illustrate how the group functions and lives. The final output should be a comprehensive cultural portrait that integrates both the participants (emic) and the researcher’s (etic) perspectives, potentially advocating for the group’s needs or suggesting societal changes to better accommodate them.
Researchers engaging in ethnography need a solid understanding of cultural anthropology and the dynamics of sociocultural systems, which are commonly explored in ethnographic research. The data collection phase is notably extensive, requiring prolonged periods in the field. Ethnographers often employ a literary, quasi-narrative style in their narratives, which can pose challenges for those accustomed to more conventional social science writing methods.
Another potential issue is the risk of researchers "going native," where they become overly assimilated into the community under study, potentially jeopardizing the objectivity and completion of their research. It's crucial for researchers to be aware of their impact on the communities and environments they are studying.
The case study approach in a research design focuses on a detailed examination of a single case or a small number of cases. Cases can be individuals, groups, organizations, or events. Case studies are particularly useful for research designs that aim to understand complex issues in real-life contexts. The aim is to provide a thorough description and contextual analysis of the cases under investigation. We suggest following these steps in a case study design:
Assess if a case study approach suits your research questions . This approach works well when you have distinct cases with defined boundaries and aim to deeply understand these cases or compare multiple cases.
Choose your case or cases. These could involve individuals, groups, programs, events, or activities. Decide whether an individual or collective, multi-site or single-site case study is most appropriate, focusing on specific cases or themes (Stake, 1995; Yin, 2003).
Gather data extensively from diverse sources . Collect information through archival records, interviews, direct and participant observations, and physical artifacts (Yin, 2003).
Analyze the data holistically or in focused segments . Provide a comprehensive overview of the entire case or concentrate on specific aspects. Start with a detailed description including the history of the case and its chronological events then narrow down to key themes. The aim is to delve into the case's complexity rather than generalize findings.
Interpret and report the significance of the case in the final phase . Explain what insights were gained, whether about the subject of the case in an instrumental study or an unusual situation in an intrinsic study (Lincoln & Guba, 1985).
The investigator must carefully select the case or cases to study, recognizing that multiple potential cases could illustrate a chosen topic or issue. This selection process involves deciding whether to focus on a single case for deeper analysis or multiple cases, which may provide broader insights but less depth per case. Each choice requires a well-justified rationale for the selected cases. Researchers face the challenge of defining the boundaries of a case, such as its temporal scope and the events and processes involved. This decision in a research design is crucial as it affects the depth and value of the information presented in the study, and therefore should be planned to ensure a comprehensive portrayal of the case.
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Qualitative and quantitative research designs are distinct in their approach to data collection and data analysis. Unlike quantitative research, which focuses on numerical data and statistical analysis, qualitative research prioritizes understanding the depth and richness of human experiences, behaviours, and interactions.
Qualitative methods in a research design have to have internal coherence, meaning that all elements of the research project—research question, data collection, data analysis, findings, and theory—are well-aligned and consistent with each other. This coherence in the research study is especially crucial in inductive qualitative research, where the research process often follows a recursive and evolving path. Ensuring that each component of the research design fits seamlessly with the others enhances the clarity and impact of the study, making the research findings more robust and compelling. Whether it is a descriptive research design, explanatory research design, diagnostic research design, or correlational research design coherence is an important element in both qualitative and quantitative research.
Finally, a good research design ensures that the research is conducted ethically and considers the well-being and rights of participants when managing collected data. The research design guides researchers in providing a clear rationale for their methodologies, which is crucial for justifying the research objectives to the scientific community. A thorough research design also contributes to the body of knowledge, enabling researchers to build upon past research studies and explore new dimensions within their fields. At the core of the design, there is a clear articulation of the research objectives. These objectives should be aligned with the underlying concepts being investigated, offering a concise method to answer the research questions and guiding the direction of the study with proper qualitative methods.
Carter, K. (1993). The place of a story in the study of teaching and teacher education. Educational Researcher, 22(1), 5-12, 18.
Charmaz, K. (2006). Constructing grounded theory. London: Sage.
Creswell, J. W., & Miller, D. L. (2000). Determining validity in qualitative inquiry. Theory Into Practice, 39(3), 124-130.
Lincoln, Y. S., & Guba, E. G. (1985). Naturalistic inquiry. Newbury Park, CA: Sage.
Moustakas, C. (1994). Phenomenological research methods. Thousand Oaks, CA: Sage.
Ollerenshaw, J. A., & Creswell, J. W. (2000, April). Data analysis in narrative research: A comparison of two “restoring” approaches. Paper presented at the annual meeting of the American Educational Research Association, New Orleans, LA.
Stake, R. E. (1995). The art of case study research. Thousand Oaks, CA: Sage.
Strauss, A., & Corbin, J. (1990). Basics of qualitative research: Grounded theory procedures and techniques. Newbury Park, CA: Sage.
van Manen, M. (1990). Researching lived experience: Human science for an action sensitive pedagogy. Ontario, Canada: University of Western Ontario.
Yin, R. K. (2003). Case study research: Design and methods (3rd ed.). Thousand Oaks, CA: Sage
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FAQ: Research Design & Method
What is the difference between Research Design and Research Method?
Research design is a plan to answer your research question. A research method is a strategy used to implement that plan. Research design and methods are different but closely related, because good research design ensures that the data you obtain will help you answer your research question more effectively.
Which research method should I choose ?
It depends on your research goal. It depends on what subjects (and who) you want to study. Let's say you are interested in studying what makes people happy, or why some students are more conscious about recycling on campus. To answer these questions, you need to make a decision about how to collect your data. Most frequently used methods include:
- Observation / Participant Observation
- Focus Groups
- Experiments
- Secondary Data Analysis / Archival Study
- Mixed Methods (combination of some of the above)
One particular method could be better suited to your research goal than others, because the data you collect from different methods will be different in quality and quantity. For instance, surveys are usually designed to produce relatively short answers, rather than the extensive responses expected in qualitative interviews.
What other factors should I consider when choosing one method over another?
Time for data collection and analysis is something you want to consider. An observation or interview method, so-called qualitative approach, helps you collect richer information, but it takes time. Using a survey helps you collect more data quickly, yet it may lack details. So, you will need to consider the time you have for research and the balance between strengths and weaknesses associated with each method (e.g., qualitative vs. quantitative).
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- Guide to Experimental Design | Overview, Steps, & Examples
Guide to Experimental Design | Overview, 5 steps & Examples
Published on December 3, 2019 by Rebecca Bevans . Revised on June 21, 2023.
Experiments are used to study causal relationships . You manipulate one or more independent variables and measure their effect on one or more dependent variables.
Experimental design create a set of procedures to systematically test a hypothesis . A good experimental design requires a strong understanding of the system you are studying.
There are five key steps in designing an experiment:
- Consider your variables and how they are related
- Write a specific, testable hypothesis
- Design experimental treatments to manipulate your independent variable
- Assign subjects to groups, either between-subjects or within-subjects
- Plan how you will measure your dependent variable
For valid conclusions, you also need to select a representative sample and control any extraneous variables that might influence your results. If random assignment of participants to control and treatment groups is impossible, unethical, or highly difficult, consider an observational study instead. This minimizes several types of research bias, particularly sampling bias , survivorship bias , and attrition bias as time passes.
Table of contents
Step 1: define your variables, step 2: write your hypothesis, step 3: design your experimental treatments, step 4: assign your subjects to treatment groups, step 5: measure your dependent variable, other interesting articles, frequently asked questions about experiments.
You should begin with a specific research question . We will work with two research question examples, one from health sciences and one from ecology:
To translate your research question into an experimental hypothesis, you need to define the main variables and make predictions about how they are related.
Start by simply listing the independent and dependent variables .
Research question | Independent variable | Dependent variable |
---|---|---|
Phone use and sleep | Minutes of phone use before sleep | Hours of sleep per night |
Temperature and soil respiration | Air temperature just above the soil surface | CO2 respired from soil |
Then you need to think about possible extraneous and confounding variables and consider how you might control them in your experiment.
Extraneous variable | How to control | |
---|---|---|
Phone use and sleep | in sleep patterns among individuals. | measure the average difference between sleep with phone use and sleep without phone use rather than the average amount of sleep per treatment group. |
Temperature and soil respiration | also affects respiration, and moisture can decrease with increasing temperature. | monitor soil moisture and add water to make sure that soil moisture is consistent across all treatment plots. |
Finally, you can put these variables together into a diagram. Use arrows to show the possible relationships between variables and include signs to show the expected direction of the relationships.
![what to include in research design Diagram of the relationship between variables in a sleep experiment](https://www.scribbr.com/wp-content/uploads/2022/09/Experimental-Design-Scribbr_02.webp)
Here we predict that increasing temperature will increase soil respiration and decrease soil moisture, while decreasing soil moisture will lead to decreased soil respiration.
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Now that you have a strong conceptual understanding of the system you are studying, you should be able to write a specific, testable hypothesis that addresses your research question.
Null hypothesis (H ) | Alternate hypothesis (H ) | |
---|---|---|
Phone use and sleep | Phone use before sleep does not correlate with the amount of sleep a person gets. | Increasing phone use before sleep leads to a decrease in sleep. |
Temperature and soil respiration | Air temperature does not correlate with soil respiration. | Increased air temperature leads to increased soil respiration. |
The next steps will describe how to design a controlled experiment . In a controlled experiment, you must be able to:
- Systematically and precisely manipulate the independent variable(s).
- Precisely measure the dependent variable(s).
- Control any potential confounding variables.
If your study system doesn’t match these criteria, there are other types of research you can use to answer your research question.
How you manipulate the independent variable can affect the experiment’s external validity – that is, the extent to which the results can be generalized and applied to the broader world.
First, you may need to decide how widely to vary your independent variable.
- just slightly above the natural range for your study region.
- over a wider range of temperatures to mimic future warming.
- over an extreme range that is beyond any possible natural variation.
Second, you may need to choose how finely to vary your independent variable. Sometimes this choice is made for you by your experimental system, but often you will need to decide, and this will affect how much you can infer from your results.
- a categorical variable : either as binary (yes/no) or as levels of a factor (no phone use, low phone use, high phone use).
- a continuous variable (minutes of phone use measured every night).
How you apply your experimental treatments to your test subjects is crucial for obtaining valid and reliable results.
First, you need to consider the study size : how many individuals will be included in the experiment? In general, the more subjects you include, the greater your experiment’s statistical power , which determines how much confidence you can have in your results.
Then you need to randomly assign your subjects to treatment groups . Each group receives a different level of the treatment (e.g. no phone use, low phone use, high phone use).
You should also include a control group , which receives no treatment. The control group tells us what would have happened to your test subjects without any experimental intervention.
When assigning your subjects to groups, there are two main choices you need to make:
- A completely randomized design vs a randomized block design .
- A between-subjects design vs a within-subjects design .
Randomization
An experiment can be completely randomized or randomized within blocks (aka strata):
- In a completely randomized design , every subject is assigned to a treatment group at random.
- In a randomized block design (aka stratified random design), subjects are first grouped according to a characteristic they share, and then randomly assigned to treatments within those groups.
Completely randomized design | Randomized block design | |
---|---|---|
Phone use and sleep | Subjects are all randomly assigned a level of phone use using a random number generator. | Subjects are first grouped by age, and then phone use treatments are randomly assigned within these groups. |
Temperature and soil respiration | Warming treatments are assigned to soil plots at random by using a number generator to generate map coordinates within the study area. | Soils are first grouped by average rainfall, and then treatment plots are randomly assigned within these groups. |
Sometimes randomization isn’t practical or ethical , so researchers create partially-random or even non-random designs. An experimental design where treatments aren’t randomly assigned is called a quasi-experimental design .
Between-subjects vs. within-subjects
In a between-subjects design (also known as an independent measures design or classic ANOVA design), individuals receive only one of the possible levels of an experimental treatment.
In medical or social research, you might also use matched pairs within your between-subjects design to make sure that each treatment group contains the same variety of test subjects in the same proportions.
In a within-subjects design (also known as a repeated measures design), every individual receives each of the experimental treatments consecutively, and their responses to each treatment are measured.
Within-subjects or repeated measures can also refer to an experimental design where an effect emerges over time, and individual responses are measured over time in order to measure this effect as it emerges.
Counterbalancing (randomizing or reversing the order of treatments among subjects) is often used in within-subjects designs to ensure that the order of treatment application doesn’t influence the results of the experiment.
Between-subjects (independent measures) design | Within-subjects (repeated measures) design | |
---|---|---|
Phone use and sleep | Subjects are randomly assigned a level of phone use (none, low, or high) and follow that level of phone use throughout the experiment. | Subjects are assigned consecutively to zero, low, and high levels of phone use throughout the experiment, and the order in which they follow these treatments is randomized. |
Temperature and soil respiration | Warming treatments are assigned to soil plots at random and the soils are kept at this temperature throughout the experiment. | Every plot receives each warming treatment (1, 3, 5, 8, and 10C above ambient temperatures) consecutively over the course of the experiment, and the order in which they receive these treatments is randomized. |
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Finally, you need to decide how you’ll collect data on your dependent variable outcomes. You should aim for reliable and valid measurements that minimize research bias or error.
Some variables, like temperature, can be objectively measured with scientific instruments. Others may need to be operationalized to turn them into measurable observations.
- Ask participants to record what time they go to sleep and get up each day.
- Ask participants to wear a sleep tracker.
How precisely you measure your dependent variable also affects the kinds of statistical analysis you can use on your data.
Experiments are always context-dependent, and a good experimental design will take into account all of the unique considerations of your study system to produce information that is both valid and relevant to your research question.
If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.
- Student’s t -distribution
- Normal distribution
- Null and Alternative Hypotheses
- Chi square tests
- Confidence interval
- Cluster sampling
- Stratified sampling
- Data cleansing
- Reproducibility vs Replicability
- Peer review
- Likert scale
Research bias
- Implicit bias
- Framing effect
- Cognitive bias
- Placebo effect
- Hawthorne effect
- Hindsight bias
- Affect heuristic
Experimental design means planning a set of procedures to investigate a relationship between variables . To design a controlled experiment, you need:
- A testable hypothesis
- At least one independent variable that can be precisely manipulated
- At least one dependent variable that can be precisely measured
When designing the experiment, you decide:
- How you will manipulate the variable(s)
- How you will control for any potential confounding variables
- How many subjects or samples will be included in the study
- How subjects will be assigned to treatment levels
Experimental design is essential to the internal and external validity of your experiment.
