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• Introduction

The case study creation process

Types of case studies, benefits and limitations.

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case study , detailed description and assessment of a specific situation in the real world created for the purpose of deriving generalizations and other insights from it. A case study can be about an individual, a group of people, an organization, or an event, among other subjects.

By focusing on a specific subject in its natural setting, a case study can help improve understanding of the broader features and processes at work. Case studies are a research method used in multiple fields, including business, criminology , education , medicine and other forms of health care, anthropology , political science , psychology , and social work . Data in case studies can be both qualitative and quantitative. Unlike experiments, where researchers control and manipulate situations, case studies are considered to be “naturalistic” because subjects are studied in their natural context . ( See also natural experiment .)

The creation of a case study typically involves the following steps:

• The research question to be studied is defined, informed by existing literature and previous research. Researchers should clearly define the scope of the case, and they should compile a list of evidence to be collected as well as identify the nature of insights that they expect to gain from the case study.
• Once the case is identified, the research team is given access to the individual, organization, or situation being studied. Individuals are informed of risks associated with participation and must provide their consent , which may involve signing confidentiality or anonymity agreements.
• Researchers then collect evidence using multiple methods, which may include qualitative techniques, such as interviews, focus groups , and direct observations, as well as quantitative methods, such as surveys, questionnaires, and data audits. The collection procedures need to be well defined to ensure the relevance and accuracy of the evidence.
• The collected evidence is analyzed to come up with insights. Each data source must be reviewed carefully by itself and in the larger context of the case study so as to ensure continued relevance. At the same time, care must be taken not to force the analysis to fit (potentially preconceived) conclusions. While the eventual case study may serve as the basis for generalizations, these generalizations must be made cautiously to ensure that specific nuances are not lost in the averages.
• Finally, the case study is packaged for larger groups and publication. At this stage some information may be withheld, as in business case studies, to allow readers to draw their own conclusions. In scientific fields, the completed case study needs to be a coherent whole, with all findings and statistical relationships clearly documented.

Case studies have been used as a research method across multiple fields. They are particularly popular in the fields of law, business, and employee training; they typically focus on a problem that an individual or organization is facing. The situation is presented in considerable detail, often with supporting data, to discussion participants, who are asked to make recommendations that will solve the stated problem. The business case study as a method of instruction was made popular in the 1920s by instructors at Harvard Business School who adapted an approach used at Harvard Law School in which real-world cases were used in classroom discussions. Other business and law schools started compiling case studies as teaching aids for students. In a business school case study, students are not provided with the complete list of facts pertaining to the topic and are thus forced to discuss and compare their perspectives with those of their peers to recommend solutions.

In criminology , case studies typically focus on the lives of an individual or a group of individuals. These studies can provide particularly valuable insight into the personalities and motives of individual criminals, but they may suffer from a lack of objectivity on the part of the researchers (typically because of the researchers’ biases when working with people with a criminal history), and their findings may be difficult to generalize.

In sociology , the case-study method was developed by Frédéric Le Play in France during the 19th century. This approach involves a field worker staying with a family for a period of time, gathering data on the family members’ attitudes and interactions and on their income, expenditures, and physical possessions. Similar approaches have been used in anthropology . Such studies can sometimes continue for many years.

Case studies provide insight into situations that involve a specific entity or set of circumstances. They can be beneficial in helping to explain the causal relationships between quantitative indicators in a field of study, such as what drives a company’s market share. By introducing real-world examples, they also plunge the reader into an actual, concrete situation and make the concepts real rather than theoretical. They also help people study rare situations that they might not otherwise experience.

Because case studies are in a “naturalistic” environment , they are limited in terms of research design: researchers lack control over what they are studying, which means that the results often cannot be reproduced. Also, care must be taken to stay within the bounds of the research question on which the case study is focusing. Other limitations to case studies revolve around the data collected. It may be difficult, for instance, for researchers to organize the large volume of data that can emerge from the study, and their analysis of the data must be carefully thought through to produce scientifically valid insights. The research methodology used to generate these insights is as important as the insights themselves, for the latter need to be seen in the proper context. Taken out of context, they may lead to erroneous conclusions. Like all scientific studies, case studies need to be approached objectively; personal bias or opinion may skew the research methods as well as the results. ( See also confirmation bias .)

Business case studies in particular have been criticized for approaching a problem or situation from a narrow perspective. Students are expected to come up with solutions for a problem based on the data provided. However, in real life, the situation is typically reversed: business managers face a problem and must then look for data to help them solve it.

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The History of the Case Study at Harvard Business School

• 28 Feb 2017

Many first-time HBS Online participants are surprised to learn that, often, the professor is not at the center of their learning experience. Instead of long faculty lectures, the HBS Online learning model centers on smaller, more digestible pieces of content that require participants to interact with each other, test concepts, and learn from real-world examples.

Often, the professor fades into the background and lets the focus shift to interviews with executives, industry leaders, and small business owners. Some students might be left thinking, "Wait, where did that professor go? Why am I learning about a grocery store in Harvard Square?"

In the words of The Hitchhiker's Guide to the Galaxy , “Don’t panic.” These interviews, or cases, feature leaders at companies of all sizes and provide valuable examples of business concepts in action. This case study method forms the backbone of the Harvard Business School curriculum.

Back in the 1920s, HBS professors decided to develop and experiment with innovative and unique business instruction methods. As the first school in the world to design a signature, distinctive program in business, later to be called the MBA, there was a need for a teaching method that would benefit this novel approach.

HBS professors selected and took a few pages to summarize recent events, momentous challenges, strategic planning, and important decisions undertaken by major companies and organizations. The idea was, and remains to this day, that through direct contact with a real-world case, students will think independently about those facts, discuss and compare their perspectives and findings with their peers, and eventually discover a new concept on their own.

Central to the case method is the idea that students are not provided the "answer" or resolution to the problem at hand. Instead, just like a board member, CEO, or manager, the student is forced to analyze a situation and find solutions without full knowledge of all methods and facts. Without excluding more traditional aspects, such as interaction with professors and textbooks, the case method provides the student with the opportunity to think and act like managers.

Since 1924, the case method has been the most widely applied and successful teaching instrument to come out of HBS, and it is used today in almost all MBA and Executive Education courses there, as well as in hundreds of other top business schools around the world. The application of the case method is so extensive that HBS students will often choose to rely on cases, instead of textbooks or other material, for their research. Large corporations use the case method as well to approach their own challenges, while competing universities create their own versions for their students.

This is what the case method does—it puts students straight into the game, and ensures they acquire not just skills and abstract knowledge, but also a solid understanding of the outside world.

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The Case Study Teaching Method

It is easy to get confused between the case study method and the case method , particularly as it applies to legal education. The case method in legal education was invented by Christopher Columbus Langdell, Dean of Harvard Law School from 1870 to 1895. Langdell conceived of a way to systematize and simplify legal education by focusing on previous case law that furthered principles or doctrines. To that end, Langdell wrote the first casebook, entitled A Selection of Cases on the Law of Contracts , a collection of settled cases that would illuminate the current state of contract law. Students read the cases and came prepared to analyze them during Socratic question-and-answer sessions in class.

The Harvard Business School case study approach grew out of the Langdellian method. But instead of using established case law, business professors chose real-life examples from the business world to highlight and analyze business principles. HBS-style case studies typically consist of a short narrative (less than 25 pages), told from the point of view of a manager or business leader embroiled in a dilemma. Case studies provide readers with an overview of the main issue; background on the institution, industry, and individuals involved; and the events that led to the problem or decision at hand. Cases are based on interviews or public sources; sometimes, case studies are disguised versions of actual events or composites based on the faculty authors’ experience and knowledge of the subject. Cases are used to illustrate a particular set of learning objectives; as in real life, rarely are there precise answers to the dilemma at hand.

Our suite of free materials offers a great introduction to the case study method. We also offer review copies of our products free of charge to educators and staff at degree-granting institutions.

For more information on the case study teaching method, see:

• Martha Minow and Todd Rakoff: A Case for Another Case Method
• HLS Case Studies Blog: Legal Education’s 9 Big Ideas
• Teaching Units: Problem Solving , Advanced Problem Solving , Skills , Decision Making and Leadership , Professional Development for Law Firms , Professional Development for In-House Counsel
• Educator Community: Tips for Teachers

Watch this informative video about the Problem-Solving Workshop:

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Case Method 100 Years

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Celebrating 100 Years of Case Method Teaching & Learning

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The First Case: General Shoe Company

10 may 1922, the case system named.

Universities Adopt HBS Casebooks

Case Research Funded at General Electric

Case Method Catches On

Business Schools Debate Use of the Case Method

Teaching by the Case Method at Radcliffe

15K Cases Produced in 18 Years

Case Method Flexibility Allows for Transition to Wartime Curriculum

600 Cases Written for Military

Industrial Films Introduced in the Classroom

Task force created for case writers, office of case development established, 11 jun 1953.

Aldrich Hall Dedicated

Summer Case Writing Programs Begins

The Case Method Goes Global

Number of Cases and Collections in Print Grows

Annual Goal Set for Case Writing

Groundbreaking Case Series on Swiss Watch Industry

Cases Jump from Paper to Screen

First Directory of Cases Published with 32 Business Schools

Intercollegiate Clearing House for the Distribution of Cases Developed

Learning to Teach by the Case Method

Intercollegiate case bibliography volume iv published.

Experimenting with Case Discussion Simulator

Stimulating Global Case Development

Case clearing house sells enough to break even.

Dynamic Case Series Introduced

Case Method Enters Digital Era

Ford foundation grant supports case materials in developing countries.

First Use of “Tele-Case Discussions”

Prolific Case Author Ruth Hetherston Retires

Ford foundation supports case method teachers.

AASU Founded with Call for More Black Case Protagonists

Doctoral Students Introduced to Case Method Teaching

Cases grouped in course modules.

Using Personal Computers to Analyze Case Materials

Case publishing shifts to computer fulfillment.

Teaching by the Case Method Published

Christensen named university professor.

Work Begins to Put 7K Active Cases Online

Harvard Business School Publishing Created

First Multi-media Case on Pacific Dunlop

Educational technology group founded.

California Research Center Established

Executive Education Establishes Research & Development Group

Making a case for women, research & development focuses on international cases, christensen center founded.

HBS Turns 100 and Looks to the Future of the Case Method

Shanghai Center Opens

HBS Online Introduced

Global research group becomes case research & writing group (crg).

Cold Call Podcast Launched

Collection of cases featuring women developed.

Bringing the Case Method Online During COVID-19 Pandemic

Racial equity plan calls for more black protagonists in case studies.

Celebrating 100 Years of the Case Method

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• What Is a Case Study? | Definition, Examples & Methods

What Is a Case Study? | Definition, Examples & Methods

Published on May 8, 2019 by Shona McCombes . Revised on November 20, 2023.

A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research.

A case study research design usually involves qualitative methods , but quantitative methods are sometimes also used. Case studies are good for describing , comparing, evaluating and understanding different aspects of a research problem .

Table of contents

When to do a case study, step 1: select a case, step 2: build a theoretical framework, step 3: collect your data, step 4: describe and analyze the case, other interesting articles.

A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case.

Case studies are often a good choice in a thesis or dissertation . They keep your project focused and manageable when you don’t have the time or resources to do large-scale research.

You might use just one complex case study where you explore a single subject in depth, or conduct multiple case studies to compare and illuminate different aspects of your research problem.

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Once you have developed your problem statement and research questions , you should be ready to choose the specific case that you want to focus on. A good case study should have the potential to:

• Provide new or unexpected insights into the subject
• Challenge or complicate existing assumptions and theories
• Propose practical courses of action to resolve a problem
• Open up new directions for future research

TipIf your research is more practical in nature and aims to simultaneously investigate an issue as you solve it, consider conducting action research instead.

Unlike quantitative or experimental research , a strong case study does not require a random or representative sample. In fact, case studies often deliberately focus on unusual, neglected, or outlying cases which may shed new light on the research problem.

Example of an outlying case studyIn the 1960s the town of Roseto, Pennsylvania was discovered to have extremely low rates of heart disease compared to the US average. It became an important case study for understanding previously neglected causes of heart disease.

However, you can also choose a more common or representative case to exemplify a particular category, experience or phenomenon.

Example of a representative case studyIn the 1920s, two sociologists used Muncie, Indiana as a case study of a typical American city that supposedly exemplified the changing culture of the US at the time.

While case studies focus more on concrete details than general theories, they should usually have some connection with theory in the field. This way the case study is not just an isolated description, but is integrated into existing knowledge about the topic. It might aim to:

• Exemplify a theory by showing how it explains the case under investigation
• Expand on a theory by uncovering new concepts and ideas that need to be incorporated
• Challenge a theory by exploring an outlier case that doesn’t fit with established assumptions

To ensure that your analysis of the case has a solid academic grounding, you should conduct a literature review of sources related to the topic and develop a theoretical framework . This means identifying key concepts and theories to guide your analysis and interpretation.

There are many different research methods you can use to collect data on your subject. Case studies tend to focus on qualitative data using methods such as interviews , observations , and analysis of primary and secondary sources (e.g., newspaper articles, photographs, official records). Sometimes a case study will also collect quantitative data.

Example of a mixed methods case studyFor a case study of a wind farm development in a rural area, you could collect quantitative data on employment rates and business revenue, collect qualitative data on local people’s perceptions and experiences, and analyze local and national media coverage of the development.

The aim is to gain as thorough an understanding as possible of the case and its context.

In writing up the case study, you need to bring together all the relevant aspects to give as complete a picture as possible of the subject.

How you report your findings depends on the type of research you are doing. Some case studies are structured like a standard scientific paper or thesis , with separate sections or chapters for the methods , results and discussion .

Others are written in a more narrative style, aiming to explore the case from various angles and analyze its meanings and implications (for example, by using textual analysis or discourse analysis ).

In all cases, though, make sure to give contextual details about the case, connect it back to the literature and theory, and discuss how it fits into wider patterns or debates.

