difference between a literature review and an essay

Literature Review vs. Essay.

It is easy to get confused about the difference between literature reviews and essays because these two writing structures can be based on the same research.  However, the main difference is on where the emphasis is placed.

The purpose of an essay is to use what is known about a subject to prove an argument or point of view.  Not all of the knowledge of a topic may be used in an essay, but only what is relevant to the argument.  In an essay, mentioning the people who discovered or developed the knowledge is generally only for referencing purposes.

On the other hand, a literature review is designed to be a critical analysis of all the knowledge that has been discovered about a subject.  Its purpose is to examine all that others have already discovered about the subject and the researchers working on the subject are considered to be key.

At a sentence level, one way to emphasise a particular aspect of a subject is to place that aspect at the beginning of sentences and paragraphs.

In an essay, where the focus is on the knowledge itself, it is put to the front of sentences.  For example:

Playing computer and video games have risen dramatically in popularity.  It is estimated that three billion hours of gaming are played globally each week.  The major reason for this is because players are able to tap into a high level of emotional satisfaction that is difficult to experience in everyday life (McGonigal, 2011).

However, in literature reviews what is considered to be more important are the authors and researchers who found or developed the information.  Therefore they appear at the beginning of sentences.

  Jane McGonigal (2011) estimates that three billion hours of gaming are played globally every week.  Her research suggests that the major reason for this is because players are able to tap into a high level of emotional satisfaction that is difficult to experience in everyday life.

This is not to say that both kinds of sentences can be used in both types of writing.  However, the overall trend for essays is to emphasise the information, whereas for literature reviews the trend is to emphasise the authors.

For more on the differences between the structure of essays and the structure of literature reviews ,  check out QUT Cite|Write

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Thank you for your help! I understand what has been said here but when I re-read my literature review, it sounds just like an essay. Does anyone have any more tips?

Have you looked at our Literature Review checklist ? You might like to compare the checklist to your own work.

Cheers, Megan

To me a literature review is about stating what other researchers think of the topic. So, mostly I just restate what they said and put that in a nice form. Still, it’s indeed really hard to draw a clear line between the two, well, between any type of papers. For example, this literature essay on Beowulf is said to be an essay. But shouldn’t an essay have a thesis statement, some ideas to prove? Well, this one doesn’t have them. It looks like a narrative essay still it doesn’t tell a personal story. So, in the end I just cannot clearly define it.

Thanks for your comment! You can take a look at our page for Writing an Essay for some examples of different essay styles.

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Thank you, Jennifer, I also confused on this difference between literature reviews and essays. You define is very well I’m so glad. Before I will write essays and a research paper on a daily basis meantime I found a written research paper on literature . Here are lots of research papers I see I have shared one, and I hope that this would add value to the readers.

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i am doing research on cultural discrimination and cultural value .but after many articles read link not comes in mind how to do review .kindly help to do some kind trick and tips as i do start and remove my confusion many thanks shazia

Have you looked at our Literature Review checklist? You might like to compare the checklist to your own work. https://www.citewrite.qut.edu.au/write/litreview.jsp

If you’re studying at a university, get in touch with your librarian who might also be able to provide you with some useful information or meet with you on an individual basis.

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A literature review is a critical evaluation of existing research on a particular topic. It can be used to identify gaps in existing knowledge, assess a particular idea or concept, and to provide a framework for further research.

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Home » Education » Difference Between Literature Review and Essay

Difference Between Literature Review and Essay

Main difference – literature review vs essay.

Literature review and essays are two types of writing that students are required to write. An essay is usually a brief piece of writing on a particular topic. However, a literature review is a part of a research study where the researcher/students are required to read, analyse and evaluate the works of different authors and create a report. Writing a literature review is fairly complex than writing an essay . This is the main difference between literature review and essay.

This article describes,

1. What is an Essay?      – Features, Types, Structure

2. What is a Literature Review      – Features, Preparation, Structure

3. Difference Between Literature Review and Essay

What is an Essay

An essay is a short piece of writing on a particular topic. This writing describes, analyses and evaluates the given topic. Essays are often a combination of facts and figures, opinions and ideas of the writer. There are various types of essays such as narrative essays, descriptive essays, argumentative essays , persuasive essays, expository essays , etc. The content and the purpose of an essay depends on the type of the essay. For example, if you are writing a persuasive essay , your aim is to persuade your readers to agree with you and understand your point; the content of the essay will contain strong arguments and facts. On the contrary, if you are writing a narrative essay , narrating a story and retaining the attention of your readers will be your main argument. 

An essay basically has three sections known as introduction, body and conclusion; all three of these sections are equally important. Introduction grabs the attention of the readers and gives a brief idea about what the whole essay is going to be about. It is the body of the essay that builds arguments, analyses an issue or elaborates on a concept. The conclusion briefly summarises the essay and expresses writer’s opinion of the topic.

What is a Literature Review

Literature review is an essential part of a research study. This is an evaluative report of information found in the literature related to a selected are of study. Thus, literature review is the starting point of research since it makes the researcher summarise, evaluate and compare the most significant and relevant information and sources in the relevant field. It also helps the researcher identify the gaps, inconsistencies as well as contradictions in the literature.

So in order to write a literature review, you have to read research articles, books, and journals regarding your specific topic. Then decide what information is most relevant to the topic. Then you can summarize, analyze and compare this information. This systematic analysis will also help you to find research gaps in the field.

A  Good Literature Review should:

• Compare and Contrast different views of authors
• Note areas where the authors are in disagreement
• Group authors with similar views to gather
• Highlight gaps in the research area
• Explain how the study is going to relate to previous research

The structure of a literature review is similar to the structure of an essay or an article. However, the end of the literature review always contains the list of sources, written in an accepted citation style.

Definition:

Literature Review is an evaluative report of information found in the literature related to the researcher’s selected area of study.

Essay is a short piece of writing on a particular topic.

Literature Review consists of summaries, comparison, evaluation and analysis of the works of different writers.

Essay mostly contains writer’s ideas, opinions, along with facts and figures to strengthen the writer’s views.

Complexity:

Literature Review is more complex than an essay.

Essays can be even written by primary students.

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The Literature Review

30 Understanding the Difference Between a Literature Review and an Essay

So now that you know what a literature review is and how to write it, it is important to understand how a literature review is different from an essay. First of all, it is necessary to point out that many students struggle with understanding the difference between a literature review and an essay.  This is particularly so because a student can use the exact same resources to create a literature review or an essay; however, what is different about the two is where the emphasis in the writing is placed (Thomas 2012).

A discussed previously, a literature review focuses on everything that has been written about a particular topic, theory, or research.  It is focused on the research and the researchers who have undertaken research on your topic. In contrast, an essay focuses on proving a point.  It does not need to provide an extensive coverage of all of the material on the topic. In fact, the writer chooses only those sources that prove the point. Most professors will expect to see you discuss a few different perspectives from the materials that run contrary to the point you are trying to make. For example, suppose you want to write an essay about the negative effects of shiftwork on nurses.  You would gather material to show that shiftwork negatively affects nurses, and the various ways it affects nurses. Now in this case, you might find the odd research paper that states shiftwork has no effect – although, I doubt it, because it has been extensively documented to have a negative affect. However, the point is that with an essay you are focused on providing information on your topic and proving your point.