The key difference between observational studies and experimental designs is that a well-done observational study does not influence the responses of participants, while experiments do have some sort of treatment condition applied to at least some participants by random assignment .
A confounding variable , also called a confounder or confounding factor, is a third variable in a study examining a potential cause-and-effect relationship.
A confounding variable is related to both the supposed cause and the supposed effect of the study. It can be difficult to separate the true effect of the independent variable from the effect of the confounding variable.
In your research design , it’s important to identify potential confounding variables and plan how you will reduce their impact.
In a between-subjects design , every participant experiences only one condition, and researchers assess group differences between participants in various conditions.
In a within-subjects design , each participant experiences all conditions, and researchers test the same participants repeatedly for differences between conditions.
The word “between” means that you’re comparing different conditions between groups, while the word “within” means you’re comparing different conditions within the same group.
An experimental group, also known as a treatment group, receives the treatment whose effect researchers wish to study, whereas a control group does not. They should be identical in all other ways.
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Research Design: What it is, Elements & Types
![what to include in research design Research Design](https://www.questionpro.com/blog/wp-content/uploads/2018/08/Research-Design.jpg)
Can you imagine doing research without a plan? Probably not. When we discuss a strategy to collect, study, and evaluate data, we talk about research design. This design addresses problems and creates a consistent and logical model for data analysis. Let’s learn more about it.
What is Research Design?
Research design is the framework of research methods and techniques chosen by a researcher to conduct a study. The design allows researchers to sharpen the research methods suitable for the subject matter and set up their studies for success.
Creating a research topic explains the type of research (experimental, survey research , correlational , semi-experimental, review) and its sub-type (experimental design, research problem , descriptive case-study).
There are three main types of designs for research:
- Data collection
- Measurement
- Data Analysis
The research problem an organization faces will determine the design, not vice-versa. The design phase of a study determines which tools to use and how they are used.
The Process of Research Design
The research design process is a systematic and structured approach to conducting research. The process is essential to ensure that the study is valid, reliable, and produces meaningful results.
- Consider your aims and approaches: Determine the research questions and objectives, and identify the theoretical framework and methodology for the study.
- Choose a type of Research Design: Select the appropriate research design, such as experimental, correlational, survey, case study, or ethnographic, based on the research questions and objectives.
- Identify your population and sampling method: Determine the target population and sample size, and choose the sampling method, such as random , stratified random sampling , or convenience sampling.
- Choose your data collection methods: Decide on the data collection methods , such as surveys, interviews, observations, or experiments, and select the appropriate instruments or tools for collecting data.
- Plan your data collection procedures: Develop a plan for data collection, including the timeframe, location, and personnel involved, and ensure ethical considerations.
- Decide on your data analysis strategies: Select the appropriate data analysis techniques, such as statistical analysis , content analysis, or discourse analysis, and plan how to interpret the results.
The process of research design is a critical step in conducting research. By following the steps of research design, researchers can ensure that their study is well-planned, ethical, and rigorous.
Research Design Elements
Impactful research usually creates a minimum bias in data and increases trust in the accuracy of collected data. A design that produces the slightest margin of error in experimental research is generally considered the desired outcome. The essential elements are:
- Accurate purpose statement
- Techniques to be implemented for collecting and analyzing research
- The method applied for analyzing collected details
- Type of research methodology
- Probable objections to research
- Settings for the research study
- Measurement of analysis
Characteristics of Research Design
A proper design sets your study up for success. Successful research studies provide insights that are accurate and unbiased. You’ll need to create a survey that meets all of the main characteristics of a design. There are four key characteristics:
![what to include in research design Characteristics of Research Design](https://www.questionpro.com/blog/wp-content/uploads/2018/08/characteristic-of-research-design-copia-min.jpg)
- Neutrality: When you set up your study, you may have to make assumptions about the data you expect to collect. The results projected in the research should be free from research bias and neutral. Understand opinions about the final evaluated scores and conclusions from multiple individuals and consider those who agree with the results.
- Reliability: With regularly conducted research, the researcher expects similar results every time. You’ll only be able to reach the desired results if your design is reliable. Your plan should indicate how to form research questions to ensure the standard of results.
- Validity: There are multiple measuring tools available. However, the only correct measuring tools are those which help a researcher in gauging results according to the objective of the research. The questionnaire developed from this design will then be valid.
- Generalization: The outcome of your design should apply to a population and not just a restricted sample . A generalized method implies that your survey can be conducted on any part of a population with similar accuracy.
The above factors affect how respondents answer the research questions, so they should balance all the above characteristics in a good design. If you want, you can also learn about Selection Bias through our blog.
Research Design Types
A researcher must clearly understand the various types to select which model to implement for a study. Like the research itself, the design of your analysis can be broadly classified into quantitative and qualitative.
Qualitative research
Qualitative research determines relationships between collected data and observations based on mathematical calculations. Statistical methods can prove or disprove theories related to a naturally existing phenomenon. Researchers rely on qualitative observation research methods that conclude “why” a particular theory exists and “what” respondents have to say about it.
Quantitative research
Quantitative research is for cases where statistical conclusions to collect actionable insights are essential. Numbers provide a better perspective for making critical business decisions. Quantitative research methods are necessary for the growth of any organization. Insights drawn from complex numerical data and analysis prove to be highly effective when making decisions about the business’s future.
Qualitative Research vs Quantitative Research
Here is a chart that highlights the major differences between qualitative and quantitative research:
Qualitative Research | Quantitative Research |
---|---|
Focus on explaining and understanding experiences and perspectives. | Focus on quantifying and measuring phenomena. |
Use of non-numerical data, such as words, images, and observations. | Use of numerical data, such as statistics and surveys. |
Usually uses small sample sizes. | Usually uses larger sample sizes. |
Typically emphasizes in-depth exploration and interpretation. | Typically emphasizes precision and objectivity. |
Data analysis involves interpretation and narrative analysis. | Data analysis involves statistical analysis and hypothesis testing. |
Results are presented descriptively. | Results are presented numerically and statistically. |
In summary or analysis , the step of qualitative research is more exploratory and focuses on understanding the subjective experiences of individuals, while quantitative research is more focused on objective data and statistical analysis.
You can further break down the types of research design into five categories:
![what to include in research design types of research design](https://www.questionpro.com/blog/wp-content/uploads/2018/08/types-of-research-design.jpg)
1. Descriptive: In a descriptive composition, a researcher is solely interested in describing the situation or case under their research study. It is a theory-based design method created by gathering, analyzing, and presenting collected data. This allows a researcher to provide insights into the why and how of research. Descriptive design helps others better understand the need for the research. If the problem statement is not clear, you can conduct exploratory research.
2. Experimental: Experimental research establishes a relationship between the cause and effect of a situation. It is a causal research design where one observes the impact caused by the independent variable on the dependent variable. For example, one monitors the influence of an independent variable such as a price on a dependent variable such as customer satisfaction or brand loyalty. It is an efficient research method as it contributes to solving a problem.
The independent variables are manipulated to monitor the change it has on the dependent variable. Social sciences often use it to observe human behavior by analyzing two groups. Researchers can have participants change their actions and study how the people around them react to understand social psychology better.
3. Correlational research: Correlational research is a non-experimental research technique. It helps researchers establish a relationship between two closely connected variables. There is no assumption while evaluating a relationship between two other variables, and statistical analysis techniques calculate the relationship between them. This type of research requires two different groups.
A correlation coefficient determines the correlation between two variables whose values range between -1 and +1. If the correlation coefficient is towards +1, it indicates a positive relationship between the variables, and -1 means a negative relationship between the two variables.
4. Diagnostic research: In diagnostic design, the researcher is looking to evaluate the underlying cause of a specific topic or phenomenon. This method helps one learn more about the factors that create troublesome situations.
This design has three parts of the research:
- Inception of the issue
- Diagnosis of the issue
- Solution for the issue
5. Explanatory research : Explanatory design uses a researcher’s ideas and thoughts on a subject to further explore their theories. The study explains unexplored aspects of a subject and details the research questions’ what, how, and why.
Benefits of Research Design
There are several benefits of having a well-designed research plan. Including:
- Clarity of research objectives: Research design provides a clear understanding of the research objectives and the desired outcomes.
- Increased validity and reliability: To ensure the validity and reliability of results, research design help to minimize the risk of bias and helps to control extraneous variables.
- Improved data collection: Research design helps to ensure that the proper data is collected and data is collected systematically and consistently.
- Better data analysis: Research design helps ensure that the collected data can be analyzed effectively, providing meaningful insights and conclusions.
- Improved communication: A well-designed research helps ensure the results are clean and influential within the research team and external stakeholders.
- Efficient use of resources: reducing the risk of waste and maximizing the impact of the research, research design helps to ensure that resources are used efficiently.
A well-designed research plan is essential for successful research, providing clear and meaningful insights and ensuring that resources are practical.
QuestionPro offers a comprehensive solution for researchers looking to conduct research. With its user-friendly interface, robust data collection and analysis tools, and the ability to integrate results from multiple sources, QuestionPro provides a versatile platform for designing and executing research projects.
Our robust suite of research tools provides you with all you need to derive research results. Our online survey platform includes custom point-and-click logic and advanced question types. Uncover the insights that matter the most.
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The Importance of Research Design: A Comprehensive Guide
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Research design plays a crucial role in conducting scientific studies and gaining meaningful insights. A well-designed research enhances the validity and reliability of the findings and allows for the replication of studies by other researchers. This comprehensive guide will provide an in-depth understanding of research design, its key components, different types, and its role in scientific inquiry. Furthermore, it will discuss the necessary steps in developing a research design and highlight some of the challenges that researchers commonly face.
Table of Contents
Understanding research design.
Research design refers to the overall plan or strategy that outlines how a study is conducted. It serves as a blueprint for researchers, guiding them in their investigation, and helps ensure that the study objectives are met. Understanding research design is essential for researchers to effectively gather and analyze data to answer research questions.
When embarking on a research study, researchers must carefully consider the design they will use. The design determines the structure of the study, including the research questions, data collection methods, and analysis techniques. It provides clarity on how the study will be conducted and helps researchers determine the best approach to achieve their research objectives. A well-designed study increases the chances of obtaining valid and reliable results.
Definition and Purpose of Research Design
Research design is the framework that outlines the structure of a study, including the research questions, data collection methods, and analysis techniques. It provides a systematic approach to conducting research and ensures that all aspects of the study are carefully planned and executed.
The purpose of research design is to provide a clear roadmap for researchers to follow. It helps them define the research questions they want to answer and identify the variables they will study. By clearly defining the purpose of the study, researchers can ensure that their research design aligns with their objectives.
Key Components of Research Design
A research design consists of several key components that influence the study’s validity and reliability. These components include the research questions, variables and operational definitions, sampling techniques, data collection methods, and statistical analysis procedures.
The research questions are the foundation of any study. They guide the entire research process and help researchers focus their efforts. By formulating clear and concise research questions, researchers can ensure that their study addresses the specific issues they want to investigate.
![what to include in research design what to include in research design](https://imotions.com/wp-content/uploads/2024/01/Research-design-Img-2-1024x615.jpeg)
Variables and operational definitions are also crucial components of research design. Variables are the concepts or phenomena that researchers want to measure or study. Operational definitions provide a clear and specific description of how these variables will be measured or observed. By clearly defining variables and their operational definitions, researchers can ensure that their study is consistent and replicable.
Sampling techniques play a vital role in research design as well. Researchers must carefully select the participants or samples they will study to ensure that their findings are generalizable to the larger population. Different sampling techniques, such as random sampling or purposive sampling, can be used depending on the research objectives and constraints.
Data collection methods are another important component of research design. Researchers must decide how they will collect data, whether through surveys, interviews, observations, or experiments. The choice of data collection method depends on the research questions and the type of data needed to answer them.
Finally, statistical analysis procedures are used to analyze the collected data and draw meaningful conclusions. Researchers must determine the appropriate statistical tests or techniques to use based on the nature of their data and research questions. The choice of statistical analysis procedures ensures that the data is analyzed accurately and that the results are valid and reliable.
Types of Research Design
Research design encompasses various types that researchers can choose depending on their research goals and the nature of the phenomenon being studied. Understanding the different types of research design is essential for researchers to select the most appropriate approach for their study.
When embarking on a research project, researchers must carefully consider the design they will employ. The design chosen will shape the entire study, from the data collection process to the analysis and interpretation of results. Let’s explore some of the most common types of research design in more detail.
Experimental Design
Experimental design involves manipulating one or more variables to observe their effect on the dependent variable. This type of design allows researchers to establish cause-and-effect relationships between variables by controlling for extraneous factors. Experimental design often relies on random assignment and control groups to minimize biases.
Imagine a group of researchers interested in studying the effects of a new teaching method on student performance. They could randomly assign students to two groups: one group would receive instruction using the new teaching method, while the other group would receive instruction using the traditional method. By comparing the performance of the two groups, the researchers can determine whether the new teaching method has a significant impact on student learning.
Experimental design provides a strong foundation for making causal claims, as it allows researchers to control for confounding variables and isolate the effects of the independent variable. However, it may not always be feasible or ethical to manipulate variables, leading researchers to explore alternative designs.
Free 44-page Experimental Design Guide
For Beginners and Intermediates
- Introduction to experimental methods
- Respondent management with groups and populations
- How to set up stimulus selection and arrangement
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Non-Experimental Design
Non-experimental design is used when it is not feasible or ethical to manipulate variables. This design relies on naturally occurring variations in data and focuses on observing and describing relationships between variables. Non-experimental design can be useful for exploratory research or when studying phenomena that cannot be controlled, such as human behavior.
For instance, researchers interested in studying the relationship between socioeconomic status and health outcomes may collect data from a large sample of individuals and analyze the existing differences. By examining the data, they can determine whether there is a correlation between socioeconomic status and health, without manipulating any variables.
Non-experimental design allows researchers to study real-world phenomena in their natural setting, providing valuable insights into complex social, psychological, and economic processes. However, it is important to note that non-experimental designs cannot establish causality, as there may be other variables at play that influence the observed relationships.
Quasi-Experimental Design
Quasi-experimental design resembles experimental design but lacks the element of random assignment. In situations where random assignment is not possible or practical, researchers can utilize quasi-experimental designs to gather data and make inferences. However, caution must be exercised when drawing causal conclusions from quasi-experimental studies.
Consider a scenario where researchers are interested in studying the effects of a new drug on patient recovery time. They cannot randomly assign patients to receive the drug or a placebo due to ethical considerations. Instead, they can compare the recovery times of patients who voluntarily choose to take the drug with those who do not. While this design allows for data collection and analysis, it is important to acknowledge that other factors, such as patient motivation or severity of illness, may influence the observed outcomes.