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.

• Normal distribution
• Degrees of freedom
• Null hypothesis
• Discourse analysis
• Control groups
• Mixed methods research
• Non-probability sampling
• Quantitative research
• Ecological validity

Research bias

• Rosenthal effect
• Implicit bias
• Cognitive bias
• Selection bias
• Negativity bias
• Status quo bias

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Case Study Research Method in Psychology

Saul McLeod, PhD

Editor-in-Chief for Simply Psychology

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Saul McLeod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.

Learn about our Editorial Process

Olivia Guy-Evans, MSc

Associate Editor for Simply Psychology

BSc (Hons) Psychology, MSc Psychology of Education

Olivia Guy-Evans is a writer and associate editor for Simply Psychology. She has previously worked in healthcare and educational sectors.

On This Page:

Case studies are in-depth investigations of a person, group, event, or community. Typically, data is gathered from various sources using several methods (e.g., observations & interviews).

The case study research method originated in clinical medicine (the case history, i.e., the patient’s personal history). In psychology, case studies are often confined to the study of a particular individual.

The information is mainly biographical and relates to events in the individual’s past (i.e., retrospective), as well as to significant events that are currently occurring in his or her everyday life.

The case study is not a research method, but researchers select methods of data collection and analysis that will generate material suitable for case studies.

Freud (1909a, 1909b) conducted very detailed investigations into the private lives of his patients in an attempt to both understand and help them overcome their illnesses.

This makes it clear that the case study is a method that should only be used by a psychologist, therapist, or psychiatrist, i.e., someone with a professional qualification.

There is an ethical issue of competence. Only someone qualified to diagnose and treat a person can conduct a formal case study relating to atypical (i.e., abnormal) behavior or atypical development.

 Famous Case Studies

• Anna O – One of the most famous case studies, documenting psychoanalyst Josef Breuer’s treatment of “Anna O” (real name Bertha Pappenheim) for hysteria in the late 1800s using early psychoanalytic theory.
• Little Hans – A child psychoanalysis case study published by Sigmund Freud in 1909 analyzing his five-year-old patient Herbert Graf’s house phobia as related to the Oedipus complex.
• Bruce/Brenda – Gender identity case of the boy (Bruce) whose botched circumcision led psychologist John Money to advise gender reassignment and raise him as a girl (Brenda) in the 1960s.
• Genie Wiley – Linguistics/psychological development case of the victim of extreme isolation abuse who was studied in 1970s California for effects of early language deprivation on acquiring speech later in life.
• Phineas Gage – One of the most famous neuropsychology case studies analyzes personality changes in railroad worker Phineas Gage after an 1848 brain injury involving a tamping iron piercing his skull.

Clinical Case Studies

• Studying the effectiveness of psychotherapy approaches with an individual patient
• Assessing and treating mental illnesses like depression, anxiety disorders, PTSD
• Neuropsychological cases investigating brain injuries or disorders

Child Psychology Case Studies

• Studying psychological development from birth through adolescence
• Cases of learning disabilities, autism spectrum disorders, ADHD
• Effects of trauma, abuse, deprivation on development

Types of Case Studies

• Explanatory case studies : Used to explore causation in order to find underlying principles. Helpful for doing qualitative analysis to explain presumed causal links.
• Exploratory case studies : Used to explore situations where an intervention being evaluated has no clear set of outcomes. It helps define questions and hypotheses for future research.
• Descriptive case studies : Describe an intervention or phenomenon and the real-life context in which it occurred. It is helpful for illustrating certain topics within an evaluation.
• Multiple-case studies : Used to explore differences between cases and replicate findings across cases. Helpful for comparing and contrasting specific cases.
• Intrinsic : Used to gain a better understanding of a particular case. Helpful for capturing the complexity of a single case.
• Collective : Used to explore a general phenomenon using multiple case studies. Helpful for jointly studying a group of cases in order to inquire into the phenomenon.

Where Do You Find Data for a Case Study?

There are several places to find data for a case study. The key is to gather data from multiple sources to get a complete picture of the case and corroborate facts or findings through triangulation of evidence. Most of this information is likely qualitative (i.e., verbal description rather than measurement), but the psychologist might also collect numerical data.

1. Primary sources

• Interviews – Interviewing key people related to the case to get their perspectives and insights. The interview is an extremely effective procedure for obtaining information about an individual, and it may be used to collect comments from the person’s friends, parents, employer, workmates, and others who have a good knowledge of the person, as well as to obtain facts from the person him or herself.
• Observations – Observing behaviors, interactions, processes, etc., related to the case as they unfold in real-time.
• Documents & Records – Reviewing private documents, diaries, public records, correspondence, meeting minutes, etc., relevant to the case.

2. Secondary sources

• News/Media – News coverage of events related to the case study.
• Academic articles – Journal articles, dissertations etc. that discuss the case.
• Government reports – Official data and records related to the case context.
• Books/films – Books, documentaries or films discussing the case.

3. Archival records

Searching historical archives, museum collections and databases to find relevant documents, visual/audio records related to the case history and context.

Public archives like newspapers, organizational records, photographic collections could all include potentially relevant pieces of information to shed light on attitudes, cultural perspectives, common practices and historical contexts related to psychology.

4. Organizational records

Organizational records offer the advantage of often having large datasets collected over time that can reveal or confirm psychological insights.

Of course, privacy and ethical concerns regarding confidential data must be navigated carefully.

However, with proper protocols, organizational records can provide invaluable context and empirical depth to qualitative case studies exploring the intersection of psychology and organizations.

• Organizational/industrial psychology research : Organizational records like employee surveys, turnover/retention data, policies, incident reports etc. may provide insight into topics like job satisfaction, workplace culture and dynamics, leadership issues, employee behaviors etc.
• Clinical psychology : Therapists/hospitals may grant access to anonymized medical records to study aspects like assessments, diagnoses, treatment plans etc. This could shed light on clinical practices.
• School psychology : Studies could utilize anonymized student records like test scores, grades, disciplinary issues, and counseling referrals to study child development, learning barriers, effectiveness of support programs, and more.

How do I Write a Case Study in Psychology?

Follow specified case study guidelines provided by a journal or your psychology tutor. General components of clinical case studies include: background, symptoms, assessments, diagnosis, treatment, and outcomes. Interpreting the information means the researcher decides what to include or leave out. A good case study should always clarify which information is the factual description and which is an inference or the researcher’s opinion.

1. Introduction

• Provide background on the case context and why it is of interest, presenting background information like demographics, relevant history, and presenting problem.
• Compare briefly to similar published cases if applicable. Clearly state the focus/importance of the case.

2. Case Presentation

• Describe the presenting problem in detail, including symptoms, duration,and impact on daily life.
• Include client demographics like age and gender, information about social relationships, and mental health history.
• Describe all physical, emotional, and/or sensory symptoms reported by the client.
• Use patient quotes to describe the initial complaint verbatim. Follow with full-sentence summaries of relevant history details gathered, including key components that led to a working diagnosis.
• Summarize clinical exam results, namely orthopedic/neurological tests, imaging, lab tests, etc. Note actual results rather than subjective conclusions. Provide images if clearly reproducible/anonymized.
• Clearly state the working diagnosis or clinical impression before transitioning to management.

3. Management and Outcome

• Indicate the total duration of care and number of treatments given over what timeframe. Use specific names/descriptions for any therapies/interventions applied.
• Present the results of the intervention,including any quantitative or qualitative data collected.
• For outcomes, utilize visual analog scales for pain, medication usage logs, etc., if possible. Include patient self-reports of improvement/worsening of symptoms. Note the reason for discharge/end of care.

4. Discussion

• Analyze the case, exploring contributing factors, limitations of the study, and connections to existing research.
• Analyze the effectiveness of the intervention,considering factors like participant adherence, limitations of the study, and potential alternative explanations for the results.
• Identify any questions raised in the case analysis and relate insights to established theories and current research if applicable. Avoid definitive claims about physiological explanations.
• Offer clinical implications, and suggest future research directions.

5. Additional Items

• Thank specific assistants for writing support only. No patient acknowledgments.
• References should directly support any key claims or quotes included.
• Use tables/figures/images only if substantially informative. Include permissions and legends/explanatory notes.
• Provides detailed (rich qualitative) information.
• Provides insight for further research.
• Permitting investigation of otherwise impractical (or unethical) situations.

Case studies allow a researcher to investigate a topic in far more detail than might be possible if they were trying to deal with a large number of research participants (nomothetic approach) with the aim of ‘averaging’.

Because of their in-depth, multi-sided approach, case studies often shed light on aspects of human thinking and behavior that would be unethical or impractical to study in other ways.

Research that only looks into the measurable aspects of human behavior is not likely to give us insights into the subjective dimension of experience, which is important to psychoanalytic and humanistic psychologists.

Case studies are often used in exploratory research. They can help us generate new ideas (that might be tested by other methods). They are an important way of illustrating theories and can help show how different aspects of a person’s life are related to each other.

The method is, therefore, important for psychologists who adopt a holistic point of view (i.e., humanistic psychologists ).

Limitations

• Lacking scientific rigor and providing little basis for generalization of results to the wider population.
• Researchers’ own subjective feelings may influence the case study (researcher bias).
• Difficult to replicate.
• Time-consuming and expensive.
• The volume of data, together with the time restrictions in place, impacted the depth of analysis that was possible within the available resources.

Because a case study deals with only one person/event/group, we can never be sure if the case study investigated is representative of the wider body of “similar” instances. This means the conclusions drawn from a particular case may not be transferable to other settings.

Because case studies are based on the analysis of qualitative (i.e., descriptive) data , a lot depends on the psychologist’s interpretation of the information she has acquired.

This means that there is a lot of scope for Anna O , and it could be that the subjective opinions of the psychologist intrude in the assessment of what the data means.

For example, Freud has been criticized for producing case studies in which the information was sometimes distorted to fit particular behavioral theories (e.g., Little Hans ).

This is also true of Money’s interpretation of the Bruce/Brenda case study (Diamond, 1997) when he ignored evidence that went against his theory.

Breuer, J., & Freud, S. (1895).  Studies on hysteria . Standard Edition 2: London.

Curtiss, S. (1981). Genie: The case of a modern wild child .

Diamond, M., & Sigmundson, K. (1997). Sex Reassignment at Birth: Long-term Review and Clinical Implications. Archives of Pediatrics & Adolescent Medicine , 151(3), 298-304

Freud, S. (1909a). Analysis of a phobia of a five year old boy. In The Pelican Freud Library (1977), Vol 8, Case Histories 1, pages 169-306

Freud, S. (1909b). Bemerkungen über einen Fall von Zwangsneurose (Der “Rattenmann”). Jb. psychoanal. psychopathol. Forsch ., I, p. 357-421; GW, VII, p. 379-463; Notes upon a case of obsessional neurosis, SE , 10: 151-318.

Harlow J. M. (1848). Passage of an iron rod through the head.  Boston Medical and Surgical Journal, 39 , 389–393.

Harlow, J. M. (1868).  Recovery from the Passage of an Iron Bar through the Head .  Publications of the Massachusetts Medical Society. 2  (3), 327-347.

Money, J., & Ehrhardt, A. A. (1972).  Man & Woman, Boy & Girl : The Differentiation and Dimorphism of Gender Identity from Conception to Maturity. Baltimore, Maryland: Johns Hopkins University Press.

Money, J., & Tucker, P. (1975). Sexual signatures: On being a man or a woman.

Further Information

• Case Study Approach
• Case Study Method
• Enhancing the Quality of Case Studies in Health Services Research
• “We do things together” A case study of “couplehood” in dementia
• Using mixed methods for evaluating an integrative approach to cancer care: a case study

15 Famous Experiments and Case Studies in Psychology

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

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Psychology has seen thousands upon thousands of research studies over the years. Most of these studies have helped shape our current understanding of human thoughts, behavior, and feelings.

The psychology case studies in this list are considered classic examples of psychological case studies and experiments, which are still being taught in introductory psychology courses up to this day.

Some studies, however, were downright shocking and controversial that you’d probably wonder why such studies were conducted back in the day. Imagine participating in an experiment for a small reward or extra class credit, only to be left scarred for life. These kinds of studies, however, paved the way for a more ethical approach to studying psychology and implementation of research standards such as the use of debriefing in psychology research .

Case Study vs. Experiment

Before we dive into the list of the most famous studies in psychology, let us first review the difference between case studies and experiments.

• It is an in-depth study and analysis of an individual, group, community, or phenomenon. The results of a case study cannot be applied to the whole population, but they can provide insights for further studies.
• It often uses qualitative research methods such as observations, surveys, and interviews.
• It is often conducted in real-life settings rather than in controlled environments.
• An experiment is a type of study done on a sample or group of random participants, the results of which can be generalized to the whole population.
• It often uses quantitative research methods that rely on numbers and statistics.
• It is conducted in controlled environments, wherein some things or situations are manipulated.

See Also: Experimental vs Observational Studies

Famous Experiments in Psychology

1. the marshmallow experiment.

Psychologist Walter Mischel conducted the marshmallow experiment at Stanford University in the 1960s to early 1970s. It was a simple test that aimed to define the connection between delayed gratification and success in life.

The instructions were fairly straightforward: children ages 4-6 were presented a piece of marshmallow on a table and they were told that they would receive a second piece if they could wait for 15 minutes without eating the first marshmallow.

About one-third of the 600 participants succeeded in delaying gratification to receive the second marshmallow. Mischel and his team followed up on these participants in the 1990s, learning that those who had the willpower to wait for a larger reward experienced more success in life in terms of SAT scores and other metrics.

This case study also supported self-control theory , a theory in criminology that holds that people with greater self-control are less likely to end up in trouble with the law!

The classic marshmallow experiment, however, was debunked in a 2018 replication study done by Tyler Watts and colleagues.

This more recent experiment had a larger group of participants (900) and a better representation of the general population when it comes to race and ethnicity. In this study, the researchers found out that the ability to wait for a second marshmallow does not depend on willpower alone but more so on the economic background and social status of the participants.