Understanding the difference between a literature review and an annotated bibliography

There is a third type of academic writing that can also confuse students who are attempting to write a literature review … and that is an annotated bibliography.  An annotated bibliography provides all of the reference details of a bibliography, but it goes one step further and provides a short (approximately 150 words) description of the reference.  An annotated bibliography is not to be confused with a bibliography. A bibliography is a list of journal articles, books, and other resources that someone has utilized in writing. The bibliography, provides a list of all resources that someone used to write a research paper and, unlike a reference list, includes references that may not appear in the body of the paper.  No doubt you have had to create many bibliographies in your academic studies. Here is a link to a website where you can learn more about annotated bibliographies and also to see a sample of an annotated bibliography: Annotated Bibliographies

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How to Write a Literature Review

• What is a literature review

How is a literature review different from a research paper?

• What should I do before starting my literature review?
• What type of literature review should I write and how should I organize it?
• What should I be aware of while writing the literature review?
• For more information on Literature Reviews
• More Research Help

The purpose of an academic research paper is to develop a new argument. The literature review is one part of a research paper. In a research paper, you use the literature review as a foundation and as support for the new insight that you contribute. The focus of a literature review, however, is to summarize and analyze the arguments and ideas of others without adding new contributions.

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Literature Reviews

What this handout is about.

This handout will explain what literature reviews are and offer insights into the form and construction of literature reviews in the humanities, social sciences, and sciences.

Introduction

OK. You’ve got to write a literature review. You dust off a novel and a book of poetry, settle down in your chair, and get ready to issue a “thumbs up” or “thumbs down” as you leaf through the pages. “Literature review” done. Right?

Wrong! The “literature” of a literature review refers to any collection of materials on a topic, not necessarily the great literary texts of the world. “Literature” could be anything from a set of government pamphlets on British colonial methods in Africa to scholarly articles on the treatment of a torn ACL. And a review does not necessarily mean that your reader wants you to give your personal opinion on whether or not you liked these sources.

What is a literature review, then?

A literature review discusses published information in a particular subject area, and sometimes information in a particular subject area within a certain time period.

A literature review can be just a simple summary of the sources, but it usually has an organizational pattern and combines both summary and synthesis. A summary is a recap of the important information of the source, but a synthesis is a re-organization, or a reshuffling, of that information. It might give a new interpretation of old material or combine new with old interpretations. Or it might trace the intellectual progression of the field, including major debates. And depending on the situation, the literature review may evaluate the sources and advise the reader on the most pertinent or relevant.

But how is a literature review different from an academic research paper?

The main focus of an academic research paper is to develop a new argument, and a research paper is likely to contain a literature review as one of its parts. In a research paper, you use the literature as a foundation and as support for a new insight that you contribute. The focus of a literature review, however, is to summarize and synthesize the arguments and ideas of others without adding new contributions.

Why do we write literature reviews?

Literature reviews provide you with a handy guide to a particular topic. If you have limited time to conduct research, literature reviews can give you an overview or act as a stepping stone. For professionals, they are useful reports that keep them up to date with what is current in the field. For scholars, the depth and breadth of the literature review emphasizes the credibility of the writer in his or her field. Literature reviews also provide a solid background for a research paper’s investigation. Comprehensive knowledge of the literature of the field is essential to most research papers.

Who writes these things, anyway?

Literature reviews are written occasionally in the humanities, but mostly in the sciences and social sciences; in experiment and lab reports, they constitute a section of the paper. Sometimes a literature review is written as a paper in itself.

Let’s get to it! What should I do before writing the literature review?

If your assignment is not very specific, seek clarification from your instructor:

• Roughly how many sources should you include?
• What types of sources (books, journal articles, websites)?
• Should you summarize, synthesize, or critique your sources by discussing a common theme or issue?
• Should you evaluate your sources?
• Should you provide subheadings and other background information, such as definitions and/or a history?

Find models

Look for other literature reviews in your area of interest or in the discipline and read them to get a sense of the types of themes you might want to look for in your own research or ways to organize your final review. You can simply put the word “review” in your search engine along with your other topic terms to find articles of this type on the Internet or in an electronic database. The bibliography or reference section of sources you’ve already read are also excellent entry points into your own research.

Narrow your topic

There are hundreds or even thousands of articles and books on most areas of study. The narrower your topic, the easier it will be to limit the number of sources you need to read in order to get a good survey of the material. Your instructor will probably not expect you to read everything that’s out there on the topic, but you’ll make your job easier if you first limit your scope.

Keep in mind that UNC Libraries have research guides and to databases relevant to many fields of study. You can reach out to the subject librarian for a consultation: https://library.unc.edu/support/consultations/ .

And don’t forget to tap into your professor’s (or other professors’) knowledge in the field. Ask your professor questions such as: “If you had to read only one book from the 90’s on topic X, what would it be?” Questions such as this help you to find and determine quickly the most seminal pieces in the field.

Consider whether your sources are current

Some disciplines require that you use information that is as current as possible. In the sciences, for instance, treatments for medical problems are constantly changing according to the latest studies. Information even two years old could be obsolete. However, if you are writing a review in the humanities, history, or social sciences, a survey of the history of the literature may be what is needed, because what is important is how perspectives have changed through the years or within a certain time period. Try sorting through some other current bibliographies or literature reviews in the field to get a sense of what your discipline expects. You can also use this method to consider what is currently of interest to scholars in this field and what is not.

Strategies for writing the literature review

Find a focus.

A literature review, like a term paper, is usually organized around ideas, not the sources themselves as an annotated bibliography would be organized. This means that you will not just simply list your sources and go into detail about each one of them, one at a time. No. As you read widely but selectively in your topic area, consider instead what themes or issues connect your sources together. Do they present one or different solutions? Is there an aspect of the field that is missing? How well do they present the material and do they portray it according to an appropriate theory? Do they reveal a trend in the field? A raging debate? Pick one of these themes to focus the organization of your review.

Convey it to your reader

A literature review may not have a traditional thesis statement (one that makes an argument), but you do need to tell readers what to expect. Try writing a simple statement that lets the reader know what is your main organizing principle. Here are a couple of examples:

The current trend in treatment for congestive heart failure combines surgery and medicine. More and more cultural studies scholars are accepting popular media as a subject worthy of academic consideration.

Consider organization

You’ve got a focus, and you’ve stated it clearly and directly. Now what is the most effective way of presenting the information? What are the most important topics, subtopics, etc., that your review needs to include? And in what order should you present them? Develop an organization for your review at both a global and local level:

First, cover the basic categories

Just like most academic papers, literature reviews also must contain at least three basic elements: an introduction or background information section; the body of the review containing the discussion of sources; and, finally, a conclusion and/or recommendations section to end the paper. The following provides a brief description of the content of each:

• Introduction: Gives a quick idea of the topic of the literature review, such as the central theme or organizational pattern.
• Body: Contains your discussion of sources and is organized either chronologically, thematically, or methodologically (see below for more information on each).
• Conclusions/Recommendations: Discuss what you have drawn from reviewing literature so far. Where might the discussion proceed?

Organizing the body

Once you have the basic categories in place, then you must consider how you will present the sources themselves within the body of your paper. Create an organizational method to focus this section even further.

To help you come up with an overall organizational framework for your review, consider the following scenario:

You’ve decided to focus your literature review on materials dealing with sperm whales. This is because you’ve just finished reading Moby Dick, and you wonder if that whale’s portrayal is really real. You start with some articles about the physiology of sperm whales in biology journals written in the 1980’s. But these articles refer to some British biological studies performed on whales in the early 18th century. So you check those out. Then you look up a book written in 1968 with information on how sperm whales have been portrayed in other forms of art, such as in Alaskan poetry, in French painting, or on whale bone, as the whale hunters in the late 19th century used to do. This makes you wonder about American whaling methods during the time portrayed in Moby Dick, so you find some academic articles published in the last five years on how accurately Herman Melville portrayed the whaling scene in his novel.