Quasi-experimental designs are valuable when experimental designs are not feasible or ethical. They provide an opportunity to explore relationships and gather data in real-world contexts. However, researchers must be cautious when interpreting the results, as causal claims may be limited due to the lack of random assignment.
By understanding the different types of research design, researchers can make informed decisions about the most appropriate approach for their study. Each design offers unique advantages and limitations, and the choice depends on the research question, available resources, and ethical considerations. Regardless of the design chosen, rigorous methodology and careful data analysis are crucial for producing reliable and valid research findings.
The Role of Research Design in Scientific Inquiry
A well-designed research study enhances the validity and reliability of the findings. Research design plays a crucial role in ensuring the scientific rigor of a study and facilitates the replication of studies by other researchers. Understanding the role of research design in scientific inquiry is vital for researchers to conduct impactful and robust research.
Ensuring Validity and Reliability
Research design plays a critical role in ensuring the validity and reliability of the study’s findings. Validity refers to the degree to which the study measures what it intends to measure, while reliability pertains to the consistency and stability of the results. Through careful consideration of the research design, researchers can minimize potential biases and increase the accuracy of their measurements.
Facilitating Replication of Studies
A robust research design allows for the replication of studies by other researchers. Replication plays a vital role in the scientific process as it helps confirm the validity and generalizability of research findings. By clearly documenting the research design, researchers enable others to reproduce the study and validate the results, thereby contributing to the cumulative knowledge in a field.
Steps in Developing a Research Design
Developing a research design involves a systematic process that includes several important steps. Researchers need to carefully consider each step to ensure that their study is well-designed and capable of addressing their research questions effectively.
Identifying Research Questions
The first step in developing a research design is to identify and define the research questions or hypotheses. Researchers need to clearly articulate what they aim to investigate and what specific information they want to gather. Clear research questions provide guidance for the subsequent steps in the research design process.
Selecting Appropriate Design Type
Once the research questions are identified, researchers need to select the most appropriate type of research design. The choice of design depends on various factors, including the research goals, the nature of the research questions, and the available resources. Careful consideration of these factors is crucial to ensure that the chosen design aligns with the study objectives.
Determining Data Collection Methods
After selecting the research design, researchers need to determine the most suitable data collection methods. Depending on the research questions and the type of data required, researchers can utilize a range of methods, such as surveys, interviews, observations, or experiments. The chosen methods should align with the research objectives and allow for the collection of high-quality data.
One of the most important considerations when designing a study in human behavior research is participant recruitment. We have written a comprehensive guide on best practices and pitfalls to be aware of when recruiting participants, which can be read here.
Enhancing Research Design with iMotions and Biosensors
Introduction to enhanced research design.
In the realm of scientific studies, especially within human cognitive-behavioral research, the deployment of advanced technologies such as iMotions software and biosensors has revolutionized research design. This chapter delves into how these technologies can be integrated into various research designs, improving the depth, accuracy, and reliability of scientific inquiries.
Integrating iMotions in Research Design
Imotions software: a key to multimodal data integration.
The iMotions platform stands as a pivotal tool in modern research design. It’s designed to integrate data from a plethora of biosensors, providing a comprehensive analysis of human behavior. This software facilitates the synchronizing of physiological, cognitive, and emotional responses with external stimuli, thus enriching the understanding of human behavior in various contexts.
Biosensors: Gateways to Deeper Insights
Biosensors, including eye trackers, EEG, GSR, ECG, and facial expression analysis tools, provide nuanced insights into the subconscious and conscious aspects of human behavior. These tools help researchers in capturing data that is often unattainable through traditional data collection methods like surveys and interviews.
Application in Different Research Designs
- Eye Tracking : In experimental designs, where the impact of visual stimuli is crucial, eye trackers can reveal how subjects interact with these stimuli, thereby offering insights into cognitive processes and attention.
- EEG : EEG biosensors allow researchers to monitor brain activity in response to controlled experimental manipulations, offering a window into cognitive and emotional responses.
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- Facial Expression Analysis : In observational studies, analyzing facial expressions can provide objective data on emotional responses in natural settings, complementing subjective self-reports.
- GSR/EDA : These tools measure physiological arousal in real-life scenarios, giving researchers insights into emotional states without the need for intrusive measures.
- EMG : In studies where direct manipulation isn’t feasible, EMG can indicate subtle responses to stimuli, which might be overlooked in traditional observational methods.
- ECG/PPG : These sensors can be used to understand the impact of various interventions on physiological states such as stress or relaxation.
Streamlining Research Design with iMotions
The iMotions platform offers a streamlined process for integrating various biosensors into a research design. Researchers can easily design experiments, collect multimodal data, and analyze results in a unified interface. This reduces the complexity often associated with handling multiple streams of data and ensures a cohesive and comprehensive research approach.
Integrating iMotions software and biosensors into research design opens new horizons for scientific inquiry. This technology enhances the depth and breadth of data collection, paving the way for more nuanced and comprehensive findings.
Whether in experimental, non-experimental, or quasi-experimental designs, iMotions and biosensors offer invaluable tools for researchers aiming to uncover the intricate layers of human behavior and cognitive processes. The future of research design is undeniably intertwined with the advancements in these technologies, leading to more robust, reliable, and insightful scientific discoveries.
Challenges in Research Design
Research design can present several challenges that researchers need to overcome to conduct reliable and valid studies. Being aware of these challenges is essential for researchers to address them effectively and ensure the integrity of their research.
Ethical Considerations
Research design must adhere to ethical guidelines and principles to protect the rights and well-being of participants. Researchers need to obtain informed consent, ensure participant confidentiality, and minimize potential harm or discomfort. Ethical considerations should be carefully integrated into the research design to promote ethical research practices.
Practical Limitations
Researchers often face practical limitations that may impact the design and execution of their studies. Limited resources, time constraints, access to participants or data, and logistical challenges can pose obstacles during the research process. Researchers need to navigate these limitations and make thoughtful choices to ensure the feasibility and quality of their research.
Research design is a vital aspect of conducting scientific studies. It provides a structured framework for researchers to answer their research questions and obtain reliable and valid results. By understanding the different types of research design and following the necessary steps in developing a research design, researchers can enhance the rigor and impact of their studies.
However, researchers must also be mindful of the challenges they may encounter, such as ethical considerations and practical limitations, and take appropriate measures to address them. Ultimately, a well-designed research study contributes to the advancement of knowledge and promotes evidence-based decision-making in various fields.
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Research Methodologies
Research design, external validity, internal validity, threats to validity.
- What are research methodologies?
- What are research methods?
- Additional Sources
According to Jenkins-Smith, et al. (2017), a research design is the set of steps you take to collect and analyze your research data. In other words, it is the general plan to answer your research topic or question. You can also think of it as a combination of your research methodology and your research method. Your research design should include the following:
- A clear research question
- Theoretical frameworks you will use to analyze your data
- Key concepts
- Your hypothesis/hypotheses
- Independent and dependent variables (if applicable)
- Strengths and weaknesses of your chosen design
There are two types of research designs:
- Experimental design: This design is like a standard science lab experiment because the researcher controls as many variables as they can and assigns research subjects to groups. The researcher manipulates the experimental treatment and gives it to one group. The other group receives the unmanipulated treatment (or not treatment) and the researcher examines affect of the treatment in each group (dependent variable). This design can have more than two groups depending on your study requirements.
- Observational design: This is when the researcher has no control over the independent variable and which research participants get exposed to it. Depending on your research topic, this is the only design you can use. This is a more natural approach to a study because you are not controlling the experimental treatment. You are allowing the variable to occur on its own without your interference. Weather experiments are a great example of observational design because the researcher has no control over the weather and how it changes.
When considering your research design, you will also need to consider your study's validity and any potential threats to its validity. There are two types of validity: external and internal validity. Each type demonstrates a degree of accuracy and thoughtfulness in a study and they contribute to a study's reliability. Information about external and internal validity is included below.
External validity is the degree to which you can generalize the findings of your research study. It is determining whether or not the findings are applicable to other settings (Jenkins-Smith, 2017). In many cases, the external validity of a study is strongly linked to the sample population. For example, if you studied a group of twenty-five year old male Americans, you could potentially generalize your findings to all twenty-five year old American males. External validity is also the ability for someone else to replicate your study and achieve the same results (Jenkins-Smith, 2017). If someone replicates your exact study and gets different results, then your study may have weak external validity.
Questions to ask when assessing external validity:
- Do my conclusions apply to other studies?
- If someone were to replicate my study, would they get the same results?
- Are my findings generalizable to a certain population?
Internal validity is when a researcher can conclude a causal relationship between their independent variable and their dependent variable. It is a way to verify the study's findings because it draws a relationship between the variables (Jenkins-Smith, 2017). In other words, it is the actual factors that result in the study's outcome (Singh, 2007). According to Singh (2007), internal validity can be placed into 4 subcategories:
- Face validity: This confirms the fact that the measure accurately reflects the research question.
- Content validity: This assesses the measurement technique's compatibility with other literature on the topic. It determines how well the tool used to gather data measures the item or concept that the researcher is interested in.
- Criterion validity: This demonstrates the accuracy of a study by comparing it to a similar study.
- Construct validity: This measures the appropriateness of the conclusions drawn from a study.
According to Jenkins-Smith (2017), there are several threats that may impact the internal and external validity of a study:
Threats to External Validity
- Interaction with testing: Any testing done before the actual experiment may decrease participants' sensitivity to the actual treatment.
- Sample misrepresentation: A population sample that is unrepresentative of the entire population.
- Selection bias: Researchers may have bias towards selecting certain subjects to participate in the study who may be more or less sensitive to the experimental treatment.
- Environment: If the study was conducted in a lab setting, the findings may not be able to transfer to a more natural setting.
Threats to Internal Validity
- Unplanned events that occur during the experiment that effect the results.
- Changes to the participants during the experiment, such as fatigue, aging, etc.
- Selection bias: When research subjects are not selected randomly.
- If participants drop out of the study without completing it.
- Changing the way the data is collected or measured during the study.
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Organizing Academic Research Papers: Types of Research Designs
- Purpose of Guide
- Design Flaws to Avoid
- Glossary of Research Terms
- Narrowing a Topic Idea
- Broadening a Topic Idea
- Extending the Timeliness of a Topic Idea
- Academic Writing Style
- Choosing a Title
- Making an Outline
- Paragraph Development
- Executive Summary
- Background Information
- The Research Problem/Question
- Theoretical Framework
- Citation Tracking
- Content Alert Services
- Evaluating Sources
- Primary Sources
- Secondary Sources
- Tertiary Sources
- What Is Scholarly vs. Popular?
- Qualitative Methods
- Quantitative Methods
- Using Non-Textual Elements
- Limitations of the Study
- Common Grammar Mistakes
- Avoiding Plagiarism
- Footnotes or Endnotes?
- Further Readings
- Annotated Bibliography
- Dealing with Nervousness
- Using Visual Aids
- Grading Someone Else's Paper
- How to Manage Group Projects
- Multiple Book Review Essay
- Reviewing Collected Essays
- About Informed Consent
- Writing Field Notes
- Writing a Policy Memo
- Writing a Research Proposal
- Acknowledgements
Introduction
Before beginning your paper, you need to decide how you plan to design the study .
The research design refers to the overall strategy that you choose to integrate the different components of the study in a coherent and logical way, thereby, ensuring you will effectively address the research problem; it constitutes the blueprint for the collection, measurement, and analysis of data. Note that your research problem determines the type of design you can use, not the other way around!
General Structure and Writing Style
Action research design, case study design, causal design, cohort design, cross-sectional design, descriptive design, experimental design, exploratory design, historical design, longitudinal design, observational design, philosophical design, sequential design.
Kirshenblatt-Gimblett, Barbara. Part 1, What Is Research Design? The Context of Design. Performance Studies Methods Course syllabus . New York University, Spring 2006; Trochim, William M.K. Research Methods Knowledge Base . 2006.
The function of a research design is to ensure that the evidence obtained enables you to effectively address the research problem as unambiguously as possible. In social sciences research, obtaining evidence relevant to the research problem generally entails specifying the type of evidence needed to test a theory, to evaluate a program, or to accurately describe a phenomenon. However, researchers can often begin their investigations far too early, before they have thought critically about about what information is required to answer the study's research questions. Without attending to these design issues beforehand, the conclusions drawn risk being weak and unconvincing and, consequently, will fail to adequate address the overall research problem.
Given this, the length and complexity of research designs can vary considerably, but any sound design will do the following things:
- Identify the research problem clearly and justify its selection,
- Review previously published literature associated with the problem area,
- Clearly and explicitly specify hypotheses [i.e., research questions] central to the problem selected,
- Effectively describe the data which will be necessary for an adequate test of the hypotheses and explain how such data will be obtained, and
- Describe the methods of analysis which will be applied to the data in determining whether or not the hypotheses are true or false.
Kirshenblatt-Gimblett, Barbara. Part 1, What Is Research Design? The Context of Design. Performance Studies Methods Course syllabus . New Yortk University, Spring 2006.
Definition and Purpose
The essentials of action research design follow a characteristic cycle whereby initially an exploratory stance is adopted, where an understanding of a problem is developed and plans are made for some form of interventionary strategy. Then the intervention is carried out (the action in Action Research) during which time, pertinent observations are collected in various forms. The new interventional strategies are carried out, and the cyclic process repeats, continuing until a sufficient understanding of (or implement able solution for) the problem is achieved. The protocol is iterative or cyclical in nature and is intended to foster deeper understanding of a given situation, starting with conceptualizing and particularizing the problem and moving through several interventions and evaluations.
What do these studies tell you?
- A collaborative and adaptive research design that lends itself to use in work or community situations.
- Design focuses on pragmatic and solution-driven research rather than testing theories.
- When practitioners use action research it has the potential to increase the amount they learn consciously from their experience. The action research cycle can also be regarded as a learning cycle.
- Action search studies often have direct and obvious relevance to practice.
- There are no hidden controls or preemption of direction by the researcher.
What these studies don't tell you?
- It is harder to do than conducting conventional studies because the researcher takes on responsibilities for encouraging change as well as for research.
- Action research is much harder to write up because you probably can’t use a standard format to report your findings effectively.
- Personal over-involvement of the researcher may bias research results.
- The cyclic nature of action research to achieve its twin outcomes of action (e.g. change) and research (e.g. understanding) is time-consuming and complex to conduct.