2. The Bystander Effect

In 1694, Kitty Genovese was murdered in the neighborhood of Kew Gardens, New York. It was told that there were up to 38 witnesses and onlookers in the vicinity of the crime scene, but nobody did anything to stop the murder or call for help.

Such tragedy was the catalyst that inspired social psychologists Bibb Latane and John Darley to formulate the phenomenon called bystander effect or bystander apathy .

Subsequent investigations showed that this story was exaggerated and inaccurate, as there were actually only about a dozen witnesses, at least two of whom called the police. But the case of Kitty Genovese led to various studies that aim to shed light on the bystander phenomenon.

Latane and Darley tested bystander intervention in an experimental study . Participants were asked to answer a questionnaire inside a room, and they would either be alone or with two other participants (who were actually actors or confederates in the study). Smoke would then come out from under the door. The reaction time of participants was tested — how long would it take them to report the smoke to the authorities or the experimenters?

The results showed that participants who were alone in the room reported the smoke faster than participants who were with two passive others. The study suggests that the more onlookers are present in an emergency situation, the less likely someone would step up to help, a social phenomenon now popularly called the bystander effect.

3. Asch Conformity Study

Have you ever made a decision against your better judgment just to fit in with your friends or family? The Asch Conformity Studies will help you understand this kind of situation better.

In this experiment, a group of participants were shown three numbered lines of different lengths and asked to identify the longest of them all. However, only one true participant was present in every group and the rest were actors, most of whom told the wrong answer.

Results showed that the participants went for the wrong answer, even though they knew which line was the longest one in the first place. When the participants were asked why they identified the wrong one, they said that they didn’t want to be branded as strange or peculiar.

This study goes to show that there are situations in life when people prefer fitting in than being right. It also tells that there is power in numbers — a group’s decision can overwhelm a person and make them doubt their judgment.

4. The Bobo Doll Experiment

The Bobo Doll Experiment was conducted by Dr. Albert Bandura, the proponent of social learning theory .

Back in the 1960s, the Nature vs. Nurture debate was a popular topic among psychologists. Bandura contributed to this discussion by proposing that human behavior is mostly influenced by environmental rather than genetic factors.

In the Bobo Doll Experiment, children were divided into three groups: one group was shown a video in which an adult acted aggressively toward the Bobo Doll, the second group was shown a video in which an adult play with the Bobo Doll, and the third group served as the control group where no video was shown.

The children were then led to a room with different kinds of toys, including the Bobo Doll they’ve seen in the video. Results showed that children tend to imitate the adults in the video. Those who were presented the aggressive model acted aggressively toward the Bobo Doll while those who were presented the passive model showed less aggression.

While the Bobo Doll Experiment can no longer be replicated because of ethical concerns, it has laid out the foundations of social learning theory and helped us understand the degree of influence adult behavior has on children.

5. Blue Eye / Brown Eye Experiment

Following the assassination of Martin Luther King Jr. in 1968, third-grade teacher Jane Elliott conducted an experiment in her class. Although not a formal experiment in controlled settings, A Class Divided is a good example of a social experiment to help children understand the concept of racism and discrimination.

The class was divided into two groups: blue-eyed children and brown-eyed children. For one day, Elliott gave preferential treatment to her blue-eyed students, giving them more attention and pampering them with rewards. The next day, it was the brown-eyed students’ turn to receive extra favors and privileges.

As a result, whichever group of students was given preferential treatment performed exceptionally well in class, had higher quiz scores, and recited more frequently; students who were discriminated against felt humiliated, answered poorly in tests, and became uncertain with their answers in class.

This study is now widely taught in sociocultural psychology classes.

6. Stanford Prison Experiment

One of the most controversial and widely-cited studies in psychology is the Stanford Prison Experiment , conducted by Philip Zimbardo at the basement of the Stanford psychology building in 1971. The hypothesis was that abusive behavior in prisons is influenced by the personality traits of the prisoners and prison guards.

The participants in the experiment were college students who were randomly assigned as either a prisoner or a prison guard. The prison guards were then told to run the simulated prison for two weeks. However, the experiment had to be stopped in just 6 days.

The prison guards abused their authority and harassed the prisoners through verbal and physical means. The prisoners, on the other hand, showed submissive behavior. Zimbardo decided to stop the experiment because the prisoners were showing signs of emotional and physical breakdown.

Although the experiment wasn’t completed, the results strongly showed that people can easily get into a social role when others expect them to, especially when it’s highly stereotyped .

7. The Halo Effect

Have you ever wondered why toothpastes and other dental products are endorsed in advertisements by celebrities more often than dentists? The Halo Effect is one of the reasons!

The Halo Effect shows how one favorable attribute of a person can gain them positive perceptions in other attributes. In the case of product advertisements, attractive celebrities are also perceived as intelligent and knowledgeable of a certain subject matter even though they’re not technically experts.

The Halo Effect originated in a classic study done by Edward Thorndike in the early 1900s. He asked military commanding officers to rate their subordinates based on different qualities, such as physical appearance, leadership, dependability, and intelligence.

The results showed that high ratings of a particular quality influences the ratings of other qualities, producing a halo effect of overall high ratings. The opposite also applied, which means that a negative rating in one quality also correlated to negative ratings in other qualities.

Experiments on the Halo Effect came in various formats as well, supporting Thorndike’s original theory. This phenomenon suggests that our perception of other people’s overall personality is hugely influenced by a quality that we focus on.

8. Cognitive Dissonance

There are experiences in our lives when our beliefs and behaviors do not align with each other and we try to justify them in our minds. This is cognitive dissonance , which was studied in an experiment by Leon Festinger and James Carlsmith back in 1959.

In this experiment, participants had to go through a series of boring and repetitive tasks, such as spending an hour turning pegs in a wooden knob. After completing the tasks, they were then paid either $1 or $20 to tell the next participants that the tasks were extremely fun and enjoyable. Afterwards, participants were asked to rate the experiment. Those who were given $1 rated the experiment as more interesting and fun than those who received $20.

The results showed that those who received a smaller incentive to lie experienced cognitive dissonance — $1 wasn’t enough incentive for that one hour of painstakingly boring activity, so the participants had to justify that they had fun anyway.

Famous Case Studies in Psychology

9. little albert.

In 1920, behaviourist theorists John Watson and Rosalie Rayner experimented on a 9-month-old baby to test the effects of classical conditioning in instilling fear in humans.

This was such a controversial study that it gained popularity in psychology textbooks and syllabi because it is a classic example of unethical research studies done in the name of science.

In one of the experiments, Little Albert was presented with a harmless stimulus or object, a white rat, which he wasn’t scared of at first. But every time Little Albert would see the white rat, the researchers would play a scary sound of hammer and steel. After about 6 pairings, Little Albert learned to fear the rat even without the scary sound.

Little Albert developed signs of fear to different objects presented to him through classical conditioning . He even generalized his fear to other stimuli not present in the course of the experiment.

10. Phineas Gage

Phineas Gage is such a celebrity in Psych 101 classes, even though the way he rose to popularity began with a tragic accident. He was a resident of Central Vermont and worked in the construction of a new railway line in the mid-1800s. One day, an explosive went off prematurely, sending a tamping iron straight into his face and through his brain.

Gage survived the accident, fortunately, something that is considered a feat even up to this day. He managed to find a job as a stagecoach after the accident. However, his family and friends reported that his personality changed so much that “he was no longer Gage” (Harlow, 1868).

New evidence on the case of Phineas Gage has since come to light, thanks to modern scientific studies and medical tests. However, there are still plenty of mysteries revolving around his brain damage and subsequent recovery.

11. Anna O.

Anna O., a social worker and feminist of German Jewish descent, was one of the first patients to receive psychoanalytic treatment.

Her real name was Bertha Pappenheim and she inspired much of Sigmund Freud’s works and books on psychoanalytic theory, although they hadn’t met in person. Their connection was through Joseph Breuer, Freud’s mentor when he was still starting his clinical practice.

Anna O. suffered from paralysis, personality changes, hallucinations, and rambling speech, but her doctors could not find the cause. Joseph Breuer was then called to her house for intervention and he performed psychoanalysis, also called the “talking cure”, on her.

Breuer would tell Anna O. to say anything that came to her mind, such as her thoughts, feelings, and childhood experiences. It was noted that her symptoms subsided by talking things out.

However, Breuer later referred Anna O. to the Bellevue Sanatorium, where she recovered and set out to be a renowned writer and advocate of women and children.

12. Patient HM

H.M., or Henry Gustav Molaison, was a severe amnesiac who had been the subject of countless psychological and neurological studies.

Henry was 27 when he underwent brain surgery to cure the epilepsy that he had been experiencing since childhood. In an unfortunate turn of events, he lost his memory because of the surgery and his brain also became unable to store long-term memories.

He was then regarded as someone living solely in the present, forgetting an experience as soon as it happened and only remembering bits and pieces of his past. Over the years, his amnesia and the structure of his brain had helped neuropsychologists learn more about cognitive functions .

Suzanne Corkin, a researcher, writer, and good friend of H.M., recently published a book about his life. Entitled Permanent Present Tense , this book is both a memoir and a case study following the struggles and joys of Henry Gustav Molaison.

13. Chris Sizemore

Chris Sizemore gained celebrity status in the psychology community when she was diagnosed with multiple personality disorder, now known as dissociative identity disorder.

Sizemore has several alter egos, which included Eve Black, Eve White, and Jane. Various papers about her stated that these alter egos were formed as a coping mechanism against the traumatic experiences she underwent in her childhood.

Sizemore said that although she has succeeded in unifying her alter egos into one dominant personality, there were periods in the past experienced by only one of her alter egos. For example, her husband married her Eve White alter ego and not her.

Her story inspired her psychiatrists to write a book about her, entitled The Three Faces of Eve , which was then turned into a 1957 movie of the same title.

14. David Reimer

When David was just 8 months old, he lost his penis because of a botched circumcision operation.

Psychologist John Money then advised Reimer’s parents to raise him as a girl instead, naming him Brenda. His gender reassignment was supported by subsequent surgery and hormonal therapy.

Money described Reimer’s gender reassignment as a success, but problems started to arise as Reimer was growing up. His boyishness was not completely subdued by the hormonal therapy. When he was 14 years old, he learned about the secrets of his past and he underwent gender reassignment to become male again.

Reimer became an advocate for children undergoing the same difficult situation he had been. His life story ended when he was 38 as he took his own life.

15. Kim Peek

Kim Peek was the inspiration behind Rain Man , an Oscar-winning movie about an autistic savant character played by Dustin Hoffman.

The movie was released in 1988, a time when autism wasn’t widely known and acknowledged yet. So it was an eye-opener for many people who watched the film.

In reality, Kim Peek was a non-autistic savant. He was exceptionally intelligent despite the brain abnormalities he was born with. He was like a walking encyclopedia, knowledgeable about travel routes, US zip codes, historical facts, and classical music. He also read and memorized approximately 12,000 books in his lifetime.

This list of experiments and case studies in psychology is just the tip of the iceberg! There are still countless interesting psychology studies that you can explore if you want to learn more about human behavior and dynamics.

You can also conduct your own mini-experiment or participate in a study conducted in your school or neighborhood. Just remember that there are ethical standards to follow so as not to repeat the lasting physical and emotional harm done to Little Albert or the Stanford Prison Experiment participants.

Asch, S. E. (1956). Studies of independence and conformity: I. A minority of one against a unanimous majority. Psychological Monographs: General and Applied, 70 (9), 1–70. https://doi.org/10.1037/h0093718

Bandura, A., Ross, D., & Ross, S. A. (1961). Transmission of aggression through imitation of aggressive models. The Journal of Abnormal and Social Psychology, 63 (3), 575–582. https://doi.org/10.1037/h0045925

Elliott, J., Yale University., WGBH (Television station : Boston, Mass.), & PBS DVD (Firm). (2003). A class divided. New Haven, Conn.: Yale University Films.

Festinger, L., & Carlsmith, J. M. (1959). Cognitive consequences of forced compliance. The Journal of Abnormal and Social Psychology, 58 (2), 203–210. https://doi.org/10.1037/h0041593

Haney, C., Banks, W. C., & Zimbardo, P. G. (1973). A study of prisoners and guards in a simulated prison. Naval Research Review , 30 , 4-17.

Latane, B., & Darley, J. M. (1968). Group inhibition of bystander intervention in emergencies. Journal of Personality and Social Psychology, 10 (3), 215–221. https://doi.org/10.1037/h0026570

Mischel, W. (2014). The Marshmallow Test: Mastering self-control. Little, Brown and Co.

Thorndike, E. (1920) A Constant Error in Psychological Ratings. Journal of Applied Psychology , 4 , 25-29. http://dx.doi.org/10.1037/h0071663

Watson, J. B., & Rayner, R. (1920). Conditioned emotional reactions. Journal of experimental psychology , 3 (1), 1.

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What is the Case Study Method?

Simply put, the case method is a discussion of real-life situations that business executives have faced.

On average, you'll attend three to four different classes a day, for a total of about six hours of class time (schedules vary). To prepare, you'll work through problems with your peers.

How the Case Method Creates Value

Often, executives are surprised to discover that the objective of the case study is not to reach consensus, but to understand how different people use the same information to arrive at diverse conclusions. When you begin to understand the context, you can appreciate the reasons why those decisions were made. You can prepare for case discussions in several ways.

Case Discussion Preparation Details

In self-reflection.

The time you spend here is deeply introspective. You're not only working with case materials and assignments, but also taking on the role of the case protagonist—the person who's supposed to make those tough decisions. How would you react in those situations? We put people in a variety of contexts, and they start by addressing that specific problem.

In a small group setting

The discussion group is a critical component of the HBS experience. You're working in close quarters with a group of seven or eight very accomplished peers in diverse functions, industries, and geographies. Because they bring unique experience to play you begin to see that there are many different ways to wrestle with a problem—and that’s very enriching.