Now consider some typical ways of organizing the sources into a review:

• Chronological: If your review follows the chronological method, you could write about the materials above according to when they were published. For instance, first you would talk about the British biological studies of the 18th century, then about Moby Dick, published in 1851, then the book on sperm whales in other art (1968), and finally the biology articles (1980s) and the recent articles on American whaling of the 19th century. But there is relatively no continuity among subjects here. And notice that even though the sources on sperm whales in other art and on American whaling are written recently, they are about other subjects/objects that were created much earlier. Thus, the review loses its chronological focus.
• By publication: Order your sources by publication chronology, then, only if the order demonstrates a more important trend. For instance, you could order a review of literature on biological studies of sperm whales if the progression revealed a change in dissection practices of the researchers who wrote and/or conducted the studies.
• By trend: A better way to organize the above sources chronologically is to examine the sources under another trend, such as the history of whaling. Then your review would have subsections according to eras within this period. For instance, the review might examine whaling from pre-1600-1699, 1700-1799, and 1800-1899. Under this method, you would combine the recent studies on American whaling in the 19th century with Moby Dick itself in the 1800-1899 category, even though the authors wrote a century apart.
• Thematic: Thematic reviews of literature are organized around a topic or issue, rather than the progression of time. However, progression of time may still be an important factor in a thematic review. For instance, the sperm whale review could focus on the development of the harpoon for whale hunting. While the study focuses on one topic, harpoon technology, it will still be organized chronologically. The only difference here between a “chronological” and a “thematic” approach is what is emphasized the most: the development of the harpoon or the harpoon technology.But more authentic thematic reviews tend to break away from chronological order. For instance, a thematic review of material on sperm whales might examine how they are portrayed as “evil” in cultural documents. The subsections might include how they are personified, how their proportions are exaggerated, and their behaviors misunderstood. A review organized in this manner would shift between time periods within each section according to the point made.
• Methodological: A methodological approach differs from the two above in that the focusing factor usually does not have to do with the content of the material. Instead, it focuses on the “methods” of the researcher or writer. For the sperm whale project, one methodological approach would be to look at cultural differences between the portrayal of whales in American, British, and French art work. Or the review might focus on the economic impact of whaling on a community. A methodological scope will influence either the types of documents in the review or the way in which these documents are discussed. Once you’ve decided on the organizational method for the body of the review, the sections you need to include in the paper should be easy to figure out. They should arise out of your organizational strategy. In other words, a chronological review would have subsections for each vital time period. A thematic review would have subtopics based upon factors that relate to the theme or issue.

Sometimes, though, you might need to add additional sections that are necessary for your study, but do not fit in the organizational strategy of the body. What other sections you include in the body is up to you. Put in only what is necessary. Here are a few other sections you might want to consider:

• Current Situation: Information necessary to understand the topic or focus of the literature review.
• History: The chronological progression of the field, the literature, or an idea that is necessary to understand the literature review, if the body of the literature review is not already a chronology.
• Methods and/or Standards: The criteria you used to select the sources in your literature review or the way in which you present your information. For instance, you might explain that your review includes only peer-reviewed articles and journals.

Questions for Further Research: What questions about the field has the review sparked? How will you further your research as a result of the review?

Begin composing

Once you’ve settled on a general pattern of organization, you’re ready to write each section. There are a few guidelines you should follow during the writing stage as well. Here is a sample paragraph from a literature review about sexism and language to illuminate the following discussion:

However, other studies have shown that even gender-neutral antecedents are more likely to produce masculine images than feminine ones (Gastil, 1990). Hamilton (1988) asked students to complete sentences that required them to fill in pronouns that agreed with gender-neutral antecedents such as “writer,” “pedestrian,” and “persons.” The students were asked to describe any image they had when writing the sentence. Hamilton found that people imagined 3.3 men to each woman in the masculine “generic” condition and 1.5 men per woman in the unbiased condition. Thus, while ambient sexism accounted for some of the masculine bias, sexist language amplified the effect. (Source: Erika Falk and Jordan Mills, “Why Sexist Language Affects Persuasion: The Role of Homophily, Intended Audience, and Offense,” Women and Language19:2).

Use evidence

In the example above, the writers refer to several other sources when making their point. A literature review in this sense is just like any other academic research paper. Your interpretation of the available sources must be backed up with evidence to show that what you are saying is valid.

Be selective

Select only the most important points in each source to highlight in the review. The type of information you choose to mention should relate directly to the review’s focus, whether it is thematic, methodological, or chronological.

Use quotes sparingly

Falk and Mills do not use any direct quotes. That is because the survey nature of the literature review does not allow for in-depth discussion or detailed quotes from the text. Some short quotes here and there are okay, though, if you want to emphasize a point, or if what the author said just cannot be rewritten in your own words. Notice that Falk and Mills do quote certain terms that were coined by the author, not common knowledge, or taken directly from the study. But if you find yourself wanting to put in more quotes, check with your instructor.

Summarize and synthesize

Remember to summarize and synthesize your sources within each paragraph as well as throughout the review. The authors here recapitulate important features of Hamilton’s study, but then synthesize it by rephrasing the study’s significance and relating it to their own work.

Keep your own voice

While the literature review presents others’ ideas, your voice (the writer’s) should remain front and center. Notice that Falk and Mills weave references to other sources into their own text, but they still maintain their own voice by starting and ending the paragraph with their own ideas and their own words. The sources support what Falk and Mills are saying.

Use caution when paraphrasing

When paraphrasing a source that is not your own, be sure to represent the author’s information or opinions accurately and in your own words. In the preceding example, Falk and Mills either directly refer in the text to the author of their source, such as Hamilton, or they provide ample notation in the text when the ideas they are mentioning are not their own, for example, Gastil’s. For more information, please see our handout on plagiarism .

Revise, revise, revise

Draft in hand? Now you’re ready to revise. Spending a lot of time revising is a wise idea, because your main objective is to present the material, not the argument. So check over your review again to make sure it follows the assignment and/or your outline. Then, just as you would for most other academic forms of writing, rewrite or rework the language of your review so that you’ve presented your information in the most concise manner possible. Be sure to use terminology familiar to your audience; get rid of unnecessary jargon or slang. Finally, double check that you’ve documented your sources and formatted the review appropriately for your discipline. For tips on the revising and editing process, see our handout on revising drafts .

Works consulted

We consulted these works while writing this handout. This is not a comprehensive list of resources on the handout’s topic, and we encourage you to do your own research to find additional publications. Please do not use this list as a model for the format of your own reference list, as it may not match the citation style you are using. For guidance on formatting citations, please see the UNC Libraries citation tutorial . We revise these tips periodically and welcome feedback.

Anson, Chris M., and Robert A. Schwegler. 2010. The Longman Handbook for Writers and Readers , 6th ed. New York: Longman.

Jones, Robert, Patrick Bizzaro, and Cynthia Selfe. 1997. The Harcourt Brace Guide to Writing in the Disciplines . New York: Harcourt Brace.

Lamb, Sandra E. 1998. How to Write It: A Complete Guide to Everything You’ll Ever Write . Berkeley: Ten Speed Press.