Gall, Meredith. Educational Research: An Introduction . Chapter 18, Action Research. 8th ed. Boston, MA: Pearson/Allyn and Bacon, 2007; Kemmis, Stephen and Robin McTaggart. “Participatory Action Research.” In Handbook of Qualitative Research . Norman Denzin and Yvonna S. Locoln, eds. 2nd ed. (Thousand Oaks, CA: SAGE, 2000), pp. 567-605.; Reason, Peter and Hilary Bradbury. Handbook of Action Research: Participative Inquiry and Practice . Thousand Oaks, CA: SAGE, 2001.
A case study is an in-depth study of a particular research problem rather than a sweeping statistical survey. It is often used to narrow down a very broad field of research into one or a few easily researchable examples. The case study research design is also useful for testing whether a specific theory and model actually applies to phenomena in the real world. It is a useful design when not much is known about a phenomenon.
- Approach excels at bringing us to an understanding of a complex issue through detailed contextual analysis of a limited number of events or conditions and their relationships.
- A researcher using a case study design can apply a vaiety of methodologies and rely on a variety of sources to investigate a research problem.
- Design can extend experience or add strength to what is already known through previous research.
- Social scientists, in particular, make wide use of this research design to examine contemporary real-life situations and provide the basis for the application of concepts and theories and extension of methods.
- The design can provide detailed descriptions of specific and rare cases.
- A single or small number of cases offers little basis for establishing reliability or to generalize the findings to a wider population of people, places, or things.
- The intense exposure to study of the case may bias a researcher's interpretation of the findings.
- Design does not facilitate assessment of cause and effect relationships.
- Vital information may be missing, making the case hard to interpret.
- The case may not be representative or typical of the larger problem being investigated.
- If the criteria for selecting a case is because it represents a very unusual or unique phenomenon or problem for study, then your intepretation of the findings can only apply to that particular case.
Anastas, Jeane W. Research Design for Social Work and the Human Services . Chapter 4, Flexible Methods: Case Study Design. 2nd ed. New York: Columbia University Press, 1999; Stake, Robert E. The Art of Case Study Research . Thousand Oaks, CA: SAGE, 1995; Yin, Robert K. Case Study Research: Design and Theory . Applied Social Research Methods Series, no. 5. 3rd ed. Thousand Oaks, CA: SAGE, 2003.
Causality studies may be thought of as understanding a phenomenon in terms of conditional statements in the form, “If X, then Y.” This type of research is used to measure what impact a specific change will have on existing norms and assumptions. Most social scientists seek causal explanations that reflect tests of hypotheses. Causal effect (nomothetic perspective) occurs when variation in one phenomenon, an independent variable, leads to or results, on average, in variation in another phenomenon, the dependent variable.
Conditions necessary for determining causality:
- Empirical association--a valid conclusion is based on finding an association between the independent variable and the dependent variable.
- Appropriate time order--to conclude that causation was involved, one must see that cases were exposed to variation in the independent variable before variation in the dependent variable.
- Nonspuriousness--a relationship between two variables that is not due to variation in a third variable.
- Causality research designs helps researchers understand why the world works the way it does through the process of proving a causal link between variables and eliminating other possibilities.
- Replication is possible.
- There is greater confidence the study has internal validity due to the systematic subject selection and equity of groups being compared.
- Not all relationships are casual! The possibility always exists that, by sheer coincidence, two unrelated events appear to be related [e.g., Punxatawney Phil could accurately predict the duration of Winter for five consecutive years but, the fact remains, he's just a big, furry rodent].
- Conclusions about causal relationships are difficult to determine due to a variety of extraneous and confounding variables that exist in a social environment. This means causality can only be inferred, never proven.
- If two variables are correlated, the cause must come before the effect. However, even though two variables might be causally related, it can sometimes be difficult to determine which variable comes first and therefore to establish which variable is the actual cause and which is the actual effect.
Bachman, Ronet. The Practice of Research in Criminology and Criminal Justice . Chapter 5, Causation and Research Designs. 3rd ed. Thousand Oaks, CA: Pine Forge Press, 2007; Causal Research Design: Experimentation. Anonymous SlideShare Presentation ; Gall, Meredith. Educational Research: An Introduction . Chapter 11, Nonexperimental Research: Correlational Designs. 8th ed. Boston, MA: Pearson/Allyn and Bacon, 2007; Trochim, William M.K. Research Methods Knowledge Base . 2006.
Often used in the medical sciences, but also found in the applied social sciences, a cohort study generally refers to a study conducted over a period of time involving members of a population which the subject or representative member comes from, and who are united by some commonality or similarity. Using a quantitative framework, a cohort study makes note of statistical occurrence within a specialized subgroup, united by same or similar characteristics that are relevant to the research problem being investigated, r ather than studying statistical occurrence within the general population. Using a qualitative framework, cohort studies generally gather data using methods of observation. Cohorts can be either "open" or "closed."
- Open Cohort Studies [dynamic populations, such as the population of Los Angeles] involve a population that is defined just by the state of being a part of the study in question (and being monitored for the outcome). Date of entry and exit from the study is individually defined, therefore, the size of the study population is not constant. In open cohort studies, researchers can only calculate rate based data, such as, incidence rates and variants thereof.
- Closed Cohort Studies [static populations, such as patients entered into a clinical trial] involve participants who enter into the study at one defining point in time and where it is presumed that no new participants can enter the cohort. Given this, the number of study participants remains constant (or can only decrease).
- The use of cohorts is often mandatory because a randomized control study may be unethical. For example, you cannot deliberately expose people to asbestos, you can only study its effects on those who have already been exposed. Research that measures risk factors often relies on cohort designs.
- Because cohort studies measure potential causes before the outcome has occurred, they can demonstrate that these “causes” preceded the outcome, thereby avoiding the debate as to which is the cause and which is the effect.
- Cohort analysis is highly flexible and can provide insight into effects over time and related to a variety of different types of changes [e.g., social, cultural, political, economic, etc.].
- Either original data or secondary data can be used in this design.
- In cases where a comparative analysis of two cohorts is made [e.g., studying the effects of one group exposed to asbestos and one that has not], a researcher cannot control for all other factors that might differ between the two groups. These factors are known as confounding variables.
- Cohort studies can end up taking a long time to complete if the researcher must wait for the conditions of interest to develop within the group. This also increases the chance that key variables change during the course of the study, potentially impacting the validity of the findings.
- Because of the lack of randominization in the cohort design, its external validity is lower than that of study designs where the researcher randomly assigns participants.
Healy P, Devane D. “Methodological Considerations in Cohort Study Designs.” Nurse Researcher 18 (2011): 32-36; Levin, Kate Ann. Study Design IV: Cohort Studies. Evidence-Based Dentistry 7 (2003): 51–52; Study Design 101 . Himmelfarb Health Sciences Library. George Washington University, November 2011; Cohort Study . Wikipedia.
Cross-sectional research designs have three distinctive features: no time dimension, a reliance on existing differences rather than change following intervention; and, groups are selected based on existing differences rather than random allocation. The cross-sectional design can only measure diffrerences between or from among a variety of people, subjects, or phenomena rather than change. As such, researchers using this design can only employ a relative passive approach to making causal inferences based on findings.
- Cross-sectional studies provide a 'snapshot' of the outcome and the characteristics associated with it, at a specific point in time.
- Unlike the experimental design where there is an active intervention by the researcher to produce and measure change or to create differences, cross-sectional designs focus on studying and drawing inferences from existing differences between people, subjects, or phenomena.
- Entails collecting data at and concerning one point in time. While longitudinal studies involve taking multiple measures over an extended period of time, cross-sectional research is focused on finding relationships between variables at one moment in time.
- Groups identified for study are purposely selected based upon existing differences in the sample rather than seeking random sampling.
- Cross-section studies are capable of using data from a large number of subjects and, unlike observational studies, is not geographically bound.
- Can estimate prevalence of an outcome of interest because the sample is usually taken from the whole population.
- Because cross-sectional designs generally use survey techniques to gather data, they are relatively inexpensive and take up little time to conduct.
- Finding people, subjects, or phenomena to study that are very similar except in one specific variable can be difficult.
- Results are static and time bound and, therefore, give no indication of a sequence of events or reveal historical contexts.
- Studies cannot be utilized to establish cause and effect relationships.
- Provide only a snapshot of analysis so there is always the possibility that a study could have differing results if another time-frame had been chosen.
- There is no follow up to the findings.
Hall, John. “Cross-Sectional Survey Design.” In Encyclopedia of Survey Research Methods. Paul J. Lavrakas, ed. (Thousand Oaks, CA: Sage, 2008), pp. 173-174; Helen Barratt, Maria Kirwan. Cross-Sectional Studies: Design, Application, Strengths and Weaknesses of Cross-Sectional Studies . Healthknowledge, 2009. Cross-Sectional Study . Wikipedia.
Descriptive research designs help provide answers to the questions of who, what, when, where, and how associated with a particular research problem; a descriptive study cannot conclusively ascertain answers to why. Descriptive research is used to obtain information concerning the current status of the phenomena and to describe "what exists" with respect to variables or conditions in a situation.
- The subject is being observed in a completely natural and unchanged natural environment. True experiments, whilst giving analyzable data, often adversely influence the normal behavior of the subject.
- Descriptive research is often used as a pre-cursor to more quantitatively research designs, the general overview giving some valuable pointers as to what variables are worth testing quantitatively.
- If the limitations are understood, they can be a useful tool in developing a more focused study.
- Descriptive studies can yield rich data that lead to important recommendations.
- Appoach collects a large amount of data for detailed analysis.
- The results from a descriptive research can not be used to discover a definitive answer or to disprove a hypothesis.
- Because descriptive designs often utilize observational methods [as opposed to quantitative methods], the results cannot be replicated.
- The descriptive function of research is heavily dependent on instrumentation for measurement and observation.
Anastas, Jeane W. Research Design for Social Work and the Human Services . Chapter 5, Flexible Methods: Descriptive Research. 2nd ed. New York: Columbia University Press, 1999; McNabb, Connie. Descriptive Research Methodologies . Powerpoint Presentation; Shuttleworth, Martyn. Descriptive Research Design , September 26, 2008. Explorable.com website.
A blueprint of the procedure that enables the researcher to maintain control over all factors that may affect the result of an experiment. In doing this, the researcher attempts to determine or predict what may occur. Experimental Research is often used where there is time priority in a causal relationship (cause precedes effect), there is consistency in a causal relationship (a cause will always lead to the same effect), and the magnitude of the correlation is great. The classic experimental design specifies an experimental group and a control group. The independent variable is administered to the experimental group and not to the control group, and both groups are measured on the same dependent variable. Subsequent experimental designs have used more groups and more measurements over longer periods. True experiments must have control, randomization, and manipulation.
- Experimental research allows the researcher to control the situation. In so doing, it allows researchers to answer the question, “what causes something to occur?”
- Permits the researcher to identify cause and effect relationships between variables and to distinguish placebo effects from treatment effects.
- Experimental research designs support the ability to limit alternative explanations and to infer direct causal relationships in the study.
- Approach provides the highest level of evidence for single studies.
- The design is artificial, and results may not generalize well to the real world.
- The artificial settings of experiments may alter subject behaviors or responses.
- Experimental designs can be costly if special equipment or facilities are needed.
- Some research problems cannot be studied using an experiment because of ethical or technical reasons.
- Difficult to apply ethnographic and other qualitative methods to experimental designed research studies.
Anastas, Jeane W. Research Design for Social Work and the Human Services . Chapter 7, Flexible Methods: Experimental Research. 2nd ed. New York: Columbia University Press, 1999; Chapter 2: Research Design, Experimental Designs . School of Psychology, University of New England, 2000; Experimental Research. Research Methods by Dummies. Department of Psychology. California State University, Fresno, 2006; Trochim, William M.K. Experimental Design . Research Methods Knowledge Base. 2006; Rasool, Shafqat. Experimental Research . Slideshare presentation.
An exploratory design is conducted about a research problem when there are few or no earlier studies to refer to. The focus is on gaining insights and familiarity for later investigation or undertaken when problems are in a preliminary stage of investigation.
The goals of exploratory research are intended to produce the following possible insights:
- Familiarity with basic details, settings and concerns.
- Well grounded picture of the situation being developed.
- Generation of new ideas and assumption, development of tentative theories or hypotheses.
- Determination about whether a study is feasible in the future.
- Issues get refined for more systematic investigation and formulation of new research questions.
- Direction for future research and techniques get developed.
- Design is a useful approach for gaining background information on a particular topic.
- Exploratory research is flexible and can address research questions of all types (what, why, how).
- Provides an opportunity to define new terms and clarify existing concepts.
- Exploratory research is often used to generate formal hypotheses and develop more precise research problems.
- Exploratory studies help establish research priorities.
- Exploratory research generally utilizes small sample sizes and, thus, findings are typically not generalizable to the population at large.
- The exploratory nature of the research inhibits an ability to make definitive conclusions about the findings.
- The research process underpinning exploratory studies is flexible but often unstructured, leading to only tentative results that have limited value in decision-making.
- Design lacks rigorous standards applied to methods of data gathering and analysis because one of the areas for exploration could be to determine what method or methodologies could best fit the research problem.
Cuthill, Michael. “Exploratory Research: Citizen Participation, Local Government, and Sustainable Development in Australia.” Sustainable Development 10 (2002): 79-89; Taylor, P. J., G. Catalano, and D.R.F. Walker. “Exploratory Analysis of the World City Network.” Urban Studies 39 (December 2002): 2377-2394; Exploratory Research . Wikipedia.
The purpose of a historical research design is to collect, verify, and synthesize evidence from the past to establish facts that defend or refute your hypothesis. It uses secondary sources and a variety of primary documentary evidence, such as, logs, diaries, official records, reports, archives, and non-textual information [maps, pictures, audio and visual recordings]. The limitation is that the sources must be both authentic and valid.
- The historical research design is unobtrusive; the act of research does not affect the results of the study.
- The historical approach is well suited for trend analysis.
- Historical records can add important contextual background required to more fully understand and interpret a research problem.
- There is no possibility of researcher-subject interaction that could affect the findings.
- Historical sources can be used over and over to study different research problems or to replicate a previous study.
- The ability to fulfill the aims of your research are directly related to the amount and quality of documentation available to understand the research problem.
- Since historical research relies on data from the past, there is no way to manipulate it to control for contemporary contexts.
- Interpreting historical sources can be very time consuming.
- The sources of historical materials must be archived consistentally to ensure access.