In the classroom

The faculty guides you in examining and resolving the issues—but the beauty here is that they don't provide you with the answers. You're interacting in the classroom with other executives—debating the issue, presenting new viewpoints, countering positions, and building on one another's ideas. And that leads to the next stage of learning.

Beyond the classroom

Once you leave the classroom, the learning continues and amplifies as you get to know people in different settings—over meals, at social gatherings, in the fitness center, or as you are walking to class. You begin to distill the takeaways that you want to bring back and apply in your organization to ensure that the decisions you make will create more value for your firm.

How Cases Unfold In the Classroom

Pioneered by HBS faculty, the case method puts you in the role of the chief decision maker as you explore the challenges facing leading companies across the globe. Learning to think fast on your feet with limited information sharpens your analytical skills and empowers you to make critical decisions in real time.

To get the most out of each case, it's important to read and reflect, and then meet with your discussion group to share your insights. You and your peers will explore the underlying issues, compare alternatives, and suggest various ways of resolving the problem.

How to Prepare for Case Discussions

There's more than one way to prepare for a case discussion, but these general guidelines can help you develop a method that works for you.

Preparation Guidelines

Read the professor's assignment or discussion questions.

The assignment and discussion questions help you focus on the key aspects of the case. Ask yourself: What are the most important issues being raised?

Read the first few paragraphs and then skim the case

Each case begins with a text description followed by exhibits. Ask yourself: What is the case generally about, and what information do I need to analyze?

Reread the case, underline text, and make margin notes

Put yourself in the shoes of the case protagonist, and own that person's problems. Ask yourself: What basic problem is this executive trying to resolve?

Note the key problems on a pad of paper and go through the case again

Sort out relevant considerations and do the quantitative or qualitative analysis. Ask yourself: What recommendations should I make based on my case data analysis?

Case Study Best Practices

The key to being an active listener and participant in case discussions—and to getting the most out of the learning experience—is thorough individual preparation.

We've set aside formal time for you to discuss the case with your group. These sessions will help you to become more confident about sharing your views in the classroom discussion.

Participate

Actively express your views and challenge others. Don't be afraid to share related "war stories" that will heighten the relevance and enrich the discussion.

If the content doesn't seem to relate to your business, don't tune out. You can learn a lot about marketing insurance from a case on marketing razor blades!

Actively apply what you're learning to your own specific management situations, both past and future. This will magnify the relevance to your business.

People with diverse backgrounds, experiences, skills, and styles will take away different things. Be sure to note what resonates with you, not your peers.

Being exposed to so many different approaches to a given situation will put you in a better position to enhance your management style.

Frequently Asked Questions

What can i expect on the first day, what happens in class if nobody talks, does everyone take part in "role-playing".

The First Criminal Trial That Used Fingerprints as Evidence

Thomas Jennings used a freshly painted railing to flee a murder scene but unwittingly left behind something that would change detective work forever

Francine Uenuma

History Correspondent

Just after 2 a.m. on the night of September 19, 1910, Clarence Hiller woke to the screams of his wife and daughter in their home at 1837 West 104th Street in Chicago. After a spate of robberies, residents of this South Side neighborhood were already on edge. Hiller, a railroad clerk, raced to confront the intruder. In the ensuing scuffle, the two men fell down the staircase. His daughter, Clarice, later recalled hearing three shots, followed by her mother screaming upstairs. Neighbors came running but the man had fled the home, leaving a dying Hiller by his front door.

The unknown assailant didn’t make it far. Thomas Jennings – an African-American man who had been paroled six weeks earlier - was stopped a half-mile away wearing a torn and bloodied coat and carrying a revolver. But it was what he left behind that would be the focal point of his trial—a fingerprint from a freshly painted railing that he used to hoist himself through a window at the Hiller house. Police photographed and cut off the railing itself, claiming it would prove the identity of the burglar. In the eyes of the court, they were right; Hiller’s murder would lead to the first conviction using fingerprint evidence in a criminal trial in the United States. At times controversial, this method of solving cases endures more than a century later.

Not only has fingerprinting had staying power in the legal system, the underlying method is fundamentally the same as when it was first introduced to American police departments. Prints are still evaluated based on the same descriptions of arches, loops and whorls written by Sir Francis Galton in the late 19th century. Further, the basic technique of collecting and comparing remains remarkably similar to what was applied to that rudimentary set of prints discovered at the Hiller home.

Jennings’ defense attorneys raised questions about this new—and little understood—technique, as well as whether such evidence could even be legally introduced in court (the first time it was used in Britain, they claimed, a special law was needed to make such evidence legal). The defense team even solicited prints from the public in an effort to find a match and disprove the theory that fingerprints were never repeated. A courtroom demonstration, however, backfired badly: Defense attorney W.G Anderson’s print was clearly visible after he challenged experts to lift the impression from a piece of paper that he had touched.

This made a distinct impression on the jury as well; they voted unanimously to convict Jennings, who was sentenced to hang. The Decatur Herald called it “the first conviction on finger-printing evidence in the history of this country,” adding with dramatic flourish that “the murderer of Hiller wrote his signature when he rested his hand upon the freshly painted railing at the Hiller home.”

It’s unclear the degree to which Jennings’s race played a part in his trial. News reports at the time didn’t sensationalize race in their coverage, or even mention Hiller’s race. Yet it’s not hard to envision that a jury, presented with an unfamiliar technique, would have been more skeptical with a white defendant.

The concept of identifying people by unique fingerprints, first laid out 18 years earlier in Europe, even had its origin in pseudoscientific racial beliefs. It was thoroughly studied and chronicled in Galton’s 1892 epic tome Finger Prints (A cousin of Darwin, Galton had long focused on a series of experiments hoping to tie myriad personal and intellectual characteristics to physical traits and heredity). Galton, who had also studied anthropometry in an effort to deduce the meaning behind physical measurements, did not find any major difference between races in his exhaustive collection of prints for research—but not for lack of effort. He wrote in Finger Prints that “it seemed reasonable to expect to find racial differences in finger marks, the inquiries were continued in varied ways until hard fact had made hope no longer justifiable.”

As journalist Ava Kofman recently outlined in the Public Domain Review , Galton’s pursuit of fingerprint science meshed well with colonialist ideology of the time. “Fingerprints were originally introduced for Europeans to distinguish between the otherwise indistinguishable mass of extra-European peoples, who themselves produced “indecipherable” fingerprints,” she wrote. Later in his career, according to Kofman, Galton would later engage in quantifying racial differences, inventing “scientific,” numerical measurements to categorize humans by race.

Nonetheless the system Galton outlined was to identify unique characteristics proved effective and caught on quickly. Police in the United States were just beginning to emulate their European colleagues and started to gather prints for the purpose of identification in the early 20th century. During the 1904 World’s Fair in St. Louis, Scotland Yard sent representatives to host an exhibit to demonstrate the technique, which was growing in popularity in British courts. Even Mark Twain was caught up in the speculation of how they could be used to apprehend criminals, placing “the assassin’s natal autograph” – which is to say the “blood-stained finger-prints” found on a knife- at the center of the dramatic courtroom finale in his novel Puddn’head Wilson , published years before the Jennings case.

After Jennings’ conviction, however, lawyers mounted a challenge to the notion that such a newfangled and little-understood technique could be admitted in court. After more than a year in the appeals process, on December 21, 1911, the Illinois Supreme Court upheld the conviction in the People v. Jennings , affirming his sentence would be carried out soon after. They cited prior cases in Britain and published studies on the subject to lend credibility to fingerprinting. Several witnesses in the Jennings trial, it pointed out, had been trained by the venerable Scotland Yard. “This method of identification is in such general and common use that the courts cannot refuse to take judicial cognizance of it,” the ruling stated.

Fingerprinting had thereby been “proclaimed by the Supreme Court of Illinois to be sufficient basis for a verdict of death by hanging,” the Chicago Tribune reported, and it was the beginning of a shift toward the largely unquestioned use of fingerprint evidence in courtrooms across the United States. “The Jennings case really is the earliest case – earliest published case – in which you’ll find any discussion of fingerprint evidence,” says Simon A. Cole, author of Suspect Identities: A History of Fingerprinting and Criminal Identification and professor of criminology, law and society at the University of California, Irvine School of Social Ecology. “So, in that sense it really is a precedent for the whole country.”

People v. Jennings further specified that fingerprint evidence was something that the average juror would have to rely on interpretation to understand. “Expert testimony is admissible when the subject matter of the inquiry is of such a character that only persons of skill and experience are capable of forming a correct judgment as to any facts connected therewith.” The inclusion of this statement was crucial in legal terms: some level of human judgment and interpretation was a given, built into the courtroom process when fingerprint evidence was presented to a jury. The degree of subjectivity that represents and what potential room for error - however small – is acceptable is still actively debated more than a century later.

Beginning with the Jennings trial, two fundamental questions have formed the basis of any challenge to its admissibility in court. Is the technique itself sound (the primary issue when it was first introduced)? And how accurate the evidence is when interpreted and applied to any specific case? “The uniqueness of fingerprints is really kind of beside the point of the accuracy of the identification,” says Cole. “The best way to understand that is to think about eyewitness identification – nobody disputes that all human faces are in some sense unique, even those of identical twins, but nobody reasons from that that eyewitness identification must be 100 percent accurate.” Juries like the one that convicted Jennings were initially focused on whether prints were repeated, “whereas really what we need to know is can people match them accurately.”

It is this gray area that defense attorneys seize on in thorny legal cases. Following a 1993 Supreme Court ruling in Daubert vs. Merrell Dow Pharmaceuticals Inc., judges were required to apply what is known as the Daubert standard to determine if a witness’ testimony can be considered scientific. This is based on a list of factors, including how the technique itself has been tested, error rates and what regulations govern its usage. These standards were more stringent than what had previously been required, putting the onus on judges to determine what could be considered by a jury as scientific evidence.

Fingerprinting techniques came under marked public scrutiny in 2004 when an Oregon lawyer named Brandon Mayfield was arrested in connection with a terrorist attack on a commuter train in Madrid based on a mistaken match of a partial print gathered at the scene . The FBI later publicly apologized to Mayfield, but such high-profile incidents inevitably introduce questions about if other mistakes have gone unnoticed and fuel skeptics and lawyers who contest the often presumed infallibility of such evidence.

As part of a broader re-examination of forensics that had come to be widely accepted over the years, the National Academy of Sciences released a report in 2009 that addressed some of these shortcomings, acknowledging that “not all fingerprint evidence is equally good, because the true value of the evidence is determined by the quality of the latent fingerprint image. These disparities between and within the forensic science disciplines highlight a major problem in the forensic science community: The simple reality is that the interpretation of forensic evidence is not always based on scientific studies to determine its validity.”

Fingerprint examiners rely on years of experience, testing and verification by a second examiner to bolster the reliability of their determination. Echoing the reasoning in the People v. Jennings ruling, fingerprint examiner William Leo writes that “the purpose of the expert witness in the legal system is to interpret information and form a conclusion that a jury of lay persons would be incapable of doing…A fingerprint examiner’s conclusion is not based upon a personal opinion, but rather on an evaluation of the detail present using the knowledge and skills acquired through training, education and expertise.”

“You’ll probably find for the most part that most people are in agreement that most of the time if you have a decent print of some size that is of decent quality, you can make an identification in some reasonable percentage of cases,” says David A. Harris, professor of law at the University of Pittsburgh and author of Failed Evidence: Why Law Enforcement Resists Science . “Where things have begun to come into question in the last 20 years is the way that those identifications have been done, the certainty with which they have been presented, the terminology around that and just a general harder look at all the forensic sciences.”

When it comes to fingerprint evidence, uncertainty has not been eliminated, but is now more likely to be acknowledged and addressed. And despite greater skepticism in recent decades and the more stringent caveats introduced by Daubert, courts have not significantly curtailed the use of fingerprint evidence, nor the reliance on examiners to interpret this evidence for the jury.

“A hundred years is kind of an impressive run,” says Cole. “There are some reasons for that – I think the fingerprint patterns are very information rich, you can see that there’s a lot of information packed into a small area.” When Thomas Jennings placed his hand on a porch railing in the middle of the night, he unwittingly introduced that valuable information into American courtrooms, influencing the outcome of innumerable cases for more than a century and counting.

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What Is a Case Study? How to Write, Examples, and Template

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How to write a case study

Case study template, case study examples, types of case studies, what are the benefits of case studies , what are the limitations of case studies , case study vs. testimonial.

In today's marketplace, conveying your product's value through a compelling narrative is crucial to genuinely connecting with your customers.

Your business can use marketing analytics tools to understand what customers want to know about your product. Once you have this information, the next step is to showcase your product and its benefits to your target audience. This strategy involves a mix of data, analysis, and storytelling. Combining these elements allows you to create a narrative that engages your audience. So, how can you do this effectively?

What is a case study? 

A case study is a powerful tool for showcasing a business's success in helping clients achieve their goals. It's a form of storytelling that details real-world scenarios where a business implemented its solutions to deliver positive results for a client.

In this article, we explore the concept of a case study , including its writing process, benefits, various types, challenges, and more.

Understanding how to write a case study is an invaluable skill. You'll need to embrace decision-making – from deciding which customers to feature to designing the best format to make them as engaging as possible.  This can feel overwhelming in a hurry, so let's break it down.

Step 1: Reach out to the target persona

If you've been in business for a while, you have no shortage of happy customers. But w ith limited time and resources, you can't choose everyone.  So, take some time beforehand to flesh out your target buyer personas. 

Once you know precisely who you're targeting, go through your stable of happy customers to find a buyer representative of the audience you're trying to reach. The closer their problems, goals, and industries align, the more your case study will resonate.

What if you have more than one buyer persona? No problem. This is a common situation for companies because buyers comprise an entire committee. You might be marketing to procurement experts, executives, engineers, etc. Try to develop a case study tailored to each key persona. This might be a long-term goal, and that's fine. The better you can personalize the experience for each stakeholder, the easier it is to keep their attention.  