Rosen, Leonard J., and Laurence Behrens. 2003. The Allyn & Bacon Handbook , 5th ed. New York: Longman.

Troyka, Lynn Quittman, and Doug Hesse. 2016. Simon and Schuster Handbook for Writers , 11th ed. London: Pearson.

You may reproduce it for non-commercial use if you use the entire handout and attribute the source: The Writing Center, University of North Carolina at Chapel Hill

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So, now that you know what a literature review is and how to write it, it is important to understand how a literature review is different from an essay. First of all, it is necessary to point out that many students struggle with understanding the difference between a literature review and an essay. This is particularly so because a student can use the exact same resources to create a literature review or an essay; however, what is different about the two is where the emphasis in the writing is placed (Thomas 2012).

A literature review focuses on everything that has been written about a particular topic, theory, or body of research. It is focused on the research and the researchers who have undertaken research on your topic. In contrast, an essay focuses on proving a point. It does not need to provide an extensive coverage of all of the material on the topic. In fact, the writer chooses only those sources that prove the point. Most professors will expect to see you discuss a few different perspectives from the materials that run contrary to the point you are trying to make. For example, suppose you want to write an essay about the negative effects of shiftwork on nurses. You would gather material to show that shiftwork negatively affects nurses, and the various ways it affects nurses. Now in this case, you might find the odd research paper that states shiftwork has no effect – although this seems unlikely because it has been extensively documented to have a negative effect. However, in an essay you are focused on providing information on your topic and proving your point.

Research Methods, Data Collection and Ethics Copyright © 2020 by Valerie Sheppard is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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Literature Review vs Research Paper: What’s the Difference?

by  Antony W

June 26, 2024

This is a complete student’s guide to understanding literature review vs research paper.

We’ll teach you what they’re, explain why they’re important, state the difference between the two, and link you to our comprehensive guide on how to write them.

Literature Review Writing Help

Writing a literature review for a thesis, a research paper, or as a standalone assignment takes time. Much of your time will go into research, not to mention you have other assignments to complete. 

If you find writing in college or university overwhelming, get in touch with our literature review writers for hire at 25% discounts and enjoy the flexibility and convenience that comes with professional writing help. We’ll help you do everything, from research and outlining to custom writing and proofreading.

What is a Literature Review?

A literature review document is a secondary source of information that provides an overview of existing knowledge, which you can use to identify gaps or flaws in existing research. In literature review writing, students have to find and read existing publications such as journal articles, analyze the information, and then state their findings.

Credit: Pubrica

You’ll write a literature review to demonstrate your understanding on the topic, show gaps in existing research, and develop an effective methodology and a theoretical framework for your research project.

Your instructor may ask you to write a literature review as a standalone assignment. Even if that’s the case, the rules for writing a review paper don’t change.

In other words, you’ll still focus on evaluating the current research and find gaps around the topic.

Types of Literature Reviews

There are three types of review papers and they’re a follows:

 1. Meta-analysis

In meta-analysis review paper, you combine and compare answers from already published studies on a given subject.

2. Narrative Review

A narrative review paper looks into existing information or research already conducted on a given topic.

3. Systematic Review

You need to do three things if asked to write a systematic review paper.

First, read and understand the question asked. Second, look into research already conducted on the topic. Third, search for the answer to the question from the established research you just read.

What’s a Research Paper?

A research paper is an assignment in which you present your own argument, evaluation, or interpretation of an issue based on independent research.

In a research paper project, you’ll draw some conclusions from what experts have already done, find gaps in their studies, and then draw your own conclusions.

While a research paper is like an academic essay, it tends to be longer and more detailed.

Since they require extended research and attention to details, research papers can take a lot of time to write.

If well researched, your research paper can demonstrate your knowledge about a topic, your ability to engage with multiple sources, and your willingness to contribute original thoughts to an ongoing debate.

Types of Research Papers

 There are two types of research papers and they’re as follows:

 1. Analytical Research Papers

 Similar to analytical essay , and usually in the form of a question, an analytical research paper looks at an issue from a neutral point and gives a clear analysis of the issue.

Your goal is to make the reader understand both sides of the issue in question and leave it to them to decide what side of the analysis to accept.

Unlike an argumentative research paper, an analytical research paper doesn’t include counterarguments. And you can only draw your conclusion based on the information stretched out all through the analysis.

2. Argumentative Research Papers

In an argumentative research paper, you state the subject under study, look into both sides of an issue, pick a stance, and then use solid evidence and objective reasons to defend your position.

In   argumentative writing, your goal isn’t to persuade your audience to take an action. 

Rather, it’s to convince them that your position on the research question is more accurate than the opposing point of views.

Regardless of the type of research paper that you write, you’ll have to follow the standard outline for the assignment to be acceptable for review and marking.

Also, all research paper, regardless of the research question under investigation must include a literature review.

Literature Review vs Research Paper

The table below shows the differences between a literature review (review paper) and a research paper. 

Frequently Asked Questions

1. is there a literature review in a research paper.

A research paper assignment must include a literature review immediately after the introduction chapter.

The chapter is significant because your research work would otherwise be incomplete without knowledge of existing literature. 

2. How Many Literature Review Should Be in Research Paper?

Your research paper  should have only one literature review. Make sure you write the review based on the instructions from your teacher.

Before you start, check the required length, number of sources to summarize, and the format to use. Doing so will help you score top grades for the assignment. 

3. What is the Difference Between Research and Literature?

Whereas literature focuses on gathering, reading, and summarizing information on already established studies, original research involves coming up with new concepts, theories, and ideas that might fill existing gaps in the available literature.

4. How Long is a Literature Review?

How long a literature review should be will depend on several factors, including the level of education, the length of the assignment, the target audience, and the purpose of the review.

For example, a 150-page dissertation can have a literature review of 40 pages on average.

Make sure you talk to your instructor to determine the required length of the assignment.

5. How Does a Literature Review Look Like?

Your literature review shouldn’t be a focus on original research or new information. Rather, it should give a clear overview of the already existing work on the selected topic.

The information to review can come from various sources, including scholarly journal articles , government reports, credible websites, and academic-based books. 

About the author 

Antony W is a professional writer and coach at Help for Assessment. He spends countless hours every day researching and writing great content filled with expert advice on how to write engaging essays, research papers, and assignments.

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

• An introductory paragraph that explains what your working topic and thesis is
• A forecast of key topics or texts that will appear in the review
• Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
• Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically Evaluate: Mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

• Summarize the key findings you have taken from the literature and emphasize their significance
• Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

• Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
• Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
• Qualitative versus quantitative research
• Empirical versus theoretical scholarship
• Divide the research by sociological, historical, or cultural sources
• Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

• It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
• Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
• Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
• Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

Literature reviews: Stand-alone review

• Reviewing for research
• Stand-alone review
• Scoping and planning
• Screening and appraising
• The process of reviewing
• Planning a search strategy

On these pages:

“Simple [stand-alone] literature review - A written document that critically reviews the relevant literature on a research topic, presenting a logical case that establishes a thesis delineating what is currently known about the subject.” Lawrence Machi & Brenda McEvoy , The Literature Review: Six Steps to Success

Literature reviews do not have to be part of a larger research project. Sometimes you are asked to undertake a stand-alone (sometimes referred to as 'simple') literature review as an separate assignment. In such cases, the review should summarise, synthesise and evaluate existing knowledge on a specific topic and come to a conclusion about current understanding.