- Original authors bring their own perspectives and biases to the interpretation of past events and these biases are more difficult to ascertain in historical resources.
- Due to the lack of control over external variables, historical research is very weak with regard to the demands of internal validity.
- It rare that the entirety of historical documentation needed to fully address a research problem is available for interpretation, therefore, gaps need to be acknowledged.
Savitt, Ronald. “Historical Research in Marketing.” Journal of Marketing 44 (Autumn, 1980): 52-58; Gall, Meredith. Educational Research: An Introduction . Chapter 16, Historical Research. 8th ed. Boston, MA: Pearson/Allyn and Bacon, 2007.
A longitudinal study follows the same sample over time and makes repeated observations. With longitudinal surveys, for example, the same group of people is interviewed at regular intervals, enabling researchers to track changes over time and to relate them to variables that might explain why the changes occur. Longitudinal research designs describe patterns of change and help establish the direction and magnitude of causal relationships. Measurements are taken on each variable over two or more distinct time periods. This allows the researcher to measure change in variables over time. It is a type of observational study and is sometimes referred to as a panel study.
- Longitudinal data allow the analysis of duration of a particular phenomenon.
- Enables survey researchers to get close to the kinds of causal explanations usually attainable only with experiments.
- The design permits the measurement of differences or change in a variable from one period to another [i.e., the description of patterns of change over time].
- Longitudinal studies facilitate the prediction of future outcomes based upon earlier factors.
- The data collection method may change over time.
- Maintaining the integrity of the original sample can be difficult over an extended period of time.
- It can be difficult to show more than one variable at a time.
- This design often needs qualitative research to explain fluctuations in the data.
- A longitudinal research design assumes present trends will continue unchanged.
- It can take a long period of time to gather results.
- There is a need to have a large sample size and accurate sampling to reach representativness.
Anastas, Jeane W. Research Design for Social Work and the Human Services . Chapter 6, Flexible Methods: Relational and Longitudinal Research. 2nd ed. New York: Columbia University Press, 1999; Kalaian, Sema A. and Rafa M. Kasim. "Longitudinal Studies." In Encyclopedia of Survey Research Methods . Paul J. Lavrakas, ed. (Thousand Oaks, CA: Sage, 2008), pp. 440-441; Ployhart, Robert E. and Robert J. Vandenberg. "Longitudinal Research: The Theory, Design, and Analysis of Change.” Journal of Management 36 (January 2010): 94-120; Longitudinal Study . Wikipedia.
This type of research design draws a conclusion by comparing subjects against a control group, in cases where the researcher has no control over the experiment. There are two general types of observational designs. In direct observations, people know that you are watching them. Unobtrusive measures involve any method for studying behavior where individuals do not know they are being observed. An observational study allows a useful insight into a phenomenon and avoids the ethical and practical difficulties of setting up a large and cumbersome research project.
- Observational studies are usually flexible and do not necessarily need to be structured around a hypothesis about what you expect to observe (data is emergent rather than pre-existing).
- The researcher is able to collect a depth of information about a particular behavior.
- Can reveal interrelationships among multifaceted dimensions of group interactions.
- You can generalize your results to real life situations.
- Observational research is useful for discovering what variables may be important before applying other methods like experiments.
- Observation researchd esigns account for the complexity of group behaviors.
- Reliability of data is low because seeing behaviors occur over and over again may be a time consuming task and difficult to replicate.
- In observational research, findings may only reflect a unique sample population and, thus, cannot be generalized to other groups.
- There can be problems with bias as the researcher may only "see what they want to see."
- There is no possiblility to determine "cause and effect" relationships since nothing is manipulated.
- Sources or subjects may not all be equally credible.
- Any group that is studied is altered to some degree by the very presence of the researcher, therefore, skewing to some degree any data collected (the Heisenburg Uncertainty Principle).
Atkinson, Paul and Martyn Hammersley. “Ethnography and Participant Observation.” In Handbook of Qualitative Research . Norman K. Denzin and Yvonna S. Lincoln, eds. (Thousand Oaks, CA: Sage, 1994), pp. 248-261; Observational Research. Research Methods by Dummies. Department of Psychology. California State University, Fresno, 2006; Patton Michael Quinn. Qualitiative Research and Evaluation Methods . Chapter 6, Fieldwork Strategies and Observational Methods. 3rd ed. Thousand Oaks, CA: Sage, 2002; Rosenbaum, Paul R. Design of Observational Studies . New York: Springer, 2010.
Understood more as an broad approach to examining a research problem than a methodological design, philosophical analysis and argumentation is intended to challenge deeply embedded, often intractable, assumptions underpinning an area of study. This approach uses the tools of argumentation derived from philosophical traditions, concepts, models, and theories to critically explore and challenge, for example, the relevance of logic and evidence in academic debates, to analyze arguments about fundamental issues, or to discuss the root of existing discourse about a research problem. These overarching tools of analysis can be framed in three ways:
- Ontology -- the study that describes the nature of reality; for example, what is real and what is not, what is fundamental and what is derivative?
- Epistemology -- the study that explores the nature of knowledge; for example, on what does knowledge and understanding depend upon and how can we be certain of what we know?
- Axiology -- the study of values; for example, what values does an individual or group hold and why? How are values related to interest, desire, will, experience, and means-to-end? And, what is the difference between a matter of fact and a matter of value?
- Can provide a basis for applying ethical decision-making to practice.
- Functions as a means of gaining greater self-understanding and self-knowledge about the purposes of research.
- Brings clarity to general guiding practices and principles of an individual or group.
- Philosophy informs methodology.
- Refine concepts and theories that are invoked in relatively unreflective modes of thought and discourse.
- Beyond methodology, philosophy also informs critical thinking about epistemology and the structure of reality (metaphysics).
- Offers clarity and definition to the practical and theoretical uses of terms, concepts, and ideas.
- Limited application to specific research problems [answering the "So What?" question in social science research].
- Analysis can be abstract, argumentative, and limited in its practical application to real-life issues.
- While a philosophical analysis may render problematic that which was once simple or taken-for-granted, the writing can be dense and subject to unnecessary jargon, overstatement, and/or excessive quotation and documentation.
- There are limitations in the use of metaphor as a vehicle of philosophical analysis.
- There can be analytical difficulties in moving from philosophy to advocacy and between abstract thought and application to the phenomenal world.
Chapter 4, Research Methodology and Design . Unisa Institutional Repository (UnisaIR), University of South Africa; Labaree, Robert V. and Ross Scimeca. “The Philosophical Problem of Truth in Librarianship.” The Library Quarterly 78 (January 2008): 43-70; Maykut, Pamela S. Beginning Qualitative Research: A Philosophic and Practical Guide . Washington, D.C.: Falmer Press, 1994; Stanford Encyclopedia of Philosophy . Metaphysics Research Lab, CSLI, Stanford University, 2013.
- The researcher has a limitless option when it comes to sample size and the sampling schedule.
- Due to the repetitive nature of this research design, minor changes and adjustments can be done during the initial parts of the study to correct and hone the research method. Useful design for exploratory studies.
- There is very little effort on the part of the researcher when performing this technique. It is generally not expensive, time consuming, or workforce extensive.
- Because the study is conducted serially, the results of one sample are known before the next sample is taken and analyzed.
- The sampling method is not representative of the entire population. The only possibility of approaching representativeness is when the researcher chooses to use a very large sample size significant enough to represent a significant portion of the entire population. In this case, moving on to study a second or more sample can be difficult.
- Because the sampling technique is not randomized, the design cannot be used to create conclusions and interpretations that pertain to an entire population. Generalizability from findings is limited.
- Difficult to account for and interpret variation from one sample to another over time, particularly when using qualitative methods of data collection.
Rebecca Betensky, Harvard University, Course Lecture Note slides ; Cresswell, John W. Et al. “Advanced Mixed-Methods Research Designs.” In Handbook of Mixed Methods in Social and Behavioral Research . Abbas Tashakkori and Charles Teddle, eds. (Thousand Oaks, CA: Sage, 2003), pp. 209-240; Nataliya V. Ivankova. “Using Mixed-Methods Sequential Explanatory Design: From Theory to Practice.” Field Methods 18 (February 2006): 3-20; Bovaird, James A. and Kevin A. Kupzyk. “Sequential Design.” In Encyclopedia of Research Design . Neil J. Salkind, ed. Thousand Oaks, CA: Sage, 2010; Sequential Analysis . Wikipedia.
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How To Write A Research Design Like A Pro
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The overall strategy that a researcher chooses to address all the different parts of their study in a logical and clear manner is known as a research design.
So, what is research design in research paper? A research design is a general plan explaining what one looks to do so as to answer the research question. Generally, it is a detailed outline of how research or an investigation will take place including; how data will be collected, which tools will be employed and how they will be used, and the ways through with the data will be analyzed.
It lays out the method you use to collect, measure, and analyze information. It states that you do this logically and coherently to ensure that you thoroughly address the research problem with which you are dealing. There are numerous types of research design including:
Action Study Research Design Case Study Research Design Casual Research Design Cohort Research Design Cross-Sectional Research Design Correlational Research Design Descriptive Research Design Experimental Research Design Exploratory Research Design Historical Research Design Longitudinal Research Design Observational Research Design Philosophical Research Design Qualitative Research Design Quantitative Research Design Sequential Research Design
The research paper design you choose depends on the research problem. You should analyze the problem carefully and consider it from numerous perspectives. You may consider using a mixed methods research design which is a combination of any two designs listed above. But you must choose a type of research design that is strong and will make your project progress smoothly.
Example Of A Nursing Research Design
To assess the links between professional satisfaction, job satisfaction, and contributing factors using a quantitative approach, an appropriate method is to gain use questionnaires or surveys that provide numerical data from the sample. To achieve an appropriate sample, a sampling plan should be developed. In this case, the population of concern will be identified. This will be nursing staff members, possibly across a wide range of departments to gain a better insight into the links overall. A stratified sampling method would be appropriate here to ensure that the sample is made up of sub-populations that are in line with the sub-populations of the total: the strata should include gender, number of years in nursing, department, and any other factors that could be confounding variables. This will ensure that the sample is representative of the population of interest. In a population of 1000 nurses, a confidence interval of five, and a confidence level of 99%, the sample size needed is 400. Inclusion criteria will include: nursing staff working at the hospital, ability to speak the language that the survey is administered in, and those that have given informed consent. Exclusion criteria will be visiting nursing staff, staff who are not nurses, and those that do not hold relevant nursing criteria.
Sampling Plan: Qualitative
A more appropriate methodology for qualitative approaches is to use interviews or focus groups. This means that the sample size can be much smaller, often as low as ten. In this case, the sampling plan will have the same population of concern, but a different approach to sampling can be used. It may be more appropriate to use quota, self-selection sampling here, as nursing staff need to be willing to give up some time to respond. This has drawbacks, including self-selection bias, but it would be unethical to force nursing staff to participate in the project, especially considering interviews can take one hour or more. The inclusion and exclusion criteria are as above.
How to Write a Research Design Proposal
For most research problems, you will have to make some tradeoffs. One design can be strong in some areas and weak in other areas. This is the reason many students choose to select more than one design to gather all the information accurately and effectively they need to address the problem. This is one of the first things you should know about how to write research design and methods section.
- Consider Your Practicalities and Priorities
What do we mean when we say you need to think about practicalities and priorities? Another thing to know about how to write design and methodology of the research is asking several questions before settling on one or two methodologies. You will not have the time or resources to conduct tests using several research designs, so you need to write down and answer precisely what your priorities are and the practical nature of your study.
A good place to start is at the library where you have access to other academic studies in your field. You can find similar studies and look at published samples that have been approved by experts in the field. You can also get a sense of the number of resources you have available. Pre-planning is a great way of making sure your project stays on track.
- Determine the Kind of Information You Need
The next to know about how to write a qualitative research design is figuring out the kind of information or data you need to answer the research problem. There are two places where you get this: through primary and secondary data. In your research study, you get original data through experiments, interviews, and surveys. This is information you analyze and incorporate into your research finding.
Your study will also incorporate information gathered by someone else in previous studies. This type of data is available in libraries and online databases where you can look at national statistics, official records, and publications from academic and government sources.
- Identify How You Are Going to Collect Information
Once you know the kind of information you need to gather (qualitative and quantitative) you need to decide where, when, and how you will gather it. How to write a research design requires you to describe your research methods. This means putting in detail the materials, procedures, tools, and techniques you will use and apply. You also need to point out the criteria you will use to choose your participants and sources. (For example, how many participants will you need to fill out services to get a good method to sample).
- Decide How You Are Going to Analyze the Information
Another thing you need to know about how to write a research design relates to the way you are going to analyze the information you collect. The process of analysis is the last step you need to develop your research design. Numerous computer applications will sort through information and retrieve what you need to answer the research problem (For example, Access and Excel). Identify the ones you will use and state this in the research design.
- Draft Your Research Design as You Would Other Sections
Now you can start writing the first draft. You should approach this like you would other academic assignments. Use a draft that lists all the sub-sections you need to address in the research design. Be clear and concise. The research design should not include your opinions. It must show the reader an exact description of the way you conducted your study.
- Revise Your Research Design After Some Time Away
Hindsight is one of the best things that can come from separating yourself from your assignment for a few days. We recommend students remove themselves completely from their work to get a mental break. The distance will help them rethink their writing and make changes that improve the overall quality of an assignment.
The trick is to do stay away a few days instead of just a few hours. The time away from any piece of writing will allow for more self-evaluation that is objective. Many students will find ways to remove, add, or rearrange words, phrases, sentences, and paragraphs that make their assignments stronger.
- Edit and Proofread Your Research Design for Perfection
These two activities are not interchangeable. Editing focuses on deep issues like correcting sentence constructions and word choices. A thorough editing session will improve things like clarity, readability, and tone. Proofreading focuses on details like grammar, punctuation, and misspellings. It will also look at page numbering, formatting, alignment, and visual elements.
Both activities are important stages of the writing process. A great editor will begin his or her work during the revising process. A great proofread will also begin his or her work during the editing process. While they may overlap you should always treat them as two separate tasks and designate enough time to do each without distraction.
- Have a Colleague Review Your Work for Feedback
Having a colleague or peer review your work is an important step to the academic writing process. A person or a group of people that understands your field and the high standard of researching and writing that comes with putting together a great research paper can valuable toward your success at the collegiate and graduate levels. Even if you can only show your work to one person for a few hours, his or her feedback can help you make changes to improve the overall quality of your research design.