Here are a few considerations to think about before research:

• Products/services of yours the customer uses (and how familiar they are with them)
• The customer's brand recognition in the industry
• Whether the results they've achieved are specific and remarkable
• Whether they've switched from a competitor's product/service
• How closely aligned they are with your target audience

These items are just a jumping-off point as you develop your criteria.  Once you have a list, run each customer through it to determine your top targets. Approach the ones on the top (your "dream" case study subjects) and work your way down as needed.

Who to interview

You should consider interviewing top-level managers or executives because those are high-profile positions. But consider how close they are to your product and its results.

Focusing on an office manager or engineer who uses your product daily would be better. Look for someone with a courtside view of the effects.

The ways to request customer participation in case studies can vary, but certain principles can improve your chances:

• Make it easy for customers to work with you, respecting their valuable time. Be well-prepared and minimize their involvement.
• Emphasize how customers will benefit through increased publicity, revenue opportunities, or recognition for their success. 
• Acknowledge their contributions and showcase their achievements.
• Standardizing the request process with a script incorporating these principles can help your team consistently secure case study approvals and track performance.

Step 2: Prepare for the interview

Case study interviews are like school exams. The more prepared you are for them, the better they turn out. Preparing thoroughly also shows participants that you value their time. You don't waste precious minutes rehashing things you should have already known. You focus on getting the information you need as efficiently as possible.

You can conduct your case study interview in multiple formats, from exchanging emails to in-person interviews. This isn't a trivial decision.  As you'll see in the chart below, each format has its unique advantages and disadvantages. 

You'll also have to consider who will ask and answer the questions during your case study interview. It's wise to consider this while considering the case study format.  The number of participants factors into which format will work best. Pulling off an in-person interview becomes much harder if you're trying to juggle four or five people's busy schedules. Try a video conference instead.

Before interviewing your case study participant, it is crucial to identify the specific questions that need to be asked.  It's essential to thoroughly evaluate your collaboration with the client and understand how your product's contributions impact the company. 

Remember that structuring your case study is akin to crafting a compelling narrative. To achieve this, follow a structured approach:

• Beginning of your story. Delve into the customer's challenge that ultimately led them to do business with you. What were their problems like? What drove them to make a decision finally? Why did they choose you?
• The middle of the case study.  Your audience also wants to know about the experience of working with you. Your customer has taken action to address their problems. What happened once you got on board?
• An ending that makes you the hero.  Describe the specific results your company produced for the customer. How has the customer's business (and life) changed once they implemented your solution?

Sample questions for the case study interview

If you're preparing for a case study interview, here are some sample case study research questions to help you get started:

• What challenges led you to seek a solution?
• When did you realize the need for immediate action? Was there a tipping point?
• How did you decide on the criteria for choosing a B2B solution, and who was involved?
• What set our product or service apart from others you considered?
• How was your experience working with us post-purchase?
• Were there any pleasant surprises or exceeded expectations during our collaboration?
• How smoothly did your team integrate our solution into their workflows?
• How long before you started seeing positive results?
• How have you benefited from our products or services?
• How do you measure the value our product or service provides?

Step 3: Conduct the interview

Preparing for case study interviews can be different from everyday conversations. Here are some tips to keep in mind:

• Create a comfortable atmosphere.  Before diving into the discussion, talk about their business and personal interests. Ensure everyone is at ease, and address any questions or concerns.
• Prioritize key questions.  Lead with your most crucial questions to respect your customer's time. Interview lengths can vary, so starting with the essentials ensures you get the vital information.
• Be flexible.  Case study interviews don't have to be rigid. If your interviewee goes "off script," embrace it. Their spontaneous responses often provide valuable insights.
• Record the interview.  If not conducted via email, ask for permission to record the interview. This lets you focus on the conversation and capture valuable quotes without distractions.

Step 4: Figure out who will create the case study

When creating written case studies for your business, deciding who should handle the writing depends on cost, perspective, and revisions.

Outsourcing might be pricier, but it ensures a professionally crafted outcome. On the other hand, in-house writing has its considerations, including understanding your customers and products. 

Technical expertise and equipment are needed for video case studies, which often leads companies to consider outsourcing due to production and editing costs. 

Tip: When outsourcing work, it's essential to clearly understand pricing details to avoid surprises and unexpected charges during payment.

Step 5: Utilize storytelling

Understanding and applying storytelling elements can make your case studies unforgettable, offering a competitive edge. 

Source: The Framework Bank

Every great study follows a narrative arc (also called a "story arc"). This arc represents how a character faces challenges, struggles against raising stakes, and encounters a formidable obstacle before the tension resolves.

In a case study narrative, consider:

• Exposition. Provide background information about the company, revealing their "old life" before becoming your customer.
• Inciting incident. Highlight the problem that drove the customer to seek a solution, creating a sense of urgency.
• Obstacles (rising action). Describe the customer's journey in researching and evaluating solutions, building tension as they explore options.
• Midpoint. Explain what made the business choose your product or service and what set you apart.
• Climax. Showcase the success achieved with your product.
• Denouement. Describe the customer's transformed business and end with a call-to-action for the reader to take the next step.

Step 6: Design the case study

The adage "Don't judge a book by its cover" is familiar, but people tend to do just that quite often!

A poor layout can deter readers even if you have an outstanding case study. To create an engaging case study, follow these steps:

• Craft a compelling title. Just like you wouldn't read a newspaper article without an eye-catching headline, the same goes for case studies. Start with a title that grabs attention.
• Organize your content. Break down your content into different sections, such as challenges, results, etc. Each section can also include subsections. This case study approach divides the content into manageable portions, preventing readers from feeling overwhelmed by lengthy blocks of text.
• Conciseness is key. Keep your case study as concise as possible. The most compelling case studies are precisely long enough to introduce the customer's challenge, experience with your solution, and outstanding results. Prioritize clarity and omit any sections that may detract from the main storyline.
• Utilize visual elements. To break up text and maintain reader interest, incorporate visual elements like callout boxes, bulleted lists, and sidebars.
• Include charts and images. Summarize results and simplify complex topics by including pictures and charts. Visual aids enhance the overall appeal of your case study.
• Embrace white space. Avoid overwhelming walls of text to prevent reader fatigue. Opt for plenty of white space, use shorter paragraphs, and employ subsections to ensure easy readability and navigation.
• Enhance video case studies. In video case studies, elements like music, fonts, and color grading are pivotal in setting the right tone. Choose music that complements your message and use it strategically throughout your story. Carefully select fonts to convey the desired style, and consider how lighting and color grading can influence the mood. These elements collectively help create the desired tone for your video case study.

Step 7: Edits and revisions

Once you've finished the interview and created your case study, the hardest part is over. Now's the time for editing and revision. This might feel frustrating for impatient B2B marketers, but it can turn good stories into great ones.

Ideally, you'll want to submit your case study through two different rounds of editing and revisions:

• Internal review. Seek feedback from various team members to ensure your case study is captivating and error-free. Gather perspectives from marketing, sales, and those in close contact with customers for well-rounded insights. Use patterns from this feedback to guide revisions and apply lessons to future case studies.
• Customer feedback. Share the case study with customers to make them feel valued and ensure accuracy. Let them review quotes and data points, as they are the "heroes" of the story, and their logos will be prominently featured. This step maintains positive customer relationships.

Case study mistakes to avoid

• Ensure easy access to case studies on your website.
• Spotlight the customer, not just your business.
• Tailor each case study to a specific audience.
• Avoid excessive industry jargon in your content.

Step 8: Publishing

Take a moment to proofread your case study one more time carefully. Even if you're reasonably confident you've caught all the errors, it's always a good idea to check. Your case study will be a valuable marketing tool for years, so it's worth the investment to ensure it's flawless. Once done, your case study is all set to go!

Consider sharing a copy of the completed case study with your customer as a thoughtful gesture. They'll likely appreciate it; some may want to keep it for their records. After all, your case study wouldn't have been possible without their help, and they deserve to see the final product.

Where you publish your case study depends on its role in your overall marketing strategy. If you want to reach as many people as possible with your case study, consider publishing it on your website and social media platforms. 

Tip: Some companies prefer to keep their case studies exclusive, making them available only to those who request them. This approach is often taken to control access to valuable information and to engage more deeply with potential customers who express specific interests. It can create a sense of exclusivity and encourage interested parties to engage directly with the company.

Step 9: Case study distribution

When sharing individual case studies, concentrate on reaching the audience with the most influence on purchasing decisions

Here are some common distribution channels to consider:

• Sales teams. Share case studies to enhance customer interactions, retention , and upselling among your sales and customer success teams. Keep them updated on new studies and offer easily accessible formats like PDFs or landing page links.
• Company website. Feature case studies on your website to establish authority and provide valuable information to potential buyers. Organize them by categories such as location, size, industry, challenges, and products or services used for effective presentation.
• Events. Use live events like conferences and webinars to distribute printed case study copies, showcase video case studies at trade show booths, and conclude webinars with links to your case study library. This creative approach blends personal interactions with compelling content.
• Industry journalists. Engage relevant industry journalists to gain media coverage by identifying suitable publications and journalists covering related topics. Building relationships is vital, and platforms like HARO (Help A Reporter Out) can facilitate connections, especially if your competitors have received coverage before.

Want to learn more about Marketing Analytics Software? Explore Marketing Analytics products.

It can seem daunting to transform the information you've gathered into a cohesive narrative.  We’ve created a versatile case study template that can serve as a solid starting point for your case study.

With this template, your business can explore any solutions offered to satisfied customers, covering their background, the factors that led them to choose your services, and their outcomes.

The template boasts a straightforward design, featuring distinct sections that guide you in effectively narrating your and your customer's story. However, remember that limitless ways to showcase your business's accomplishments exist.

To assist you in this process, here's a breakdown of the recommended sections to include in a case study:

• Title.  Keep it concise. Create a brief yet engaging project title summarizing your work with your subject. Consider your title like a newspaper headline; do it well, and readers will want to learn more. 
• Subtitle . Use this section to elaborate on the achievement briefly. Make it creative and catchy to engage your audience.
• Executive summary.  Use this as an overview of the story, followed by 2-3 bullet points highlighting key success metrics.
• Challenges and objectives. This section describes the customer's challenges before adopting your product or service, along with the goals or objectives they sought to achieve.
• How product/service helped.  A paragraph explaining how your product or service addressed their problem.
• Testimonials.  Incorporate short quotes or statements from the individuals involved in the case study, sharing their perspectives and experiences.
• Supporting visuals.  Include one or two impactful visuals, such as graphs, infographics, or highlighted metrics, that reinforce the narrative.
• Call to action (CTA).  If you do your job well, your audience will read (or watch) your case studies from beginning to end. They are interested in everything you've said. Now, what's the next step they should take to continue their relationship with you? Give people a simple action they can complete. 

Case studies are proven marketing strategies in a wide variety of B2B industries. Here are just a few examples of a case study:

• Amazon Web Services, Inc.  provides companies with cloud computing platforms and APIs on a metered, pay-as-you-go basis. This case study example illustrates the benefits Thomson Reuters experienced using AWS.
• LinkedIn Marketing Solutions combines captivating visuals with measurable results in the case study created for BlackRock. This case study illustrates how LinkedIn has contributed to the growth of BlackRock's brand awareness over the years. 
• Salesforce , a sales and marketing automation SaaS solutions provider, seamlessly integrates written and visual elements to convey its success stories with Pepe Jeans. This case study effectively demonstrates how Pepe Jeans is captivating online shoppers with immersive and context-driven e-commerce experiences through Salesforce.
• HubSpot offers a combination of sales and marketing tools. Their case study demonstrates the effectiveness of its all-in-one solutions. These typically focus on a particular client's journey and how HubSpot helped them achieve significant results.

There are two different types of case studies that businesses might utilize:

Written case studies 

Written case studies offer readers a clear visual representation of data, which helps them quickly identify and focus on the information that matters most. 

Printed versions of case studies find their place at events like trade shows, where they serve as valuable sales collateral to engage prospective clients.  Even in the digital age, many businesses provide case studies in PDF format or as web-based landing pages, improving accessibility for their audience. 

Note: Landing pages , in particular, offer the flexibility to incorporate rich multimedia content, including images, charts, and videos. This flexibility in design makes landing pages an attractive choice for presenting detailed content to the audience.

Written case study advantages

Here are several significant advantages to leveraging case studies for your company:

• Hyperlink accessibility.  Whether in PDF or landing page format, written case studies allow for embedded hyperlinks, offering prospects easy access to additional information and contact forms.
• Flexible engagement.  Unlike video case studies, which may demand in-person arrangements, written case studies can be conducted via phone or video streaming, reducing customer commitment and simplifying scheduling.
• Efficient scanning . Well-structured written case studies with a scannable format cater to time-strapped professionals. Charts and callout boxes with key statistics enhance the ease of information retrieval.
• Printable for offline use.  Written case studies can be effortlessly printed and distributed at trade shows, sales meetings, and live events. This tangible format accommodates those who prefer physical materials and provides versatility in outreach, unlike video content, which is less portable.

Written case study disadvantages

Here are some drawbacks associated with the use of case studies:

• Reduced emotional impact.  Written content lacks the emotional punch of live video testimonials, which engage more senses and emotions, making a stronger connection.
• Consider time investment.  Creating a compelling case study involves editing, proofreading, and design collaboration, with multiple revisions commonly required before publication.
• Challenges in maintaining attention.  Attention spans are short in today's ad-saturated world. Using graphics, infographics, and videos more often is more powerful to incite the right emotions in customers.

Video case studies

Video case studies are the latest marketing trend. Unlike in the past, when video production was costly, today's tools make it more accessible for users to create and edit their videos. However, specific technical requirements still apply.

Like written case studies, video case studies delve into a specific customer's challenges and how your business provides solutions. Yet, the video offers a more profound connection by showcasing the person who faced and conquered the problem.