Structure of a stand-alone literature review

A stand-alone review has a similar structure to a standard essay:

• Introduction - Show how the topic of your review fits in with the wider field, indicate how you conducted the review (details about specific search strategies are not needed, more an overview of the process) and summarise your main findings about the literature.
• Main body - Analyse the literature, identifying themes, gaps in understanding and areas of disagreement.
• Conclusion  - Summarise the main points and how they relate to each other. Restate your main findings in a bit more detail than you did in the introduction. Give any implications for the wider field.

Essay vs stand-alone literature review

The main different between an essay and a literature review is that an essay is focused on answering a question through a series of arguments supported by the literature; whereas, in a stand-alone literature review the focus is on the literature itself —what it tells you, but also its reliability and quality.

Another important difference is that with an essay you have more freedom about choosing literature that supports the argument you are making.

With a literature review, it is far more important to make sure you are representing all aspects of the topic.

This is not to say you are not making your own argument - it is just that your argument is about what you think the literature shows.

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• Literature Review: The What, Why and How-to Guide
• Introduction

Literature Review: The What, Why and How-to Guide — Introduction

• Getting Started
• How to Pick a Topic
• Strategies to Find Sources
• Evaluating Sources & Lit. Reviews
• Tips for Writing Literature Reviews
• Writing Literature Review: Useful Sites
• Citation Resources
• Other Academic Writings

What are Literature Reviews?

So, what is a literature review? "A literature review is an account of what has been published on a topic by accredited scholars and researchers. In writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries." Taylor, D.  The literature review: A few tips on conducting it . University of Toronto Health Sciences Writing Centre.

Goals of Literature Reviews

What are the goals of creating a Literature Review?  A literature could be written to accomplish different aims:

• To develop a theory or evaluate an existing theory
• To summarize the historical or existing state of a research topic
• Identify a problem in a field of research 

Baumeister, R. F., & Leary, M. R. (1997). Writing narrative literature reviews .  Review of General Psychology , 1 (3), 311-320.

What kinds of sources require a Literature Review?

• A research paper assigned in a course
• A thesis or dissertation
• A grant proposal
• An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

What kinds of literature reviews are written?

Narrative review: The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

• Example : Predictors and Outcomes of U.S. Quality Maternity Leave: A Review and Conceptual Framework:  10.1177/08948453211037398  

Systematic review : "The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find." (p. 139). Nelson, L. K. (2013). Research in Communication Sciences and Disorders . Plural Publishing.

• Example : The effect of leave policies on increasing fertility: a systematic review:  10.1057/s41599-022-01270-w

Meta-analysis : "Meta-analysis is a method of reviewing research findings in a quantitative fashion by transforming the data from individual studies into what is called an effect size and then pooling and analyzing this information. The basic goal in meta-analysis is to explain why different outcomes have occurred in different studies." (p. 197). Roberts, M. C., & Ilardi, S. S. (2003). Handbook of Research Methods in Clinical Psychology . Blackwell Publishing.

• Example : Employment Instability and Fertility in Europe: A Meta-Analysis:  10.1215/00703370-9164737

Meta-synthesis : "Qualitative meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic." (p.312). Zimmer, L. (2006). Qualitative meta-synthesis: A question of dialoguing with texts .  Journal of Advanced Nursing , 53 (3), 311-318.

• Example : Women’s perspectives on career successes and barriers: A qualitative meta-synthesis:  10.1177/05390184221113735

Literature Reviews in the Health Sciences

• UConn Health subject guide on systematic reviews Explanation of the different review types used in health sciences literature as well as tools to help you find the right review type
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Literature Reviews

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What is a literature review?

A literature review discusses published information in a particular subject area. Often part of the introduction to an essay, research report or thesis, the literature review is literally a "re" view or "look again" at what has already been written about the topic, wherein the author analyzes a segment of a published body of knowledge through summary, classification, and comparison of prior research studies, reviews of literature, and theoretical articles. Literature reviews provide the reader with a bibliographic history of the scholarly research in any given field of study. As such,  as new information becomes available, literature reviews grow in length or become focused on one specific aspect of the topic.

A literature review can be just a simple summary of the sources, but usually contains an organizational pattern and combines both summary and synthesis. A summary is a recap of the important information of the source, whereas a synthesis is a re-organization, or a reshuffling, of that information. The literature review might give a new interpretation of old material or combine new with old interpretations. Or it might trace the intellectual progression of the field, including major debates. Depending on the situation, the literature review may evaluate the sources and advise the reader on the most pertinent or relevant.

A literature review is NOT:

• An annotated bibliography – a list of citations to books, articles and documents that includes a brief description and evaluation for each citation. The annotations inform the reader of the relevance, accuracy and quality of the sources cited.
• A literary review – a critical discussion of the merits and weaknesses of a literary work.
• A book review – a critical discussion of the merits and weaknesses of a particular book.
• Teaching Information Literacy Reframed: 50+ Framework-Based Exercises for Creating Information-Literate Learners
• The UNC Writing Center – Literature Reviews
• The UW-Madison Writing Center: The Writer’s Handbook – Academic and Professional Writing – Learn How to Write a Literature Review

What is the difference between a literature review and a research paper?

The focus of a literature review is to summarize and synthesize the arguments and ideas of others without adding new contributions, whereas academic research papers present and develop new arguments that build upon the previously available body of literature.

How do I write a literature review?

There are many resources that offer step-by-step guidance for writing a literature review, and you can find some of them under Other Resources in the menu to the left. Writing the Literature Review: A Practical Guide suggests these steps:

• Chose a review topic and develop a research question
• Locate and organize research sources
• Select, analyze and annotate sources
• Evaluate research articles and other documents
• Structure and organize the literature review
• Develop arguments and supporting claims
• Synthesize and interpret the literature
• Put it all together

What is the purpose of writing a literature review?

Literature reviews serve as a guide to a particular topic: professionals can use literature reviews to keep current on their field; scholars can determine credibility of the writer in his or her field by analyzing the literature review.

As a writer, you will use the literature review to:

• See what has, and what has not, been investigated about your topic
• Identify data sources that other researches have used
• Learn how others in the field have defined and measured key concepts
• Establish context, or background, for the argument explored in the rest of a paper
• Explain what the strengths and weaknesses of that knowledge and ideas might be
• Contribute to the field by moving research forward
• To keep the writer/reader up to date with current developments in a particular field of study
• Develop alternative research projects
• Put your work in perspective
• Demonstrate your understanding and your ability to critically evaluate research in the field
• Provide evidence that may support your own findings
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Study Skills

Literature review assignments

All scholars refer to the work of other scholars in their writing. In this way, they participate in a type of academic conversation that helps to build knowledge in their discipline. As a student, you also participate in this conversation by referencing the experts in your field. Literature reviews are one type of assignment that develops your ability to do this.

This material aims to help undergraduate and postgraduate coursework students who need to write a short literature review as a university assignment. If you are a research student, visit Writing a literature review  in Research Communication.

This page will help you to meet your lecturers'expectations by:

self-evaluating your current strengths and weaknesses

considering the purpose of literature review assignments 

following logical steps to write the review

asking questions to evaluate the literature 

organising notes for literature review assignments 

structuring your literature review assignment effectively

choosing appropriate language to report on and critique literature.

Download this summary sheet for your own reference.

Introduction to literature review assignments

This section gives a simple overview of literature review assignments. It includes their purpose, a process for writing a review, questions for evaluating literature, and a method for organising your notes.

Before you continue, reflect on your previous writing experiences and the feedback you have received. How would you rate your ability in the following skills? Rate your ability from ‘good’ to ‘needs development’.