Here are some questions you should consider before asking someone to review your work:
Do they understand the research subject and/or topic? Do they know the professor or panel that will grade your work? Have they submitted research studies in the past? Do they have great to excellent grades when it comes to research? Are they committed to providing you constructive criticism and feedback?
What to Do If You Can’t Do the Research Design
You may not have enough time to create this section, especially when you have a short deadline. On these occasions, it is a good idea to find a template for a research design paper. You can find templates online or can refer to published research papers in academic journals. The formats are standard so as long as you apply your words to a template that matches your design approach.
If you need more information or assistance learning about how to write a research design section, our customer support team can point you to more resources or put you in contact with one of our academic writing and editing experts. Each expert has earned either a bachelor’s or master’s degree and specialize in specific disciplines. You can rest assured that you will be assigned someone that knows your field inside and outside and can give you the writing research design and methodology help that you need to excel academically.
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Reading a Scholarly Article or Research Paper
Identifying a research problem to investigate requires a preliminary search for and critical review of the literature in order to gain an understanding about how scholars have examined a topic. Scholars rarely structure research studies in a way that can be followed like a story; they are complex and detail-intensive and often written in a descriptive and conclusive narrative form. However, in the social and behavioral sciences, journal articles and stand-alone research reports are generally organized in a consistent format that makes it easier to compare and contrast studies and interpret their findings.
General Reading Strategies
W hen you first read an article or research paper, focus on asking specific questions about each section. This strategy can help with overall comprehension and with understanding how the content relates [or does not relate] to the problem you want to investigate. As you review more and more studies, the process of understanding and critically evaluating the research will become easier because the content of what you review will begin to coalescence around common themes and patterns of analysis. Below are recommendations on how to read each section of a research paper effectively. Note that the sections to read are out of order from how you will find them organized in a journal article or research paper.
1. Abstract
The abstract summarizes the background, methods, results, discussion, and conclusions of a scholarly article or research paper. Use the abstract to filter out sources that may have appeared useful when you began searching for information but, in reality, are not relevant. Questions to consider when reading the abstract are:
- Is this study related to my question or area of research?
- What is this study about and why is it being done ?
- What is the working hypothesis or underlying thesis?
- What is the primary finding of the study?
- Are there words or terminology that I can use to either narrow or broaden the parameters of my search for more information?
2. Introduction
If, after reading the abstract, you believe the paper may be useful, focus on examining the research problem and identifying the questions the author is trying to address. This information is usually located within the first few paragraphs of the introduction or in the concluding paragraph. Look for information about how and in what way this relates to what you are investigating. In addition to the research problem, the introduction should provide the main argument and theoretical framework of the study and, in the last paragraphs of the introduction, describe what the author(s) intend to accomplish. Questions to consider when reading the introduction include:
- What is this study trying to prove or disprove?
- What is the author(s) trying to test or demonstrate?
- What do we already know about this topic and what gaps does this study try to fill or contribute a new understanding to the research problem?
- Why should I care about what is being investigated?
- Will this study tell me anything new related to the research problem I am investigating?
3. Literature Review
The literature review describes and critically evaluates what is already known about a topic. Read the literature review to obtain a big picture perspective about how the topic has been studied and to begin the process of seeing where your potential study fits within the domain of prior research. Questions to consider when reading the literature review include:
- W hat other research has been conducted about this topic and what are the main themes that have emerged?
- What does prior research reveal about what is already known about the topic and what remains to be discovered?
- What have been the most important past findings about the research problem?
- How has prior research led the author(s) to conduct this particular study?
- Is there any prior research that is unique or groundbreaking?
- Are there any studies I could use as a model for designing and organizing my own study?
4. Discussion/Conclusion
The discussion and conclusion are usually the last two sections of text in a scholarly article or research report. They reveal how the author(s) interpreted the findings of their research and presented recommendations or courses of action based on those findings. Often in the conclusion, the author(s) highlight recommendations for further research that can be used to develop your own study. Questions to consider when reading the discussion and conclusion sections include:
- What is the overall meaning of the study and why is this important? [i.e., how have the author(s) addressed the " So What? " question].
- What do you find to be the most important ways that the findings have been interpreted?
- What are the weaknesses in their argument?
- Do you believe conclusions about the significance of the study and its findings are valid?
- What limitations of the study do the author(s) describe and how might this help formulate my own research?
- Does the conclusion contain any recommendations for future research?
5. Methods/Methodology
The methods section describes the materials, techniques, and procedures for gathering information used to examine the research problem. If what you have read so far closely supports your understanding of the topic, then move on to examining how the author(s) gathered information during the research process. Questions to consider when reading the methods section include:
- Did the study use qualitative [based on interviews, observations, content analysis], quantitative [based on statistical analysis], or a mixed-methods approach to examining the research problem?
- What was the type of information or data used?
- Could this method of analysis be repeated and can I adopt the same approach?
- Is enough information available to repeat the study or should new data be found to expand or improve understanding of the research problem?
6. Results
After reading the above sections, you should have a clear understanding of the general findings of the study. Therefore, read the results section to identify how key findings were discussed in relation to the research problem. If any non-textual elements [e.g., graphs, charts, tables, etc.] are confusing, focus on the explanations about them in the text. Questions to consider when reading the results section include:
- W hat did the author(s) find and how did they find it?
- Does the author(s) highlight any findings as most significant?
- Are the results presented in a factual and unbiased way?
- Does the analysis of results in the discussion section agree with how the results are presented?
- Is all the data present and did the author(s) adequately address gaps?
- What conclusions do you formulate from this data and does it match with the author's conclusions?
7. References
The references list the sources used by the author(s) to document what prior research and information was used when conducting the study. After reviewing the article or research paper, use the references to identify additional sources of information on the topic and to examine critically how these sources supported the overall research agenda. Questions to consider when reading the references include:
- Do the sources cited by the author(s) reflect a diversity of disciplinary viewpoints, i.e., are the sources all from a particular field of study or do the sources reflect multiple areas of study?
- Are there any unique or interesting sources that could be incorporated into my study?
- What other authors are respected in this field, i.e., who has multiple works cited or is cited most often by others?
- What other research should I review to clarify any remaining issues or that I need more information about?
NOTE: A final strategy in reviewing research is to copy and paste the title of the source [journal article, book, research report] into Google Scholar . If it appears, look for a "cited by" reference followed by a hyperlinked number under the record [e.g., Cited by 45]. This number indicates how many times the study has been subsequently cited in other, more recently published works. This strategy, known as citation tracking, can be an effective means of expanding your review of pertinent literature based on a study you have found useful and how scholars have cited it. The same strategies described above can be applied to reading articles you find in the list of cited by references.
Reading Tip
Specific Reading Strategies
Effectively reading scholarly research is an acquired skill that involves attention to detail and an ability to comprehend complex ideas, data, and theoretical concepts in a way that applies logically to the research problem you are investigating. Here are some specific reading strategies to consider.
As You are Reading
- Focus on information that is most relevant to the research problem; skim over the other parts.
- As noted above, read content out of order! This isn't a novel; you want to start with the spoiler to quickly assess the relevance of the study.
- Think critically about what you read and seek to build your own arguments; not everything may be entirely valid, examined effectively, or thoroughly investigated.
- Look up the definitions of unfamiliar words, concepts, or terminology. A good scholarly source is Credo Reference .
Taking notes as you read will save time when you go back to examine your sources. Here are some suggestions:
- Mark or highlight important text as you read [e.g., you can use the highlight text feature in a PDF document]
- Take notes in the margins [e.g., Adobe Reader offers pop-up sticky notes].
- Highlight important quotations; consider using different highlighting colors to differentiate between quotes and other types of important text.
- Summarize key points about the study at the end of the paper. To save time, these can be in the form of a concise bulleted list of statements [e.g., intro provides useful historical background; lit review has important sources; good conclusions].
Write down thoughts that come to mind that may help clarify your understanding of the research problem. Here are some examples of questions to ask yourself:
- Do I understand all of the terminology and key concepts?
- Do I understand the parts of this study most relevant to my topic?
- What specific problem does the research address and why is it important?
- Are there any issues or perspectives the author(s) did not consider?
- Do I have any reason to question the validity or reliability of this research?
- How do the findings relate to my research interests and to other works which I have read?
Adapted from text originally created by Holly Burt, Behavioral Sciences Librarian, USC Libraries, April 2018.
Another Reading Tip
When is it Important to Read the Entire Article or Research Paper
Laubepin argues, "Very few articles in a field are so important that every word needs to be read carefully." * However, this implies that some studies are worth reading carefully if they directly relate to understanding the research problem. As arduous as it may seem, there are valid reasons for reading a study from beginning to end. Here are some examples:
- Studies Published Very Recently . The author(s) of a recent, well written study will provide a survey of the most important or impactful prior research in the literature review section. This can establish an understanding of how scholars in the past addressed the research problem. In addition, the most recently published sources will highlight what is known and what gaps in understanding currently exist about a topic, usually in the form of the need for further research in the conclusion .
- Surveys of the Research Problem . Some papers provide a comprehensive analytical overview of the research problem. Reading this type of study can help you understand underlying issues and discover why scholars have chosen to investigate the topic. This is particularly important if the study was published recently because the author(s) should cite all or most of the important prior research on the topic. Note that, if it is a long-standing problem, there may be studies that specifically review the literature to identify gaps that remain. These studies often include the word "review" in their title [e.g., Hügel, Stephan, and Anna R. Davies. "Public Participation, Engagement, and Climate Change Adaptation: A Review of the Research Literature." Wiley Interdisciplinary Reviews: Climate Change 11 (July-August 2020): https://doi.org/10.1002/ wcc.645].
- Highly Cited . If you keep coming across the same citation to a study while you are reviewing the literature, this implies it was foundational in establishing an understanding of the research problem or the study had a significant impact within the literature [either positive or negative]. Carefully reading a highly cited source can help you understand how the topic emerged and how it motivated scholars to further investigate the problem. It also could be a study you need to cite as foundational in your own paper to demonstrate to the reader that you understand the roots of the problem.
- Historical Overview . Knowing the historical background of a research problem may not be the focus of your analysis. Nevertheless, carefully reading a study that provides a thorough description and analysis of the history behind an event, issue, or phenomenon can add important context to understanding the topic and what aspect of the problem you may want to examine further.
- Innovative Methodological Design . Some studies are significant and should be read in their entirety because the author(s) designed a unique or innovative approach to researching the problem. This may justify reading the entire study because it can motivate you to think creatively about also pursuing an alternative or non-traditional approach to examining your topic of interest. These types of studies are generally easy to identify because they are often cited in others works because of their unique approach to examining the research problem.
- Cross-disciplinary Approach . R eviewing studies produced outside of your discipline is an essential component of investigating research problems in the social and behavioral sciences. Consider reading a study that was conducted by author(s) based in a different discipline [e.g., an anthropologist studying political cultures; a study of hiring practices in companies published in a sociology journal]. This approach can generate a new understanding or a unique perspective about the topic . If you are not sure how to search for studies published in a discipline outside of your major or of the course you are taking, contact a librarian for assistance.
* Laubepin, Frederique. How to Read (and Understand) a Social Science Journal Article . Inter-University Consortium for Political and Social Research (ISPSR), 2013
Shon, Phillip Chong Ho. How to Read Journal Articles in the Social Sciences: A Very Practical Guide for Students . 2nd edition. Thousand Oaks, CA: Sage, 2015; Lockhart, Tara, and Mary Soliday. "The Critical Place of Reading in Writing Transfer (and Beyond): A Report of Student Experiences." Pedagogy 16 (2016): 23-37; Maguire, Moira, Ann Everitt Reynolds, and Brid Delahunt. "Reading to Be: The Role of Academic Reading in Emergent Academic and Professional Student Identities." Journal of University Teaching and Learning Practice 17 (2020): 5-12.
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How to Write a Research Proposal: A Complete Guide
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A research proposal is a piece of writing that basically serves as your plan for a research project. It spells out what you’ll study, how you’ll go about it, and why it matters. Think of it as your pitch to show professors or funding bodies that your project is worth their attention and support.
This task is standard for grad students, especially those in research-intensive fields. It’s your chance to showcase your ability to think critically, design a solid study, and articulate why your research could make a difference.
In this article, we'll talk about how to craft a good research proposal, covering everything from the standard format of a research proposal to the specific details you'll need to include.
Feeling overwhelmed by the idea of putting one together? That’s where DoMyEssay comes in handy. Whether you need a little push or more extensive guidance, we’ll help you nail your proposal and move your project forward.
Research Proposal Format
When you're putting together a research proposal, think of it as setting up a roadmap for your project. You want it to be clear and easy to follow so everyone knows what you’re planning to do, how you’re going to do it, and why it matters.
Whether you’re following APA or Chicago style, the key is to keep your formatting clean so that it’s easy for committees or funding bodies to read through and understand.
Here’s a breakdown of each section, with a special focus on formatting a research proposal:
- Title Page : This is your first impression. Make sure it includes the title of your research proposal, your name, and your affiliations. Your title should grab attention and make it clear what your research is about.
- Abstract : This is your elevator pitch. In about 250 words, you need to sum up what you plan to research, how you plan to do it, and what impact you think it will have.
- Introduction : Here’s where you draw them in. Lay out your research question or problem, highlight its importance, and clearly outline what you aim to achieve with your study.
- Literature Review : Show that you’ve done your homework. In this section, demonstrate that you know the field and how your research fits into it. It’s your chance to connect your ideas to what’s already out there and show off a bit about what makes your approach unique or necessary.
- Methodology : Dive into the details of how you’ll get your research done. Explain your methods for gathering data and how you’ll analyze it. This is where you reassure them that your project is doable and you’ve thought through all the steps.
- Timeline : Keep it realistic. Provide an estimated schedule for your research, breaking down the process into manageable stages and assigning a timeline for each phase.
- Budget : If you need funding, lay out a budget that spells out what you need money for. Be clear and precise so there’s no guesswork involved about what you’re asking for.
- References/Bibliography : List out all the works you cited in your proposal. Stick to one citation style to keep things consistent.
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Research Proposal Structure
When you're writing a research proposal, you're laying out your questions and explaining the path you're planning to take to tackle them. Here’s how to structure your proposal so that it speaks to why your research matters and should get some attention.
Introduction
An introduction is where you grab attention and make everyone see why what you're doing matters. Here, you’ll pose the big question of your research proposal topic and show off the potential of your research right from the get-go:
- Grab attention : Start with something that makes the reader sit up — maybe a surprising fact, a challenging question, or a brief anecdote that highlights the urgency of your topic.