Video case studies can boost brand exposure when shared on platforms like YouTube. For example, Slack's engaging case study video with Sandwich Video illustrates how Slack transformed its workflow and adds humor, which can be challenging in written case studies focused on factual evidence.

Source : YouTube

This video case study has garnered nearly a million views on YouTube.

Video case study advantages

Here are some of the top advantages of video case studies. While video testimonials take more time, the payoff can be worth it. 

• Humanization and authenticity.  Video case studies connect viewers with real people, adding authenticity and fostering a stronger emotional connection.
• Engaging multiple senses.  They engage both auditory and visual senses, enhancing credibility and emotional impact. Charts, statistics, and images can also be incorporated.
• Broad distribution.  Videos can be shared on websites, YouTube, social media, and more, reaching diverse audiences and boosting engagement, especially on social platforms.

Video case study disadvantages

Before fully committing to video testimonials, consider the following:

• Technical expertise and equipment.  Video production requires technical know-how and equipment, which can be costly. Skilled video editing is essential to maintain a professional image. While technology advances, producing amateurish videos may harm your brand's perception.
• Viewer convenience.  Some prospects prefer written formats due to faster reading and ease of navigation. Video typically requires sound, which can be inconvenient for viewers in specific settings. Many people may not have headphones readily available to watch your content.
• Demand on case study participants.  On-camera interviews can be time-consuming and location-dependent, making scheduling challenging for case study participants. Additionally, being on screen for a global audience may create insecurities and performance pressure.
• Comfort on camera.  Not everyone feels at ease on camera. Nervousness or a different on-screen persona can impact the effectiveness of the testimonial, and discovering this late in the process can be problematic.

Written or video case studies: Which is right for you?

Now that you know the pros and cons of each, how do you choose which is right for you?

One of the most significant factors in doing video case studies can be the technical expertise and equipment required for a high level of production quality. Whether you have the budget to do this in-house or hire a production company can be one of the major deciding factors.

Still, written or video doesn't have to be an either-or decision. Some B2B companies are using both formats. They can complement each other nicely, minimizing the downsides mentioned above and reaching your potential customers where they prefer.

Let's say you're selling IT network security. What you offer is invaluable but complicated. You could create a short (three- or four-minute) video case study to get attention and touch on the significant benefits of your services. This whets the viewer's appetite for more information, which they could find in a written case study that supplements the video.

Should you decide to test the water in video case studies, test their effectiveness among your target audience. See how well they work for your company and sales team. And, just like a written case study, you can always find ways to improve your process as you continue exploring video case studies.

Case studies offer several distinctive advantages, making them an ideal tool for businesses to market their products to customers. However, their benefits extend beyond these qualities. 

Here's an overview of all the advantages of case studies:

Valuable sales support

Case studies serve as a valuable resource for your sales endeavors. Buyers frequently require additional information before finalizing a purchase decision. These studies provide concrete evidence of your product or service's effectiveness, assisting your sales representatives in closing deals more efficiently, especially with customers with lingering uncertainties.

Validating your value

Case studies serve as evidence of your product or service's worth or value proposition , playing a role in building trust with potential customers. By showcasing successful partnerships, you make it easier for prospects to place trust in your offerings. This effect is particularly notable when the featured customer holds a reputable status.

Unique and engaging content

By working closely with your customer success teams, you can uncover various customer stories that resonate with different prospects. Case studies allow marketers to shape product features and benefits into compelling narratives. 

Each case study's distinctiveness, mirroring the uniqueness of every customer's journey, makes them a valuable source of relatable and engaging content. Storytelling possesses the unique ability to connect with audiences on an emotional level, a dimension that statistics alone often cannot achieve. 

Spotlighting valuable customers

Case studies provide a valuable platform for showcasing your esteemed customers. Featuring them in these studies offers a chance to give them visibility and express your gratitude for the partnership, which can enhance customer loyalty . Depending on the company you are writing about, it can also demonstrate the caliber of your business.

Now is the time to get SaaS-y news and entertainment with our 5-minute newsletter,   G2 Tea , featuring inspiring leaders, hot takes, and bold predictions. Subscribe below!

It's important to consider limitations when designing and interpreting the results of case studies. Here's an overview of the limitations of case studies:

Challenges in replication

Case studies often focus on specific individuals, organizations, or situations, making generalizing their findings to broader populations or contexts challenging. 

Time-intensive process

Case studies require a significant time investment. The extensive data collection process and the need for comprehensive analysis can be demanding, especially for researchers who are new to this method.

Potential for errors

Case studies can be influenced by memory and judgment, potentially leading to inaccuracies. Depending on human memory to reconstruct a case's history may result in variations and potential inconsistencies in how individuals recall past events. Additionally, bias may emerge, as individuals tend to prioritize what they consider most significant, which could limit their consideration of alternative perspectives.

Challenges in verification

Confirming results through additional research can present difficulties. This complexity arises from the need for detailed and extensive data in the initial creation of a case study. Consequently, this process requires significant effort and a substantial amount of time.

While looking at case studies, you may have noticed a quote. This type of quote is considered a testimonial, a key element of case studies.

If a customer's quote proves that your brand does what it says it will or performs as expected, you may wonder: 'Aren't customer testimonials and case studies the same thing?' Not exactly.

Testimonials are brief endorsements designed to establish trust on a broad scale. In contrast, case studies are detailed narratives that offer a comprehensive understanding of how a product or service addresses a specific problem, targeting a more focused audience. 

Crafting case studies requires more resources and a structured approach than testimonials. Your selection between the two depends on your marketing objectives and the complexity of your product or service.

Case in point!

Case studies are among a company's most effective tools. You're  well on your way to mastering them.

Today's buyers are tackling much of the case study research methodology independently. Many are understandably skeptical before making a buying decision. By connecting them with multiple case studies, you can prove you've gotten the results you say you can. There's hardly a better way to boost your credibility and persuade them to consider your solution.

Case study formats and distribution methods might change as technology evolves. However, the fundamentals that make them effective—knowing how to choose subjects, conduct interviews, and structure everything to get attention—will serve you for as long as you're in business. 

We covered a ton of concepts and resources, so go ahead and bookmark this page. You can refer to it whenever you have questions or need a refresher.

Dive into market research to uncover customer preferences and spending habits.

Kristen McCabe

Kristen’s is a former senior content marketing specialist at G2. Her global marketing experience extends from Australia to Chicago, with expertise in B2B and B2C industries. Specializing in content, conversions, and events, Kristen spends her time outside of work time acting, learning nature photography, and joining in the #instadog fun with her Pug/Jack Russell, Bella. (she/her/hers)

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Henry Ford: Case Study of an Innovator

Henry Ford did not invent the automobile. But more than any other single individual, he was responsible for transforming the automobile from an invention of unknown utility into an innovation that profoundly shaped the 20th century and continues to affect the 21st. Innovators change things. They take new ideas—sometimes their own, sometimes other people’s—and develop and promote those ideas until they become an accepted part of daily life. Innovation requires self-confidence, a taste for taking risks, leadership ability, and a vision of what the future should be. Henry Ford had all these characteristics, but it took him many years to develop all of them fully.

Portrait of the Innovator as a Young Man

Early Automotive Experiments: Failure and Then Success

The Automobile: A Solution in Search of a Problem

One Innovation Leads to Another

What We Have Here Is a Failure to Innovate

Detroit , Michigan , Dearborn , 20th century , 19th century , quadricycle , Model Ts , manufacturing , Henry Ford , Ford Rouge Factory Complex , Ford Motor Company , entrepreneurship , engines , engineering , cars , by Bob Casey , advertising

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Getting Internet Companies To Do The Right Thing

Case Study #2: Offering Two-Factor Authentication

Photo: shutterstock, what is two-factor authentication (2fa).

Two-factor authentication (2FA) is a method of authentication for online services that goes beyond the traditional username and password. It works by requiring a user to prove that they are who they say they are in two ways: with something they have and something they know.

When two-factor authentication is enabled, the user is asked to provide a combination of (usually two) authenticators, one that falls into each category above. Something that the user knows, such as passwords, and something the user has, such as possession of a separate authenticating device—usually a short code provided by a mobile phone—or a biometric identifier like a fingerprint or retina scan. Unless the user has both the account password and the device generating or receiving the random code, they will not be able to establish their identity and access the account. Neither will a hacker who has only been able to obtain the user’s password, whether through a phishing attack or otherwise.

The Emergence and Adoption of 2FA

Though there have been several predecessors to the modern day two-factor authentication system, the 2FA that we would recognize today was first made commercially available by the RSA company as a key fob in 1986. The fob had a small LCD screen that displayed a short numerical code which users appended to their passwords. For over 20 years, many large enterprises and governments made use of this type of extra protection for their internal systems. However, it would not become a common feature on the internet until this decade, after the number of people using account-based services—and the number of those accounts being hacked—hit critical mass.

Key Factors Spurring Adoption of 2FA

The first offering of 2FA by a major online service—just like the first deployment of HTTPS encryption by default—was as part of Google’s response to China’s attacks on the Gmail accounts of human rights advocates, which were revealed in January 2010. That September, Google released the first version of its two factor authentication application, called Google Authenticator, and in February 2011 it began offering optional two-factor authentication to all of its account holders. Supported by the Internet Engineering Task Force’s publication of a standard method for offering 2FA, other providers began to follow suit, including Yahoo in December 2011.

After the crisis of the Chinese hacks got the ball rolling, a continued string of high-profile hacking incidents—such as the hacking of Matt Honan that was featured on the cover of Wired , or the scandalous hacking of celebrity iCloud accounts—continued to highlight the need for stronger authentication offerings, a need that the Federal Trade Commission went out of its way to highlight in a number of key enforcement actions and public statements. Apple quickly responded to the iCloud leaks with a new 2FA offering, and after a string of hacks targeting DropBox, Slack, and Twitter accounts, those companies enabled two-factor authentication for their users as well. As with HTTPS, this accelerating trend of adoption was hastened by consistent campaigning from privacy advocates and security experts from organizations like the Electronic Frontier Foundation and the ACLU, as well as from the Executive Branch via the “Lock Down Your Login” initiative from the White House and the National Cybersecurity Alliance.

Looking Toward the Future of Two-Factor Authentication

With companies seeking even more secure and easier to use authentication mechanisms, the Universal Second Factor standard was developed in 2014 and has seen slow but steady growth in availability and use. Meanwhile, the accelerating rash of high-profile email hacks—most recently, hacks targeting the Democratic National Committee, former Secretary of State Colin Powell, and Hillary Clinton campaign chairman John Podesta—continues to highlight both how important 2FA is, and how many internet users—even those who ought to know that they are targets of state-sponsored hacking—are still failing to use it. As companies look to the future, they are beginning to experiment with other types of multiple-factor authentication that are both more secure and more easy to use, including the use of biometrics like fingerprints, facial or speech recognition, and more. As authentication methods become more sophisticated, we may quickly be moving toward a post-password future.

Two-Factor Authentication

Prev. section.

Case Study #1: Using Transit Encryption by Default

Next section, case study #3: transparency reporting.

About this Project

Each case study is in the form of a graphical timeline that maps key developments over the years that either reflected or helped spur the growing adoption of each practice, accompanied by a prefatory narrative to introduce some basic information about the practice and the key factors that influenced its implementation over time.

Kevin Bankston was the director of New America’s Open Technology Institute, where he worked in the public interest to ensure that all communities have equitable access to an internet that is both open and secure. He previously served as OTI's policy director.

Ross Schulman was a senior counsel and senior policy technologist at New America’s Open Technology Institute.

Liz woolery  was a senior policy analyst in new america's open technology institute. her work focused on the intersection of digital free expression, privacy, and transparency., project outline:, key lessons, download as csv, download as json.

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Ten Types of Innovation: 30 new case studies for 2019

If you’ve followed my work for a while, you’ll know that I’m a big fan of the Ten Types of Innovation, a framework developed by Doblin (now a part of Deloitte).

I previously listed it as the #2 innovation framework you should be using.

And with good reason. I have used it frequently with clients to get them to think beyond innovating their product , which becomes harder, more expensive and less differentiating over time.

However, what I have found in recent workshops is that since it was originally published in 2013, some of the case studies and examples in the book already come across as out of date. That’s how rapidly the world is changing.

So here, I present three new more recent case studies for each of the Ten Types of Innovation, along with an outline on what each of them represents. Try and see which of these examples you would also suggest touch on more than one of the Ten Types, and let me know in the comments below:

1) Profit Model: How you make money

Innovative profit models find a fresh way to convert a firm’s offerings and other sources of value into cash. Great ones reflect a deep understanding of what customers and users actually cherish and where new revenue or pricing opportunities might lie.

Innovative profit models often challenge an industry’s tired old assumptions about what to offer, what to charge, or how to collect revenues. This is a big part of their power: in most industries, the dominant profit model often goes unquestioned for decades.

Recent examples:

• Fortnite – Pay to customise: This Free-to-Play video game by Epic Game Studios is currently one of the most popular and profitable games in the world. Unlike other “freemium” games which incentivise people to spend money to speed up progression, Fortnite is completely free to progress and people only need pay if they want to unlock cosmetic items which don’t affect gameplay but act to personalise their characters.
• Deloitte – Value sharing: Professional Services firm Deloitte is the world’s largest Management Consulting firm and still growing. They noticed a desire from their clients for assurance that the advice they were being given and transformation projects which Deloitte was running would actually succeed. As a result, Deloitte has begun trialling projects where instead of their fee being based just on Time and Materials, they will also share in value delivery, where additional bonus payments are only activated if previously-agreed performance metrics are successfully met.
• Supreme – Limiting supply: While most companies want to get their products in to the hands of as many people as possible, Supreme has built a cult following through deliberately forcing scarcity of its products. The streetwear clothing retailer announces limited items which will only be available from a specific day when they “drop”, and once they are sold out, that’s it, unless you want to pay huge markups for a second-hand item on eBay. Their red box logo is now so collectible and desirable that the company is able to sell almost anything by putting the logo on it for a limited time only. Case in point: you can find official Supreme Bricks (yes, like the ones used to build houses) which are still selling on eBay for $500.