Reflect on your answers. Congratulations if you feel confident about your skills. You may find it helpful to review the materials on this page to confirm your knowledge and possibly learn more. Don't worry if you don't feel confident. Work through these materials to build your skills.

Learn more about literature reviews as an assignment by watching this video: 

Reflect on what you have learned in the video about literature reviews as an assignment. Select the best sentence out of each pair to create a summary of the main points. 

What's the difference between an essay and a literature review? 

An essay examines a topic : you discuss the topic and the literature is used as evidence to support your ideas.

A literature review examines the literature of a topic : you discuss what has been published on that topic. In fact, we can say that the literature is the topic. 

Before you begin your literature review, you should try to understand the purpose of the task.  

Read the instructions carefully.  

Consider how the task helps you meet the unit learning outcomes. 

Consider how the task might help you to build your knowledge or complete later assessments. 

Reflect: Why do you think your lecturer has set the literature review task? Is it:

a stand-alone assignment? Lecturers create these tasks to help you get to know the important literature in your field. 

a step in a long project? Lecturers create these tasks to ensure you have understood the literature that you will need for a longer or more complex project later.

In brief, when writing a literature review, you must show your understanding of the literature.  

The following steps can guide you through the process of writing a literature review. You could download this PDF so you can tick off each step as you finish it.

Organising your notes

One key to writing an effective literature review is to store and organise your notes effectively. This section will look at spreadsheets and visual organisers.

One way to organise your notes is to use a spreadsheet. The advantages of spreadsheets are that you can: 

• choose your headings and refine them as you learn more about the topic 
• use the search function to identify key words from common ideas in the texts 
• include hyperlinks to the original documents. 

Read these notes on a student spreadsheet for a literature review on attitudes to bottled water. Click on the hotspots to identify where the student has: 

included the citations for each source 

created columns to note important information such as method, findings and conclusions 

included initial critiques of sources 

noted where references share similar or contradictory ideas 

started to note common concepts that can be used to categorise the references 

Note-taking is quite personal; that is, you need to devise a method that works best for you. If you use spreadsheets, you may adapt your spreadsheet to the requirements of each assignment. Here is a spreadsheet that you can download and adapt:

When you are storing your notes, you could also experiment with visual organisers. These can help you to categorise and compare the literature. For example, you could use:  

Venn diagrams 

Notice how some of the citations from the spreadsheet for the literature review on bottled water are categorised in this venn diagram. 

Tree charts  

Notice how some of the citations from the spreadsheet for the literature review on bottled water are categorised in this tree chart. 

Imagine you have found another source for a literature review on bottled water. Where would you put this source in the visual organisers?

Other visual organisers include flowcharts, time lines and mind maps. 

Visual organisers are quite personal; that is, you need to devise a method that works best for you. If you use visual organisers, you should adapt them for each assignment. 

One way to find links between the papers you read is to make notes in a table or matrix. You can learn more about using a note-taking matrix from  The Thesis Whisperer.

One student has researched the topic of  success in post-graduate studies . They have created a matrix for storing their notes. A matrix is organised in this way:

• Each column is for an article that the student has read.
• Each row is for a sub-topic or idea.

In this matrix, the student has put notes about attrition (drop out rates) in row one. In row two, the student has put notes on peer support for students. 

When the student wrote about attrition, they first read along the row. They compared the information, and noted how the different sources agreed or disagreed with each other. Then, they synthesised this information to create their paragraphs.

Over to you:

Here is a matrix that you can download and adapt:

Note taking matrix spreadsheet.xlsx

Structuring your literature review

Like essays, your literature review will follow a standard thee-part structure: introduction, body and conclusion. The following section will help you organise each part. 

What do you know about writing introductions? Test your knowledge here: 

Now, analyse this sample introduction.

If you need to review effective introductions, visit the Essays page. 

Students who are new to literature reviews may write the body like a list of summaries.  A list of summaries makes your review look like a shopping list of sources.

Remember: a literature review is not a list of summaries!  You need to categorise, organise and synthesise the literature to write a coherent text that draws links between the research. 

If you would like to learn more about this, visit the blog  patter  by Pat Thomson. 

Some common organisational methods include: 

Remember: these are not the only ways you can organise your literature review. You may combine these organisational methods or create a new method of your own. 

This task contains images of content pages used in longer literature reviews, such as a thesis chapter. Your assignments will be shorter, but these images provide examples of different ways you could categorise and organise the literature in your review.

When you write the body of your literature review, you will use a range of skills and techniques.  

What do you know about writing conclusions? Test your knowledge here: 

Now read this sample conclusion to identify the elements.

If you need to review effective conclusions, visit the Essays page. 

Language for commenting on literature

If assignments that require you to comment on research (like literature reviews or annotated bibliographies ) are new to you, you may be unsure how to express yourself. The following materials focus on clear and appropriate language choices. 

An important skill for writing literature reviews is the ability to critically evaluate sources. If you are unsure how to do this, ask yourself a series of questions to guide your thinking.  

Review a text  you have selected for your own literature review.

• Does it pass the CRAAP test?
• How would you evaluate the quality of the research?

Some students feel concerned about critiquing literature. They confuse critique with criticism and think they don’t know enough to criticise published experts.  

However, critiquing the literature is more than criticism. It involves strategies such as: 

identifying important researchers or research papers 

comparing and contrasting the research 

identifying research with similar findings (or generalising ) 

identifying strengths or limitations in the research 

showing how a research paper contributes to our knowledge 

identifying gaps in our knowledge of a topic. 

Read these literature review extracts and identify the critique strategy the student has used.  Drag the number of the critique strategy next to the most appropriate extract.

This document has some useful language that may help you express these strategies in your own literature review. Download it and put it on the wall near your desk while you are writing.

When you are describing the strengths and limitations of a research paper, you must use appropriate adjectives and verbs. You should also consider their strength. 

Imagine you want to select an adjective to complete this sentence: 

In this ________ study on dolphins, Smith (2022) attempted to... 

Categorise these adjectives according to their strength. 

Now, imagine you want to select a verb to complete this sentence: 

However, Smith’s study __________ the link between dolphin mortality and pollution (2022).    

Categorise these verbs according to their strength. 

Remember, you may make strong language choices, but you must:

• be careful to match the strength of the language with the strength of the praise or criticism
• always maintain a respectful tone.

Pay close attention to the language choices in published literature reviews in your discipline.

When you cite the research in your literature review, you may use two citation types: 

• In general, research prominent citations are most used. This is because our focus is on the research, not on who did the research.  
• We use researcher prominent citations when we wish to mention the researcher. This may be because their work is particularly noteworthy, or it is important for your assignment.  Researcher prominent citations are more common in the Humanities and Social Sciences than in the STEM disciplines. 

If you use researcher prominent citations, you will use a reporting verb. These verbs describe: 

You may notice that some of the example verbs (like state ) perform more than one function. 

Your choice of reporting verbs can help you demonstrate your critique of the research.  Read these two sentences. Which one shows most confidence in the results of the research? 

The study by Anderson et al. (2017b) suggests  the reduced distribution of humpback dolphins is due to habitat degradation. 

Anderson et al. (2017b) state  that the reduced distribution of humpback dolphins is due to habitat degradation. 

Many readers would feel that b. shows the most confidence.  

Read the following sentences and pay attention to the verb in bold. Can you identify the function and the level of confidence? 

If you want more revision on reporting verbing, visit  Useful language for annotated bibliographies .