- Set the scene : What’s the broader context of your work? Give a snapshot of the landscape and zoom in on where your research fits. This helps readers see the big picture and the niche you’re filling.
- Lay out your plan : Briefly mention the main goals or questions of your research. If you have a hypothesis, state it clearly here.
- Make it matter : Show why your research needs to happen now. What gaps are you filling? What changes could your findings inspire? Make sure the reader understands the impact and significance of your work.
Literature Review
In your research proposal, the literature review does more than just recap what’s already out there. It's where you get to show off how your research connects with the big ideas and ongoing debates in your field. Here’s how to make this section work hard for you:
- Connect the dots : First up, highlight how your study fits into the current landscape by listing what others have done and positioning your research within it. You want to make it clear that you’re not just following the crowd but actually engaging with and contributing to real conversations.
- Critique what’s out there : Explore what others have done well and where they’ve fallen short. Pointing out the gaps or where others might have missed the mark helps set up why your research is needed and how it offers something different.
- Build on what’s known : Explain how your research will use, challenge, or advance the existing knowledge. Are you closing a key gap? Applying old ideas in new ways? Make it clear how your work is going to add something new or push existing boundaries.
Aims and Objectives
Let's talk about the aims and objectives of your research. This is where you set out what you want to achieve and how you plan to get there:
- Main Goal : Start by stating your primary aim. What big question are you trying to answer, or what hypothesis are you testing? This is your research's main driving force.
- Detailed Objectives : Now, break down your main goal into smaller, actionable objectives. These should be clear and specific steps that will help you reach your overall aim. Think of these as the building blocks of your research, each one designed to contribute to the larger goal.
Research Design and Method
This part of your proposal outlines the practical steps you’ll take to answer your research questions:
- Type of Research : First off, what kind of research are you conducting? Will it be qualitative or quantitative research , or perhaps a mix of both? Clearly define whether you'll be gathering numerical data for statistical analysis or exploring patterns and theories in depth.
- Research Approach : Specify whether your approach is experimental, correlational, or descriptive. Each of these frameworks has its own way of uncovering insights, so choose the one that best fits the questions you’re trying to answer.
- Data Collection : Discuss the specifics of your data. If you’re in the social sciences, for instance, describe who or what you’ll be studying. How will you select your subjects or sources? What criteria will you use, and how will you gather your data? Be clear about the methods you’ll use, whether that’s surveys, interviews, observations, or experiments.
- Tools and Techniques : Detail the tools and techniques you'll use to collect your data. Explain why these tools are the best fit for your research goals.
- Timeline and Budget : Sketch out a timeline for your research activities. How long will each phase take? This helps everyone see that your project is organized and feasible.
- Potential Challenges : What might go wrong? Think about potential obstacles and how you plan to handle them. This shows you’re thinking ahead and preparing for all possibilities.
Ethical Considerations
When you're conducting research, especially involving people, you've got to think about ethics. This is all about ensuring everyone's rights are respected throughout your study. Here’s a quick rundown:
- Participant Rights : You need to protect your participants' rights to privacy, autonomy, and confidentiality. This means they should know what the study involves and agree to participate willingly—this is what we call informed consent.
- Informed Consent : You've got to be clear with participants about what they’re signing up for, what you’ll do with the data, and how you'll keep it confidential. Plus, they need the freedom to drop out any time they want.
- Ethical Approval : Before you even start collecting data, your research plan needs a green light from an ethics committee. This group checks that you’re set up to keep your participants safe and treated fairly.
You need to carefully calculate the costs for every aspect of your project. Make sure to include a bit extra for those just-in-case scenarios like unexpected delays or price hikes. Every dollar should have a clear purpose, so justify each part of your budget to ensure it’s all above board. This approach keeps your project on track financially and avoids any surprises down the line.
The appendices in your research proposal are where you stash all the extra documents that back up your main points. Depending on your project, this could include things like consent forms, questionnaires, measurement tools, or even a simple explanation of your study for participants.
Just like any academic paper, your research proposal needs to include citations for all the sources you’ve referenced. Whether you call it a references list or a bibliography, the idea is the same — crediting the work that has informed your research. Make sure every source you’ve cited is listed properly, keeping everything consistent and easy to follow.
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How to Write a Research Proposal?
Whether you're new to this process or looking to refine your skills, here are some practical tips to help you create a strong and compelling proposal.
Tip | What to Do |
---|---|
Stay on Target 🎯 | Stick to the main points and avoid getting sidetracked. A focused proposal is easier to follow and more compelling. |
Use Visuals 🖼️ | Consider adding charts, graphs, or tables if they help explain your ideas better. Visuals can make complex info clearer. |
Embrace Feedback 🔄 | Be open to revising your proposal based on feedback. The best proposals often go through several drafts. |
Prepare Your Pitch 🎤 | If you’re going to present your proposal, practice explaining it clearly and confidently. Being able to pitch it well can make a big difference. |
Anticipate Questions ❓ | Think about the questions or challenges reviewers might have and prepare clear responses. |
Think Bigger 🌍 | Consider how your research could impact your field or even broader society. This can make your proposal more persuasive. |
Use Strong Sources 📚 | Always use credible and up-to-date sources. This strengthens your arguments and builds trust with your readers. |
Keep It Professional ✏️ | While clarity is key, make sure your tone stays professional throughout your proposal. |
Highlight What’s New 💡 | Emphasize what’s innovative or unique about your research. This can be a big selling point for your proposal. |
Research Proposal Template
Here’s a simple and handy research proposal example in PDF format to help you get started and keep your work organized:
Writing a research proposal can be straightforward if you break it down into manageable steps:
- Pick a strong research proposal topic that interests you and has enough material to explore.
- Craft an engaging introduction that clearly states your research question and objectives.
- Do a thorough literature review to see how your work fits into the existing research landscape.
- Plan out your research design and method , deciding whether you’ll use qualitative or quantitative research.
- Consider the ethical aspects to ensure your research is conducted responsibly.
- Set up a budget and gather any necessary appendices to support your proposal.
- Make sure all your sources are cited properly to add credibility to your work.
If you need some extra support, DoMyEssay is ready to help with any type of paper, including crafting a strong research proposal.
What Is a Research Proposal?
How long should a research proposal be, how do you start writing a research proposal.
Examples of Research proposals | York St John University. (n.d.). York St John University. https://www.yorksj.ac.uk/study/postgraduate/research-degrees/apply/examples-of-research-proposals/
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Speaker 1: One of the most frequently asked questions that I am asked all the time across my social media platforms, across my YouTube, across my comments, is about the research process. So how do you start? Where do you even begin? You need to submit a dissertation, you need to submit a research proposal, you need to think of a hypothesis, you need to think of a problem statement, you need to find a gap in literature where do you even begin with the whole research process now it isn't as hard as it seems it's just one of those things that you're never told or you're never taught how to do it's one of those things that you just kind of figure out so hopefully in today's video i will be talking to you about the overview and kind of a quick beginner's guide to the research process, giving you the steps of how you get from zero to having something, having a question, having a hypothesis, having somewhere to start. I'm going to be making this into a bit of a series so in today's video I'm going to be giving you an overview as to the different chapters, the different sections of the process, how you get from nothing to something and then in the following videos I will be going through each of those sections in a bit more detail and hopefully if you are someone who is within one of those kind of parts you can just jump to that video and have a have a quick quick watch if you are someone who is just starting off then this is the best place for you to begin have a little think about how you're going to navigate your research process and how you're going to get from the start to the end it is not difficult but it does require a few steps, a few technicalities, which I'll talk you through today. I'll leave the timestamps down below so you feel free to go and jump to the different sections that you are interested in watching. And if you do enjoy this kind of video and you want to see the rest of the videos from me, then don't forget to subscribe to see more on my channel. So step number one is to choose a topic. Now this is the beginning of something beautiful. This is where you choose what you're actually going to be studying and when you're actually going to be reading about now it's really important that you have chosen a topic that you are interested in that there is an interest in within the research space that has something missing so you don't want to choose a topic that we know everything about you want to choose a topic that we don't know everything about and there are things that we want to try to find more about you want to choose a topic that is within your university guidelines so as much as i would love to do a research on the solar system about space well if my course is to do with cell biology well then i can't so you have to think about your limits think about what you are allowed to do within your university guidelines as well but you do need to think about taking that broad topic and making it into something a bit more narrow so it's not good enough to just say i want to do research on alzheimer's okay alzheimer's fine you've got a topic, but you now need to narrow it down. So what about it are you looking at? Are you looking at the risk factors? Are you looking at what happens once you have Alzheimer's? Are you looking at a specific group of people? Are you looking at a specific cell type? What is it that you are looking at? You need to narrow that down. In order to narrow it down, you need to do a bit of a literature search. So whilst choosing a topic, whilst in this first stage, you need to look at literature. So to find literature you want to go to different websites where you have literature and this could be for example Google Scholar is a good place to start, PubMed is a good place to start. These are places where you can find literature about that topic and kind of read around the subject and identify whether firstly is it something that you are actually interested in and secondly is there enough information for you to gather to be able to write your literature review in the future so that first step your first step of your research process is thinking about the topic because without a topic you there's nothing you can't do anything else so the first step has to always be to find a topic and think about it now once you've thought about a topic and you've narrowed it down to the thing that you're interested in at this stage you will then go to your supervisor to your lecturer to your professor to your mentor to your tutor and you will ask them do you think this is a good topic and that is where you will get some feedback and most likely you'll have to go back have another think or try to refine a bit more or try to think about it in a different way but that is always the first step. In the video that I make about finding a good topic we'll talk about it in a lot more depth but to start off with to introduce this is always the first step. So the second step is to identify a problem and this is what we like to call in as you know in research the gap in literature. So a problem slash gap in literature is the part of research that we that is missing. So when you do research in fact in order to graduate from a PhD you have to and this is one of the criteria you have to produce research it has to be in a thesis or in a in a published paper it has to be research it has to be a finding that is new something that we do not know before we did not know before your research right and that is the number one criteria for for actually getting a phd it is the fact that it has to be something new has to be something novel that you have discovered okay so you need to think about the gap in literature where is there a missing piece i understand this i understand that we know this we know that but what is there that we don't quite know and that is the bit that you are then going to try to identify during your research process right chosen a topic now we need to find the problem where is the missing information now in order to do this you need to have read a lot of papers around your topic. So that's why I said initially, you need to have had approval from your committee, from your tutor, your supervisor to say, right, that's okay. It's good for me to go there. Now you've got that topic that you're looking at. You then want to try to find the gap. Where are you going to slot in? What is it that you are going to provide in terms of knowledge? Now, the identifying a problem is actually quite an important and quite critical part of the research process it's almost impossible you to continue on with your research without having identified the problem because if you don't have a problem you don't know what it is you're looking at you don't know what methods you're using you don't know what your research question is going to be or your hypothesis so at this stage you have to have a very well-defined research problem and your question in order to continue on to the next steps so when i say research problem and we'll talk about this more in in the following video that i'm going to produce about it but when i talk about research problem it could be a number of different things so it could be that we understand or we have the knowledge of a certain situation but now you're comparing it to a different situation so it could be more theoretical where you're comparing two things to each other that haven't been compared before so that would be fine as long as what you have is something original or you may be trying to explore a specific relationship let's say for example in my case with my PhD I was looking at two different proteins and the relationship between them so that is one type of research that you can do as well and so just think about your topic and think about where the gap is in the literature you have to read a lot to be able to find this and a question I get a lot emailed to me and directed to me is about this problem so how do I find a problem like how do i find a gap in literature and it's almost impossible for me to to give you any answers because i have to have read all the papers within your topic in order to answer that question which is almost impossible so it's something that you have to do independently and you can always discuss with me you can discuss kind of trying to refine that question but for the most part you need to read around your subject yourself to get that question then step number three is to actually write down your research question now this is usually in the form maybe of a hypothesis or maybe it could be just a you know a standalone question so this is just you saying this is what i'm looking at so i'm looking at whether actin and myosin bind together to have an impact on the motility of the cortex like that is my question and then i'll have a hypothesis saying actin and myosin bind together and they do this so this is just my question and you're just following on from your problem so you've identified your topic you found the problem the gap in literature and then you write down what your question is so what it is exactly that you are looking for and this will be like your guiding star this will be the thing the question the statement that you have at the top you know at the top of your mind whenever you are looking at literature whenever you're writing a literature review whenever you speak to someone you have that question in mind and so that needs to be something that's really well defined it should also be really specific so it can't just be saying is obesity caused by i don't know fatty food i'm just giving a random example that is too vague is obesity in children in male in female different ages what fatty foods what like you need to be very very specific so specific that someone else should be able to pick up your research question and know what it is you're looking at they need to be able to know sort of what methods you're using is it qualitative or is it quantitative what type of research are you actually doing that should really be in the research question so a good research question is one where that is really well defined then step number four is to write a research design so this is where you're kind of creating a bit of a method a bit of a process within a process so you are now writing down and you're now thinking about how you're going to conduct this research so to follow this will be the research proposal but at this stage here you're just thinking about your research design so how are you going to get this research done what are the factors that you need to think about who are the people the participants that you may need are you doing a lab-based thing do you need cells are you you know what do you need humans do you need animals is it just a review paper so do you just need to think about researchers out there what kind of study are you going to conduct in order to find out the results and the answer to your question essentially the research design is a practical framework so it's giving laying out that frame for you in order to answer your research question. And here, it's more of a thinking process. It's more of a discussion. You might want to ask your supervisor, you might want to ask your tutor to talk about it. How are we going to get the answer to this question? And then to finish off the research process, you now want to write a research proposal. And I have a really good video about this, and I'll leave the link for it down below, where you are detailing all the steps for your research so you're detailing your the background of your research the literature review and you're justifying that there is a need for this research you then want to detail your methods your materials the aim your you know your timeline how long it's going to take you to do these things and then that document is what you take with you to your supervisor and say look this is my research proposal you might take it to a potential phd supervisor and say look this is what i've found and this is what i'm really interested in and here is the proposal and you have it all outlined there for you or it's a document that you're able to use in order to build upon your dissertation and so if you're writing an essay dissertation you are able to use that as well so with your research proposal you are detailing the context you are detailing the purpose the plan and your aims the whole process going from finding a topic finding a problem finding the research question defining the actual research and then now you're compiling all of that and you're putting it into a document called the research proposal and all of this information is in there someone should be able to pick that up see what you found find the review of the literature and say right this is a good study this is a good bit of research we are going to approve this and then you can go on and plan the rest of your research so i hope this video helped you summarizing the steps of the research process to begin with and as i mentioned i'm going to be doing each of these five steps as single videos so i can expand on them and i'll make it into a playlist so you're able to sort of follow up and click on the next couple videos but for now i hope this did help with thinking about the research process and thinking about maybe what stage you are at if you are at any of them if you do want further support you can contact me on thepagedoctor.com where i give support and we have a team of consultants top consultants and top editors that can support you through the process of writing your research proposal or even through the post process of thinking about how you're going to find a gap in literature how you're going to find you know your hypothesis and define that for you so don't forget to leave me a comment and let me know if this was helpful and don't forget to leave me a thumbs up and subscribe to see more from me and I'll see you in my next one. Bye.