Supreme’s limited quantity releases often lead to people queuing overnight

2) Network: How you connect with others to create value

In today’s hyper-connected world, no company can or should do everything alone. Network innovations provide a way for firms to take advantage of other companies’ processes, technologies, offerings, channels, and brands—pretty much any and every component of a business.

These innovations mean a firm can capitalize on its own strengths while harnessing the capabilities and assets of others. Network innovations also help executives to share risk in developing new offers and ventures. These collaborations can be brief or enduring, and they can be formed between close allies or even staunch competitors.

Recent Examples:

• Ford & Volkswagen – Developing Self-driving cars: As two of the world’s largest car-makers, Ford and Volkswagen are competitors on the road. However, in 2019 they announced a partnership to work together to develop technology for self-driving cars and electric vehicles which would be used in both company’s fleets of the future. While Ford brings more advanced automated driving technology, Volkswagen was leading in electric vehicles. Through the combined venture called ARGO, both firms can spread their R&D spending across more cars, while both developing competing products.
• Microsoft – launching on competitors platforms: Since new Microsoft CEO Satya Nadella has taken over, he has changed the innovation ethos of the company. Whereas previously Microsoft was a product-first company who tried to eliminate competing products and customers should stay within the company’s ecosystem, Nadella has shifted the mindset to a service company where their products should be accessible to customers should be able to access the products in whichever way they prefer. As a result, products such as Office 365 are now available in any web browser, as well as on the mobile marketplaces of Google’s Android and Apple’s IOS, previously seen as competitors.
• Huawei – Leveraging celebrity endorsement: Until recently, “high-quality smartphone” made people think of companies like Apple (USA), Samsung and LG (South Korea). Brands from China were often seen as competing on price but suffering from lower build quality and a lack of innovation. So in order to raise their profile in Western markets, Huawei has invested heavily in celebrities to endorse their flagship phones, such as Scarlett Johanssen, Lionel Messi, Henry Cavill and Gal Gadot. This initial investment raised brand name recognition, to the stage where it is now focusing marketing more towards features and functionality.

Huawei has paid Lionel Messi millions to endorse their brand

3) Structure: How you organize and align your talent and assets

Structure innovations are focused on organizing company assets—hard, human, or intangible—in unique ways that create value. They can include everything from superior talent management systems to ingenious configurations of heavy capital equipment.

An enterprise’s fixed costs and corporate functions can also be improved through Structure innovations, including departments such as Human Resources, R&D, and IT. Ideally, such innovations also help attract talent to the organization by creating supremely productive working environments or fostering a level of performance that competitors can’t match.

• Perpetual Guardian – Four-day working week: This small financial advisory firm in New Zealand trialed moving to a four-day working week, giving their staff an additional free day each week as long as they got their outputs done. As a result, they found people adjusted their working rhythm to achieve the same outcomes in 20% less time , while also resulting in more satisfied employees.
• Netflix – Unlimited Vacations: In order to drive their breakneck growth, Netflix reviewed their formal HR policies to see what processes were getting in the way of people doing their best work. They discovered that most bureaucratic processes which slowed down high performing individuals were in place to only handle situations where a low-performance individual would do something wrong. As a result, they scrapped most formal HR policies to free people to work in their own ways to benefit the company, summarised in their “Freedom and Responsibility” culture document, including allowing staff to take as many vacation days as they felt they needed to produce their best work.
• WeWork – Leveraging other companies’ hard assets: WeWork’s business model revolves around providing affordable office rentals for entrepreneurs and companies, fitting a lot of tenants into the same space by offering co-working areas. In order to rapidly deploy new working spaces and attract customers, WeWork started using a system called rental arbitrage, where they would rent commercial space, create a ready-to-use coworking setup, and then rent this space to customers. By not having to spend CAPEX on purchasing the buildings themselves, they were able to rapidly expand with lower overhead.

Netflix allows staff to take unlimited vacation days

4) Process: How you use signature or superior methods to do your work

Process innovations involve the activities and operations that produce an enterprise’s primary offerings. Innovating here requires a dramatic change from “business as usual” that enables the company to use unique capabilities, function efficiently, adapt quickly, and build market–leading margins.

Process innovations often form the core competency of an enterprise, and may include patented or proprietary approaches that yield advantage for years or even decades. Ideally, they are the “special sauce” you use that competitors simply can’t replicate.

• Tesla – Vertically integrated supply chain: Tesla’s electric cars require huge packs of EV batteries, made of thousands of lithium-ion cells. Until recently, the lack of demand for electric vehicles meant that companies had not invested in battery technology development, resulting in prices remaining high and making the cost of cars prohibitively more expensive than their gasoline counterparts. Tesla invested in a massive gigafactory to produce the newest battery packs themselves, and the economies of scale, as well as not paying markups to manufacturers, are estimated to save them 30% of the cost of the batteries.
• Amazon Web Services – opening internal technology to third parties: When Amazon Web Services initially launched in 2006 , it effectively launched the cloud computing market, allowing external companies to not just host webpages but run code and calculations at a fraction of the cost of building their own server network. Since then, Amazon has continued to develop new technology it would use for its own services, such as artificial intelligence, image recognition, machine learning, and natural-language processing, and later make this technology available to their customers.
• AliExpress – Making everyone a Shop Owner: AliExpress is one of the world’s largest eCommerce sites, and serves as a commercial storefront for thousands of Chinese companies, allowing you to purchase everything to phone cases to forklifts. However, AliExpress also allows the platform to handle purchases as listed on external storefronts using a system called drop-shipping, where anyone can set up their own store, sell someone else’s products (but to customers it looks like they are coming from the seller) and then have those manufacturers send the product directly to the customer.

Tesla’s Gigafactory is the world’s largest building

5) Product Performance: How you develop distinguishing features and functionality

Product Performance innovations address the value, features, and quality of a company’s offering. This type of innovation involves both entirely new products as well as updates and line extensions that add substantial value. Too often, people mistake Product Performance for the sum of innovation. It’s certainly important, but it’s always worth remembering that it is only one of the Ten Types of Innovation, and it’s often the easiest for competitors to copy.

Think about any product or feature war you’ve witnessed—whether torque and toughness in trucks, toothbrushes that are easier to hold and use, even with baby strollers. Too quickly, it all devolves into an expensive mad dash to parity. Product Performance innovations that deliver long-term competitive advantage are the exception rather than the rule.

• Gorilla Glass – Changing chemistry to improve smartphone durability: Gorilla Glass by Corning was listed as one of the original Ten Types by becoming scratch resistant. I have included it again for how it has changed the properties of its glass based on customer feedback each year. In 2016, version 5 of the glass was designed to resist shattering when dropped from 5+ feet, dubbed “selfie height” drops. However, after discussing what properties their customers wanted, by 2018 version 6 was no longer trying to resist shattering when dropped from a height once, instead the chemistry and manufacturing process had been changed to make it resistant to cracking after 15 drops from a lower height (1 meter, or a “fumble drop from your pocket”). I love this example of innovation as the product performance doesn’t just try to become “ better ” by resisting one drop from a higher height than last year, instead figuring out what really matters to customers and delivering that.
• Raspberry Pi – full PC for $35: The original Rasperbby Pi was developed by a UK charity to make a simple yet expandable computer which was affordable enough for everyone. Their credit-card sized PC may look bare-bones (it comes without a case and is effectively an exposed circuit board), yet it contains everything which someone needs to run a Linux operating system, learn to program and even connect it with external sensors and peripherals to make all manner of machines. The latest version 4 is now powerful enough to serve as a dedicated PC, all for a price so low you can give it to a child to tinker with without fear of it being broken.
• Lush Cosmetics – Removing what people don’t want anymore: As people become more aware of their impact on the environment, customers are demanding that customers do more to reduce the amount of plastic packaging their products use which could end up in landfill or the ocean. Lush Cosmetics was an early pioneer in bringing packaging-free cosmetics to scale, offering some of their packaging-free products like shampoo bars and soaps in dedicated packaging-free stores .

Giving children a cheap PC like the Raspberry Pi to learn and experiment on

6) Product System: How you create complementary products and services

Product System innovations are rooted in how individual products and services connect or bundle together to create a robust and scalable system. This is fostered through interoperability, modularity, integration, and other ways of creating valuable connections between otherwise distinct and disparate offerings. Product System innovations help you build ecosystems that captivate and delight customers and defend against competitors.

• Ryobi – One battery to rule them all: While handheld tools have had rechargeable batteries for decades now, Ryobi’s innovation was designing the modular One+ battery which could be used with over 80 different tools. Not only was this convenient for customers who needed fewer batteries overall for multiple uses, it also encouraged someone to buy into the Ryobi tool ecosystem once they had previously purchased one tool and battery set.
• Zapier – making APIs easy: Many web-based applications nowadays have an Application Programming Interface (API) which allows them to share data with other services. However, this often requires complex coding from the developers, and repeated effort to integrate with multiple different APIs. Zapier acts as a middleman for data, providing ready-made actions and API integrations between popular web services, allowing customers to automate certain activities every time a specific event happens.
• Airbnb – Expanding into experiences: Airbnb built their business on allowing everyday people to sell accommodation in their homes to strangers. Now the company has begun offering complementary services to people visiting new places through Experiences . These experiences are also sold by local guides, and allow guests to try things they would otherwise not have known about in addition to staying somewhere new.

Ryobi One+ battery powers multiple different tools

7) Service: How you support and amplify the value of your offerings

Service innovations ensure and enhance the utility, performance, and apparent value of an offering. They make a product easier to try, use, and enjoy; they reveal features and functionality customers might otherwise overlook, and they fix problems and smooth rough patches in the customer journey. Done well, they elevate even bland and average products into compelling experiences that customers come back for again and again.

• Kroger – Smartphone grocery scanning: US retail giant Kroger has been trialing a new smartphone app which allows shoppers to scan items as they shop, and then skip checking out altogether. Using the Scan, Bag, Go app, a customer will scan each item as they pick them up and place them into whatever bag they want, and once they are done, they can simply pay using the app and leave. This prevents shoppers having to wait in checkout lines and gives them an overview of their running total as they go, and also allows the supermarket to entice shoppers by sending coupons and offers directly to them.
• PurpleBricks – bringing real estate online: Estate Agents have a poor reputation for treating both sellers and buyers, especially for the amount they charge relative to the service they provide. PurpleBricks was one of the first online-only estate agents , where they could charge a significantly lower fee if the seller chose to complete some of the service processes themselves, such as showing the home to potential buyers. The firm can provide additional services for additional charges.
• Meituan Dianping – providing one app for all the services you want: As Fast Company’s 2019 Most Innovative company , Meituan Dianping provides a platform for Chinese consumers to purchase a variety of services. Known as a transactional super-app, you can use the app to book and pay for food delivery, travel, movie tickets and more from over 5 million Chinese small and large merchants.

Scan your own groceries with the Scan-Bag-Go app

8) Channel: How you deliver your offerings to customers and users

Channel innovations encompass all the ways that you connect your company’s offerings with your customers and users. While e-commerce has emerged as a dominant force in recent years, traditional channels such as physical stores are still important — particularly when it comes to creating immersive experiences.

Skilled innovators in this type often find multiple but complementary ways to bring their products and services to customers. Their goal is to ensure that users can buy what they want, when and how they want it, with minimal friction and cost and maximum delight.

• Dollar Shave Club – Direct to your door: Razor Blades have always been high-margin products, and Gillette was one of the original innovators by giving away the razor handle to make money on the subsequent razor blade sales. Dollar Shave Club has taken a different approach, by reducing the cost of each set of blades, but having people join a subscription service where blades are delivered to them automatically. While the margin on each set of blades is lower than retail, the subscription model has provided steady, predictable revenue for the company, to the extend that subscription boxes can now be found for almost any consumable product.
• Zipline – Blood Delivery for remote areas: In hospital settings, getting fresh blood can a matter of life and death. Unfortunately, many Sub-Sharan African countries don’t have road infrastructure suitable for quickly delivering blood between hospitals or storage locations. This is why Zipline has developed a simple, reliable drone network where hospitals in Rwanda and Ghana can order fresh blood from a central processing area and receive it within an average of 15 minutes, rather than the hours or days it would take using conventional transportation.
• 3D Printers – produce whatever you need at home: Instead of a single company, the industry of 3D printers is slowly beginning to change the way in which consumers get simple tools and parts. By downloading schematics from the internet (or designing their own), people owning a 3D printer now no longer to go to a retail location or order the parts they need. In commercial settings, this is also speeding up how quickly companies are able to prototype new ideas and designs, waiting hours rather than days or weeks.

zipline blood drone innovation

9) Brand: How you represent your offerings and business

Brand innovations help to ensure that customers and users recognize, remember, and prefer your offerings to those of competitors or substitutes. Great ones distill a “promise” that attracts buyers and conveys a distinct identity.

They are typically the result of carefully crafted strategies that are implemented across many touchpoints between your company and your customers, including communications, advertising, service interactions, channel environments, and employee and business partner conduct. Brand innovations can transform commodities into prized products, and confer meaning, intent, and value to your offerings and your enterprise.