Writing literature reviews and generative AI

While generative artificial intelligence (GenAI) can offer valuable assistance in the research and writing process of a literature review—such as helping with summarising articles, identifying key themes, and organising references—students must ensure that the analysis and synthesis of the literature reflect their own critical thinking. Over-reliance on AI-generated content can undermine the purpose of a literature review, which is to engage deeply with existing research and contribute original insights. Submitting work that does not authentically represent the student's own academic engagement not only violates academic honesty policies but also weakens the potential for developing a strong, critical understanding of the subject matter.  

GenAI has several limitations when used for writing literature reviews, which require careful analysis, synthesis, and critical engagement with existing research. Unlike more straightforward writing tasks, literature reviews demand an in-depth understanding of the research context, methodologies, and scholarly debates—areas where AI may fall short. While GenAI can generate text that appears coherent, it often lacks the nuanced critical analysis and scholarly judgement needed to produce a meaningful literature review. This can result in reviews that feel superficial or disconnected from the current academic discourse, potentially leading to a misrepresentation of the field and the student's own academic voice.  

Have a look at the task below, its marking rubric, and the sample provided. Do you think the sample addresses the task requirements and the elements in the rubric?   

Now answer questions 1-4 below.    

Click on the hotspots below to see all the issues with the AI-generated essay. Then compare it with a sample written by a student.   

Prompt engineering is a pivotal skill in leveraging AI effectively for academic and professional purposes. Clear and specific prompts, such as those focusing on outlines or research plans rather than final products, foster deeper engagement with the subject matter and uphold academic integrity.   

See below some prompts to help you get started with your next literature review.   

We also encourage you to review our study skills page “Using AI tools at university” and download the GenAI Quick Tips sheet to learn more about how to use GenAI effectively and ethically.   

Applying your learning

Reflect on what you have learned in this material and consider how you can use it in your own work.

When you write a literature review assignment, you may have some challenges. Common challenges include:

not knowing how to get started 

feeling overwhelmed by the amount of reading you need to do

finding too much or not enough literature in your searches.

keeping track of the literature you find 

not knowing how broad or how narrow to make your review 

knowing which texts are relevant to the topic 

knowing which researchers and texts are important in the field 

not knowing how to organise the literature review 

not understanding complex research articles.

Read this advice to help you manage your literature review successfully. 

Advice for success 

• Review the task instructions and reread your lecture notes. 
• Visit the relevant subject guides in the library website. 
• Consult a librarian about search techniques. 
• Start by reading tertiary sources (like textbooks) for an overview before searching for primary sources (like journal articles). 
• Create a spreadsheet to store notes and categorise the literature. 
• Create an online filing system to store the articles you download. 
• Create an organisation plan or mind map and then refine it as you learn more. 
• Use a bibliographic management tool, like Endnote . 
• Review texts by reading the abstract, key words and headings before deciding to read them. 
• Use appropriate reading skills, like skimming and scanning, before reading intensively. 
• Check how often the research articles you find have been cited by others. 
• Write the aim and scope of the review, put it on the wall near your desk and refer to it often to keep yourself on track 
• Remember that while you do the literature review, your understanding will improve and change; as your knowledge grows, it is normal to reread articles for new understanding. 

Now, imagine you are facing these challenges. Match each challenge with the most helpful strategies.

If you would like more support, visit the Language and Learning Advisors page. 

Did you know CDU Language and Learning Advisors offer a range of study support options?

https://www.cdu.edu.au/library/language-and-learning-support

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Essays, Literature Reviews and Reports - Skills Guide

Literature review.

• Downloadable Resources
• Further Reading

What is a literature review?

A literature review is a collection of literature that is analysed (reviewed) and compared against each other to demonstrate an understanding of a topic. In a literature review you identify relevant theories and previous research in the area. Bell states that  "literature reviews should be succinct and.. give a picture of the state of knowledge and major questions in your topic area."

Literature reviews are usually a part of a dissertation, although some modules may require a standalone literature review.

Why are literature reviews important?

Literature reviews are important as they allow you to gain a thorough awareness and understanding of current work and perspectives in a research area to support and justify your research, as well as illustrating that there is a research gap and assisting in the analysis and interpretation of data.

What should I put into a literature review?

• The historical context.
• The contemporary context of your research.
• A discussion of the relevant underpinning concepts and theories.
• Definitions of the key terminology used in your own work.
• Current research in the field that can be challenged or extended by your own research.
• Justification of the significance of your research.

How do I structure a literature review?

Look carefully at what is expected from you for your literature review. Sometimes they might focus heavily on one piece of literature, while others may focus on two or three, and some would like a vast body of literature to be included. Whatever the expectation, they usually follow the same structure as an essay:

10% Introduction

80% Main Body

10% Conclusion

The introduction should explain how your literature review is organised.

The main body should be made up of headings and sub headings that map out your argument.

The conclusion should summarise the key arguments in a concise way.

When should I start writing my literature review?

Starting writing your literature review as early as possible can help you in understanding the research and understanding how it will be used. This will help in creating an overall structure when writing later versions of the literature review and in comparing and linking different pieces of research. 

There are example essay extracts available on Do It Write ( click here ) to help you understand what they're asking from you. 

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Organizing Your Social Sciences Research Paper

• 5. The Literature Review
• Purpose of Guide
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• Independent and Dependent Variables
• Glossary of Research Terms
• Reading Research Effectively
• Narrowing a Topic Idea
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A literature review surveys prior research published in books, scholarly articles, and any other sources relevant to a particular issue, area of research, or theory, and by so doing, provides a description, summary, and critical evaluation of these works in relation to the research problem being investigated. Literature reviews are designed to provide an overview of sources you have used in researching a particular topic and to demonstrate to your readers how your research fits within existing scholarship about the topic.

Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . Fourth edition. Thousand Oaks, CA: SAGE, 2014.

Importance of a Good Literature Review

A literature review may consist of simply a summary of key sources, but in the social sciences, a literature review usually has an organizational pattern and combines both summary and synthesis, often within specific conceptual categories . A summary is a recap of the important information of the source, but a synthesis is a re-organization, or a reshuffling, of that information in a way that informs how you are planning to investigate a research problem. The analytical features of a literature review might:

• Give a new interpretation of old material or combine new with old interpretations,
• Trace the intellectual progression of the field, including major debates,
• Depending on the situation, evaluate the sources and advise the reader on the most pertinent or relevant research, or
• Usually in the conclusion of a literature review, identify where gaps exist in how a problem has been researched to date.

Given this, the purpose of a literature review is to:

• Place each work in the context of its contribution to understanding the research problem being studied.
• Describe the relationship of each work to the others under consideration.
• Identify new ways to interpret prior research.
• Reveal any gaps that exist in the literature.
• Resolve conflicts amongst seemingly contradictory previous studies.
• Identify areas of prior scholarship to prevent duplication of effort.
• Point the way in fulfilling a need for additional research.
• Locate your own research within the context of existing literature [very important].

Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper. 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Jesson, Jill. Doing Your Literature Review: Traditional and Systematic Techniques . Los Angeles, CA: SAGE, 2011; Knopf, Jeffrey W. "Doing a Literature Review." PS: Political Science and Politics 39 (January 2006): 127-132; Ridley, Diana. The Literature Review: A Step-by-Step Guide for Students . 2nd ed. Los Angeles, CA: SAGE, 2012.