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Prof. William Scheideler at ECE Fall 2024 Colloquium
Nanomanufacturing of 2d oxides for scalable electronics and energy.
The future of ubiquitous electronics and energy systems call for rethinking how we design and sustainably manufacture devices combining sensing, energy harvesting, and computing. Scalable nanomanufacturing via printing technologies could deliver these multifunctional systems by allowing low-cost integration of nanoscale materials. In this talk we apply roll-based printing to address two fundamental challenges for scalable fabrication: 1) how to extend printing towards high performing ultrathin semiconductors and 2) how to design inks for large-scale ultra-uniformity. We focus on an emerging class of two-dimensional (2D) metal oxide semiconductors printed via a roll-based continuous Cabrera Mott surface oxidation of liquid metals. These wide bandgap 2D conducting oxides (In2O3, Ga2O3, etc.) are uniquely capable of driving large area technologies (displays, smart windows, etc) leveraging their high transparency and tunable electronic structure.
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- CBD 2024: Introduction to Stanford's 11th Annual Contemplation by Design Summit with Tia Rich, PhD
CBD 2024: Introduction to Stanford's 11th Annual Contemplation by Design Summit with Tia Rich, PhD
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The 2024 Contemplation by Design Summit offers 46 free sessions presenting the evidenced-based process of enhancing health and well-being for all through contemplative movement and stillness practices.
Join us to deepen your reservoir of skills that revitalize you and the people with whom you interact.
Learn from leading contemplative science researchers and teachers, while also delighting in developing practices that cultivate the resilience and wise compassion that supports individual and societal health and well-being, healing and transformation.
In this talk, Tia Rich, PhD, will provide an overview of the Stanford 2024 Contemplation by Design® Summit ’s 46 free sessions, offered in person or online from Oct. 23 - Nov. 3, 2024. Learn evidence-based contemplative practices that cultivate your capacity to thrive, create, and serve. Develop a personal Action Plan that will enrich your ability to contribute to the health and well-being of your community and country, as well as yourself.
The 2024 Summit offers revitalizing wisdom and practical resources to build a better future for all. Summit topics include research on contemplative practices for PEACE: Pausing, Exhaling, Attending mindfully, Connecting compassionately, and Expressing wise compassion.
Summit speakers include: Richard Davidson, Sharon Salzberg, Kristen Neff, Sara Lazar, Andrew Holecek, Richard Miller, Charles Junkerman, Manus Donahue, Ciaran Considine, Ron Epstein, Susan Aposhyn, Pilar Jennings, Roger Walsh, William Van Gordon, Al’ai Alvarez, Christine Forner, Valerie (Vimalasara) Mason-John, Gopi Kallayil, Jahnavi Harrison, Tia Rich, and Patricia June Vickers
Guided Contemplative Practices include: Loving-kindness Meditation with Sharon Salzberg, Self-compassion with Kristen Neff, Mindfulness of the Body with Sara Lazar, iRest Yoga Nidra with Richard Miller, Contemplative Movement and Stillness for Health and Well-being with Tia Rich, Life as Sacred Story with Patricia June Vickers, Healing Imagery with Pilar Jennings, Meditation for Opening with Andrew Holecek, Authenticity and Self-compassion as a Way to Find Professional Fulfillment with Al’ai Alvarez, A Continuum of Being: Contemplative Embodiment Practice and Embodied Meditation Practice with Susan Aposhyn, and Kirtan with Jahnavi Harrison and more skill-building opportunities.
Experience how contemplative practices strengthen our capacity to effectively engage in the complex and inspiring work of creating health and well-being for all individuals, communities, countries, and the planet. “iPause to Thrive, Create, and Serve” describes the lives of people who integrate the knowledge and skills cultivated by the Stanford Contemplation by Design programs .
Tia Rich, PhD, MA, MSW , is the founder and director of the Stanford School of Medicine’s Contemplation by Design® program. As the principal lecturer for the School of Medicine’s Applied Contemplative Science concentration in Community Health and Prevention Research, Rich teaches and mentors Stanford undergraduate and graduate students. Academic classes she teaches include: Contemplative Science , Applying Contemplative Practices , Contemplative Competence for Sustainability of Public and Planetary Health and Well-being , Contemplative Movement , and Translating Contemplative Science into Timely Community Programming . She also teaches co-curricular classes through the Stanford Healthy Living program, including the "The Power of the Pause" contemplative retreat for faculty, staff, students, and community members. She has been integrating contemplative science and practices into Stanford academic classes and professional development programs since her completion of graduate studies in Social Welfare at UC Berkeley, and in Education at Stanford, after earning her undergraduate degree in Human Biology at Stanford.
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Sei digital library, latest publications, embracing ai: unlocking scalability and transformation through generative text, imagery, and synthetic audio, august 28, 2024 • webcast, by tyler brooks , shannon gallagher , dominic a. ross.
In this webcast, Tyler Brooks, Shannon Gallagher, and Dominic Ross aim to demystify AI and illustrate its transformative power in achieving scalability, adapting to changing landscapes, and driving digital innovation.
Counter AI: What Is It and What Can You Do About It?
August 27, 2024 • white paper, by nathan m. vanhoudnos , carol j. smith , matt churilla , shing-hon lau , lauren mcilvenny , greg touhill.
This paper describes counter artificial intelligence (AI) and provides recommendations on what can be done about it.
Using Quality Attribute Scenarios for ML Model Test Case Generation
August 27, 2024 • conference paper, by rachel brower-sinning , grace lewis , sebastián echeverría , ipek ozkaya.
This paper presents an approach based on quality attribute (QA) scenarios to elicit and define system- and model-relevant test cases for ML models.
3 API Security Risks (and How to Protect Against Them)
August 27, 2024 • podcast, by mckinley sconiers-hasan.
McKinley Sconiers-Hasan discusses three API risks and how to address them through the lens of zero trust.
Lessons Learned in Coordinated Disclosure for Artificial Intelligence and Machine Learning Systems
August 20, 2024 • white paper, by allen d. householder , vijay s. sarvepalli , jeff havrilla , matt churilla , lena pons , shing-hon lau , nathan m. vanhoudnos , andrew kompanek , lauren mcilvenny.
In this paper, the authors describe lessons learned from coordinating AI and ML vulnerabilities at the SEI's CERT/CC.
On the Design, Development, and Testing of Modern APIs
July 30, 2024 • white paper, by alejandro gomez , alex vesey.
This white paper discusses the design, desired qualities, development, testing, support, and security of modern application programming interfaces (APIs).
Evaluating Large Language Models for Cybersecurity Tasks: Challenges and Best Practices
July 26, 2024 • podcast, by jeff gennari , samuel j. perl.
Jeff Gennari and Sam Perl discuss applications for LLMs in cybersecurity, potential challenges, and recommendations for evaluating LLMs.
Capability-based Planning for Early-Stage Software Development
July 24, 2024 • podcast, by anandi hira , bill nichols.
This SEI podcast introduces capability-based planning (CBP) and its use and application in software acquisition.
A Model Problem for Assurance Research: An Autonomous Humanitarian Mission Scenario
July 23, 2024 • technical note, by gabriel moreno , anton hristozov , john e. robert , mark h. klein.
This report describes a model problem to support research in large-scale assurance.
Safeguarding Against Recent Vulnerabilities Related to Rust
June 28, 2024 • podcast, by david svoboda.
David Svoboda discusses two vulnerabilities related to Rust, their sources, and how to mitigate them.
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A research design is a strategy for answering your research question using empirical data. Creating a research design means making decisions about: Your overall research objectives and approach. Whether you'll rely on primary research or secondary research. Your sampling methods or criteria for selecting subjects. Your data collection methods.
Step 2: Choose a type of research design. Step 3: Identify your population and sampling method. Step 4: Choose your data collection methods. Step 5: Plan your data collection procedures. Step 6: Decide on your data analysis strategies. Frequently asked questions. Introduction. Step 1. Step 2.
Step 2: Data Type you Need for Research. Decide on the type of data you need for your research. The type of data you need to collect depends on your research questions or research hypothesis. Two types of research data can be used to answer the research questions: Primary Data Vs. Secondary Data.
Research design refers to the overall plan, structure or strategy that guides a research project, from its conception to the final analysis of data. Research designs for quantitative studies include descriptive, correlational, experimental and quasi-experimenta l designs. Research designs for qualitative studies include phenomenological ...
Research design is the blueprint or the framework for conducting a study that outlines the methods, procedures, techniques, and tools for data collection and analysis. Some of the key purposes of research design include: Providing a clear and concise plan of action for the research study.
Research design methods refer to the systematic approaches and techniques used to plan, structure, and conduct a research study. The choice of research design method depends on the research questions, objectives, and the nature of the study. Here are some key research design methods commonly used in various fields: 1.
Research design elements include the following: Clear purpose: The research question or hypothesis must be clearly defined and focused. Sampling: This includes decisions about sample size, sampling method, and criteria for inclusion or exclusion. The approach varies for different research design types.
Types of Research Design. • Quantitative Research: Focuses on numerical data and statistical analysis to quantify relationships and patterns. Common methods include surveys, experiments, and observational studies. • Qualitative Research: Emphasizes understanding phenomena through in-depth exploration and interpretation of non-numerical data.
Before beginning your paper, you need to decide how you plan to design the study.. The research design refers to the overall strategy and analytical approach that you have chosen in order to integrate, in a coherent and logical way, the different components of the study, thus ensuring that the research problem will be thoroughly investigated. It constitutes the blueprint for the collection ...
In short, a good research design helps us to structure our research. Marketers use different types of research design when conducting research. There are four common types of research design — descriptive, correlational, experimental, and diagnostic designs. Let's take a look at each in more detail.
The priorities of a research design can vary depending on the field, but you usually have to specify: Your research questions and/or hypotheses. Your overall approach (e.g., qualitative or quantitative) The type of design you're using (e.g., a survey, experiment, or case study) Your sampling methods or criteria for selecting subjects.
Introduction. A research design in qualitative research is a critical framework that guides the methodological approach to studying complex social phenomena. Qualitative research designs determine how data is collected, analyzed, and interpreted, ensuring that the research captures participants' nuanced and subjective perspectives.
research involves philosophical assumptions as well as distinct methods or procedures. Research design, which I refer to as the plan or proposal to conduct research, involves the intersection of philosophy, strategies of inquiry, and specific methods. A framework that I use to explain the inter-action of these three components is seen in Figure ...
Most frequently used methods include: Observation / Participant Observation. Surveys. Interviews. Focus Groups. Experiments. Secondary Data Analysis / Archival Study. Mixed Methods (combination of some of the above) One particular method could be better suited to your research goal than others, because the data you collect from different ...
Step 1: Define your variables. You should begin with a specific research question. We will work with two research question examples, one from health sciences and one from ecology: Example question 1: Phone use and sleep. You want to know how phone use before bedtime affects sleep patterns.
Research design is the framework of research methods and techniques chosen by a researcher to conduct a study. The design allows researchers to sharpen the research methods suitable for the subject matter and set up their studies for success. Creating a research topic explains the type of research (experimental,survey research,correlational ...
Research design plays a crucial role in conducting scientific studies and gaining meaningful insights. A well-designed research enhances the validity and reliability of the findings and allows for the replication of studies by other researchers. This comprehensive guide will provide an in-depth understanding of research design, its key ...
Research Design. According to Jenkins-Smith, et al. (2017), a research design is the set of steps you take to collect and analyze your research data. In other words, it is the general plan to answer your research topic or question. You can also think of it as a combination of your research methodology and your research method.
The research design refers to the overall strategy that you choose to integrate the different components of the study in a coherent and logical way, thereby, ensuring you will effectively address the research problem; it constitutes the blueprint for the collection, measurement, and analysis of data. ...
You can choose an effective research design by considering your research problem, which is the specific topic or knowledge gap that your research aims to address. Usually, researchers include their research question and research design selection in the introduction of their research paper. Related: Types of Research: Definitions and Examples
for validity and reliability. Design is basically concerned with the aims, uses, purposes, intentions and plans within the. pr actical constraint of location, time, money and the researcher's ...
Use a draft that lists all the sub-sections you need to address in the research design. Be clear and concise. The research design should not include your opinions. It must show the reader an exact description of the way you conducted your study. Revise Your Research Design After Some Time Away.
Research design is the plan, structure and strategy and investigation concaved so as to obtain search question and control variance" (Borwankar, 1995). ... The end part should include the ...
In addition to the research problem, the introduction should provide the main argument and theoretical framework of the study and, in the last paragraphs of the introduction, describe what the author(s) intend to accomplish. Questions to consider when reading the introduction include: What is this study trying to prove or disprove?
Research Design and Method. This part of your proposal outlines the practical steps you'll take to answer your research questions: Type of Research: ... Just like any academic paper, your research proposal needs to include citations for all the sources you've referenced. Whether you call it a references list or a bibliography, the idea is ...
Discover the essential steps of the research process in this beginner's guide. Learn how to choose a research topic, identify gaps in literature, formulate research questions, design your study, and write a compelling research proposal. Perfect for students and researchers at any stage.
The research design is more like the general plan of your research. But your research methodology includes your population (and why you intend to research these people), sample size (and how you ...
His research interests include nanomanufacturing and 2D materials for electronics and energy applications. In 2023, Scheideler was a recipient of the SME Outstanding Young Manufacturing Engineer Award recognizing his research in advanced manufacturing.
The 2024 Contemplation by Design Summit offers 46 free sessions presenting the evidenced-based process of enhancing health and well-being for all through contemplative movement and stillness practices. Join us to deepen your reservoir of skills that revitalize you and the people with whom you interact. Learn from leading contemplative science researchers and teachers, while also delighting in ...
The SEI Digital Library provides access to more than 6,000 documents from three decades of research into best practices in software engineering. These documents include technical reports, presentations, webcasts, podcasts and other materials searchable by user-supplied keywords and organized by topic, publication type, publication year, and author.