• Gillette / Nike – being willing to lose customers who don’t align with purpose: I have combined both Gillette and Nike into this example of brand innovation since they have both recently aligned their brands to a purpose (social and political), which has been positively welcomed by some people but has resulted in hatred from other groups. Nike began by making former NFL Quarterback Colin Kaepernick the face and voice of one of their advertising campaigns. Kaepernick rose in prominence when he refused to stand during the national anthem before his games, his way of protesting the police brutality and inequality towards his African American community. This led to some people claiming he was disrespecting the American Flag, and therefore what the flag stands for. When his advert launched, a vocal minority took to social media to upload videos of themselves saying that Nike no longer aligned with their values, and they burned their shoes, vowing to never buy Nike again. Similarily, Gillette came out with a commercial urging all men to be “The best a man can be”, by pushing aside previously ‘masculine’ traits like bullying, chauvinism or fighting, and showing children how a modern man should behave. As soon as the ad was released online, many media outlets praised its message, but it brought the wrath of angry men who claimed that the razor manufacturer shouldn’t tell them what to think or how to behave, how they would never buy the products again, and how the world was becoming too politically correct, with women and minorities getting preferential treatment over white men. The advert quickly became one of the most disliked videos on Youtube, and even my commentary about the innovative message (seen in the video below) had the comments section covered by hate-filled messages. What both Nike and Gillette realised was that if they wanted to align with positive, progressive messages and values (which align with their target demographic of the future), then they would risk upsetting and alienating the proportion of their current customer base who didn’t share those views. In both cases, these were decisions that would have been signed off by all levels in the company, through marketing, sales, legal and the board, and the brands will be stronger in the future because of it.
• Burberry – modernising a classic brand: Burberry had built its luxury fashion reputation by aligning itself with the British Aristocracy, and its famous chequer patterned fabric was iconic. However, when trying to modernise and make the brand “sexy” in the early 2000s, a misstep happened when the luxury house began to license the chequered fabric, resulting in it becoming a status symbol and desired motif for a different social group: the British “Chavs” (rough, lower class and sometimes aggressive). This poisoned the once iconic brand in the eyes of their intended luxury clientele. In order to survive, the company and brand embraced innovation , by becoming one of the first fashion houses to redesign their website to be mobile-optimised, aligning their store layout to mirror the website, highlighting young British talent and livestreaming content and fashion shows. Most importantly, they moved away from the iconic chequer pattern in their fashion designs, where it is now limited to less than 10% of products.

10) Customer Engagement: How you foster compelling interactions

Customer Engagement innovations are all about understanding the deep-seated aspirations of customers and users, and using those insights to develop meaningful connections between them and your company.

Great Customer Engagement innovations provide broad avenues for exploration and help people find ways to make parts of their lives more memorable, fulfilling, delightful — even magical.

• REI – closing their stores on the busiest shopping day: Outdoor equipment retailer REI had begun closing its doors on Black Friday , traditionally one of the busiest shopping days of the year. They claim they are doing this to Eddie their customers to actually get outdoors and use their equipment, rather than queuing for discounted material goods.
• Peloton – bringing the gym into the home: Many people benefit from going to joint gym classes because the sense of a group working toward is goals together with a coach is more powerful than trying to exercise by yourself. Peloton makes exercise equipment with built-in screens, powered by a subscription to live and on-demand classes. It’s like being part of a workout group with the benefits of being at home.
• NBA – bringing the fans into the action: The NBA had invested heavily in innovation to make their sport more immersive. From live analytics and player statistics, new ways to watch like VR video, and official video game players for each team, they are finding new ways to bring basketball to the next generation, while making it even more exciting for existing fans.

Peloton brings exercise classes into the home

There we go, a new set of 30 examples of the Ten Types of Innovation.

If you found some of these examples interesting, please share the article.

Can you think of any more good examples? Let me know in the comments below.

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great examples! I now feel inspired to innovate in my entrepreneurial project. Thank you ?

Greetings from Mexico

Excellent work!

They’s very interesting. Do you have the solutions of some of recent examples?

My university has taken pretty much everything from here, poorly rephrased a few things and have delivered it to us, the student, as an entire weeks worth of content. Maybe i should be paying my fees here…

Bachelor of business student Australia

Very interesting. Which course was it being used for?

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Cloud Kitchen — A historical overview and a case study from an Operations perspective

Hunaid Shakkarwala

Introduction

Cloud Kitchens or ‘Ghost Kitchens’, as they are frequently referred to in Silicon Valley’s pop culture, are small shared spaces meant for cooking food which makes them economically affordable as compared to restaurants. These spaces are rented by food chains, restaurants and chefs to boost their businesses by helping them locate their operations in close vicinity to their customers. Technological developments have led to fundamental shifts in how food is ordered and consumed. Online ordering has become a norm thanks to the convenience of one-click order placement, reliable delivery, and integrated digital payments. Due to this evolving landscape of food consumption, the traditional restaurant model is going through intense competition. Cloud Kitchens are disrupting the food industry by bringing in cost-efficient shared spaces riding on the back of the revolution brought by online food ordering apps. This model creates value for both a) end-consumer by expanding their selection and convenience of ordering from home, and b) for the cooked meal providers by significantly reducing their real estate and operational costs.

In summary, Cloud kitchens marry academic operation principles with state-of-the-art technology to generate rich insights using data analytics resulting in an Airbnb like model in the food space that enhances process efficiency, minimizes operating costs and reduces risk.

How did it all start- A historical context

Mobile canteens in the form of food trucks have been in existence for a long time, however, the events succeeding 2008 financial crisis can be regarded as a cornerstone with regards to the evolution of the concept of food trucks to home delivery to cloud kitchens. In the years post-recession, the expensive and high-end restaurants were not doing well and many of them closed their shutters. An alternative to these restaurants emerged in the form of food trucks, an opportunity that was capitalized by the entrepreneurs of that era. The trucks were cheap and mobile which enabled them to serve multiple locations, be close to customers and be affordable rent wise. The mobile canteens also popularized the concept of on-demand food delivery. Orders made using phone calls or messages were fulfilled by contractual cheap labor (gig economy). This model, over the course of the past decade, allowed many chefs to try out their recipes and perfect a menu before seeking investment for a more formal restaurant. Though popular, these mobile canteens were limited to major city centers and corporate hubs.

The advancement of technology over the past few years has led to the era of prepared food being ordered through online mediums. Modern restaurants initially started taking orders through social media platforms like Facebook and Twitter. Rebel foods operated Fassos, founded in 2011 in India, was one of the pioneers in this area. They started taking orders by leveraging Twitter and using innovative marketing tactics. With the adoption of smartphones, the power of one-tap food delivery landed directly in the hands of millions of consumers. The global size of the food delivery market is estimated to be $164.5 billion by 2023 which will grow at a breakneck pace of 11.5% per year (APR). Over the past few years just in the US, hundreds of food delivery startups have raised billions of dollars in funding. Though most of these startups are focused on local communities, some of them have expanded their operations nationwide and are quickly increasing their foothold in other geographies as well. The user base for these startups is also rapidly increasing. This growth has made it obvious that the current model of brick and mortar sit-in restaurants is neither efficient nor sufficient to keep up with the ever-increasing appetite of a growing middle class.

Cloud Kitchens are an answer to meet the ever-increasing consumer demand for quick delivery and a greater variety. Automation in the restaurant industry is still very much in its infancy, but the landscape seems to be changing rapidly, with several prototypes already in operation. There are some optimistic industry views on the potential of robotics and AI to reduce the cost of prepared/delivered meals. Ground-based robots and aerial drones could further assist a growing gig economy to reduce the delivery cost and provide protection against theft. The future of cloud kitchen beholds automated standardized processes that use machine learning-based prediction tools and robot chefs to prepare customized quality meals in record times and get them delivered at lightning-fast speeds.

Cloud Kitchen Model Analysis from an Operations perspective

When it comes to technology-based new businesses that aim to imbibe operational principles and improve upon their execution as compared to the traditional way of doing things, Cloud kitchens present a fascinating case study. This part highlights how cloud kitchens are leveraging technology in conjunction with operational concepts to re-organize the food space.

Newsvendor Model — Since the food industry suffers from uncertain demand and perishable inventory, the newsvendor model suits this industry’s mathematical requirements of creating an effective operations management system. Distributed kitchens enable businesses to open more branches. More branches lead to a better distribution of orders especially in peak times and reduce the standard deviation of the orders. This, in turn, reduces lost sales and helps efficiently manage inventory. This improves yield and reduces wastage and a shortage of both raw materials and food orders.

Flexibility — One of the common operational themes across the initial set of cloud kitchens is their distribution of area among their network by Pincode. Each Pincode is served by a given number of e-kitchens distributed across geographies. In turn, each kitchen also serves 2–3 pincodes (in urban cities) based on their locations. This essentially is very close to a 1-chain n-links system which increases capacity utilization, minimizes the impact of bottlenecks and generates better value. In addition, there is a minimal cost associated with the setup and renting of kitchens, most of which is recoverable in terms of real estate, so experimenting to maximize utilization is cheaper compared to traditional restaurant models.

Focus — A traditional restaurant needs to have an average of 15 dishes on its menu to cater to varied customer tastes. For making these dishes, they can hire a limited number of chefs who would specialize in some of these dishes but would be average in the preparation of others. With cloud kitchens, restaurants can focus on a set number of dishes and create structured processes of their preparation led by a specialized chef. This focus can be reflected in the emerging popularity of meal boxes and day-specific dishes. This leads to improved and predictable food quality creating a loyal customer base. Though the focus on a limited set of cuisines exposes the business model to market risk, cloud kitchens can quickly learn given a timely prediction of change in meal preferences owing to asset-light model, mobile food production process and advanced technological setup.

Resequencing (Little’s Law) — Ghost kitchens have brought about a transition from traditional Build to Order t o Build to Forecast , i.e. food orders are pre-prepared based on past trends. The inventory consists of partially prepared menu items ready to be processed and delivered. This significantly reduces service time and results in satisfied customers whose orders were delivered in reduced time. This generates more demand and feeds into analytics to further improve the forecast. In addition, the prediction is based on a pooled consumer base which reduces volatility and brings more certainty in the orders. Structured processes also help minimize the impact of bottlenecks on overall system efficiency by redistributing tasks and automating such processes. With state-of-the-art kitchen equipment and robot chefs, cloud kitchen is trying to eliminate the human factors almost entirely from the process.

How does the future look?

In summary, powered by the advancement in technology, changing consumer food consumption trends and an operationally sound business model, Cloud Kitchens are in the process of revolutionizing the food industry. Fast growth of e-kitchens, fed by liquid VC money, has also opened avenues for innovations in the supporting functions such as order and delivery analytics, last-mile logistics and gig economy. Automated deliveries (ground bot and drone deliveries), complex machine learning algorithms and a more flexible yet efficient labor workforce will be critical factors in determining the success of this industry in the foreseeable future.

Written by Hunaid Shakkarwala

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What makes a story successful? Researchers have figured out a way to predict it

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Narrative reversals, or changes in fortune that take characters from heights to depths and vice versa, are a good predictor for how successful a movie, TV show or book will be, Northeastern marketing researchers say.

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There are very few universal truths about humanity, but one thing is for certain: We love stories.

Whether it’s movies, TV shows, books, political campaigns or even advertisements, people are constantly being told or telling stories every day. Entire industries are built around storytelling and understanding which stories connect with people the most.

It’s why a group of researchers at Northeastern University have tried to crack the code and answer one question: What makes a story successful?

“If you watch ‘Mad Men,’ you see it’s more of an art form, having an inspiration of how to tell a beautiful story and everything falls in place and it just magically works,” says Yakov Bart , a professor of marketing at Northeastern. “But lately a lot of people have been thinking maybe it’s not just art –– maybe there’s some science to this as well.”

By applying advanced quantitative analysis and statistical techniques to tens of thousands of movies, TV shows, books and even fundraising pitches, the researchers found one core element of storytelling that helped predict a story’s success with audiences: narrative reversals. 

Most people are familiar with what a narrative reversal is, even if they don’t know it by name. Something is going well for a character –– Romeo falls in love with Juliet –– only for something bad to happen to that character –– Tybalt, Juliet’s cousin, is enraged and tries to kill Romeo. Or a character is down in the dumps and has a positive experience that changes things for the better.

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“We develop a way, using these advanced text analysis techniques, to quantify and try to measure the frequency and intensity of narrative reversals across a wide set of storytelling contexts,” says Samsun Knight, a research affiliate at Northeastern’s DATA Initiative and published author. “We show that this does indeed predict which stories tend to be more successful. This holds even if you look in a given TV show which episodes are more successful.”

Using a collection of 30,000 texts, which included TV shows, movies, books and fundraising pitches, the researchers analyzed them based on how positive or negative the language in a given section was. Based on that, they were able to measure how well things are going for the characters in a given story and when that situation changed, or reversed.

They counted the number of reversals that took place in each story, also measuring the frequency and intensity of each reversal and discovered it’s a fairly accurate predictor of how well a story will connect with people. In this case, that meant a movie or TV show’s audience rating on IMDb, how frequently people downloaded a book and how much money a fundraising pitch earned.

“It’s not the sole determiner of how successful a story is, but we were impressed with its consistency and the fact that it’s so simple,” Matt Rocklage , an assistant professor of marketing at Northeastern says. “The more of those reversals there are, the more successful these stories are, and the bigger these reversals are, the more successful these stories are.”

Knight says this research isn’t meant to create a formula for writers to tell their stories, but he hopes it can help writers avoid easy pitfalls when charting their story.

“In the most intuitive sense, people tend not to respond to places where nothing is getting better and nothing is getting worse,” Knight says. “You don’t want these sags in your story. … I love Samuel Beckett –– there are exceptions to every rule –– but broadly speaking, this type of unit of narrative propulsion tends to be exceptionally important. Leon Katz, a prominent dramaturg at the Yale School of Drama, called such narrative reversals the ‘formal unit’ of plot. In the same way that paragraphs are constructed out of sentences, a plot will tend to be structured out of reversals.”

Beyond people who are intent on writing the next Oscar-winning screenplay or bestselling novel, Knight says this research highlights how narrative reversals can be a useful tool in more practical contexts too. For those writing a cover letter to apply to their dream job or working up a fundraising pitch to sell people on their business concept, “tell it like a story,” reversals and all, Knight says.

“Tell us where the reversal came in where now you’re actually needing to ask for help or tell us where things could maybe come back up if you were to receive that help,” Knight says. “Structuring your communications with this rule of thumb in mind might help get your point across and just engage people more successfully.”

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