Types of Literature Reviews

It is important to think of knowledge in a given field as consisting of three layers. First, there are the primary studies that researchers conduct and publish. Second are the reviews of those studies that summarize and offer new interpretations built from and often extending beyond the primary studies. Third, there are the perceptions, conclusions, opinion, and interpretations that are shared informally among scholars that become part of the body of epistemological traditions within the field.

In composing a literature review, it is important to note that it is often this third layer of knowledge that is cited as "true" even though it often has only a loose relationship to the primary studies and secondary literature reviews. Given this, while literature reviews are designed to provide an overview and synthesis of pertinent sources you have explored, there are a number of approaches you could adopt depending upon the type of analysis underpinning your study.

Argumentative Review This form examines literature selectively in order to support or refute an argument, deeply embedded assumption, or philosophical problem already established in the literature. The purpose is to develop a body of literature that establishes a contrarian viewpoint. Given the value-laden nature of some social science research [e.g., educational reform; immigration control], argumentative approaches to analyzing the literature can be a legitimate and important form of discourse. However, note that they can also introduce problems of bias when they are used to make summary claims of the sort found in systematic reviews [see below].

Integrative Review Considered a form of research that reviews, critiques, and synthesizes representative literature on a topic in an integrated way such that new frameworks and perspectives on the topic are generated. The body of literature includes all studies that address related or identical hypotheses or research problems. A well-done integrative review meets the same standards as primary research in regard to clarity, rigor, and replication. This is the most common form of review in the social sciences.

Historical Review Few things rest in isolation from historical precedent. Historical literature reviews focus on examining research throughout a period of time, often starting with the first time an issue, concept, theory, phenomena emerged in the literature, then tracing its evolution within the scholarship of a discipline. The purpose is to place research in a historical context to show familiarity with state-of-the-art developments and to identify the likely directions for future research.

Methodological Review A review does not always focus on what someone said [findings], but how they came about saying what they say [method of analysis]. Reviewing methods of analysis provides a framework of understanding at different levels [i.e. those of theory, substantive fields, research approaches, and data collection and analysis techniques], how researchers draw upon a wide variety of knowledge ranging from the conceptual level to practical documents for use in fieldwork in the areas of ontological and epistemological consideration, quantitative and qualitative integration, sampling, interviewing, data collection, and data analysis. This approach helps highlight ethical issues which you should be aware of and consider as you go through your own study.

Systematic Review This form consists of an overview of existing evidence pertinent to a clearly formulated research question, which uses pre-specified and standardized methods to identify and critically appraise relevant research, and to collect, report, and analyze data from the studies that are included in the review. The goal is to deliberately document, critically evaluate, and summarize scientifically all of the research about a clearly defined research problem . Typically it focuses on a very specific empirical question, often posed in a cause-and-effect form, such as "To what extent does A contribute to B?" This type of literature review is primarily applied to examining prior research studies in clinical medicine and allied health fields, but it is increasingly being used in the social sciences.

Theoretical Review The purpose of this form is to examine the corpus of theory that has accumulated in regard to an issue, concept, theory, phenomena. The theoretical literature review helps to establish what theories already exist, the relationships between them, to what degree the existing theories have been investigated, and to develop new hypotheses to be tested. Often this form is used to help establish a lack of appropriate theories or reveal that current theories are inadequate for explaining new or emerging research problems. The unit of analysis can focus on a theoretical concept or a whole theory or framework.

NOTE: Most often the literature review will incorporate some combination of types. For example, a review that examines literature supporting or refuting an argument, assumption, or philosophical problem related to the research problem will also need to include writing supported by sources that establish the history of these arguments in the literature.

Baumeister, Roy F. and Mark R. Leary. "Writing Narrative Literature Reviews."  Review of General Psychology 1 (September 1997): 311-320; Mark R. Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Kennedy, Mary M. "Defining a Literature." Educational Researcher 36 (April 2007): 139-147; Petticrew, Mark and Helen Roberts. Systematic Reviews in the Social Sciences: A Practical Guide . Malden, MA: Blackwell Publishers, 2006; Torracro, Richard. "Writing Integrative Literature Reviews: Guidelines and Examples." Human Resource Development Review 4 (September 2005): 356-367; Rocco, Tonette S. and Maria S. Plakhotnik. "Literature Reviews, Conceptual Frameworks, and Theoretical Frameworks: Terms, Functions, and Distinctions." Human Ressource Development Review 8 (March 2008): 120-130; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016.

Structure and Writing Style

I.  Thinking About Your Literature Review

The structure of a literature review should include the following in support of understanding the research problem :

• An overview of the subject, issue, or theory under consideration, along with the objectives of the literature review,
• Division of works under review into themes or categories [e.g. works that support a particular position, those against, and those offering alternative approaches entirely],
• An explanation of how each work is similar to and how it varies from the others,
• Conclusions as to which pieces are best considered in their argument, are most convincing of their opinions, and make the greatest contribution to the understanding and development of their area of research.

The critical evaluation of each work should consider :

• Provenance -- what are the author's credentials? Are the author's arguments supported by evidence [e.g. primary historical material, case studies, narratives, statistics, recent scientific findings]?
• Methodology -- were the techniques used to identify, gather, and analyze the data appropriate to addressing the research problem? Was the sample size appropriate? Were the results effectively interpreted and reported?
• Objectivity -- is the author's perspective even-handed or prejudicial? Is contrary data considered or is certain pertinent information ignored to prove the author's point?
• Persuasiveness -- which of the author's theses are most convincing or least convincing?
• Validity -- are the author's arguments and conclusions convincing? Does the work ultimately contribute in any significant way to an understanding of the subject?

II.  Development of the Literature Review

Four Basic Stages of Writing 1.  Problem formulation -- which topic or field is being examined and what are its component issues? 2.  Literature search -- finding materials relevant to the subject being explored. 3.  Data evaluation -- determining which literature makes a significant contribution to the understanding of the topic. 4.  Analysis and interpretation -- discussing the findings and conclusions of pertinent literature.

Consider the following issues before writing the literature review: Clarify If your assignment is not specific about what form your literature review should take, seek clarification from your professor by asking these questions: 1.  Roughly how many sources would be appropriate to include? 2.  What types of sources should I review (books, journal articles, websites; scholarly versus popular sources)? 3.  Should I summarize, synthesize, or critique sources by discussing a common theme or issue? 4.  Should I evaluate the sources in any way beyond evaluating how they relate to understanding the research problem? 5.  Should I provide subheadings and other background information, such as definitions and/or a history? Find Models Use the exercise of reviewing the literature to examine how authors in your discipline or area of interest have composed their literature review sections. Read them to get a sense of the types of themes you might want to look for in your own research or to identify ways to organize your final review. The bibliography or reference section of sources you've already read, such as required readings in the course syllabus, are also excellent entry points into your own research. Narrow the Topic The narrower your topic, the easier it will be to limit the number of sources you need to read in order to obtain a good survey of relevant resources. Your professor will probably not expect you to read everything that's available about the topic, but you'll make the act of reviewing easier if you first limit scope of the research problem. A good strategy is to begin by searching the USC Libraries Catalog for recent books about the topic and review the table of contents for chapters that focuses on specific issues. You can also review the indexes of books to find references to specific issues that can serve as the focus of your research. For example, a book surveying the history of the Israeli-Palestinian conflict may include a chapter on the role Egypt has played in mediating the conflict, or look in the index for the pages where Egypt is mentioned in the text. Consider Whether Your Sources are Current Some disciplines require that you use information that is as current as possible. This is particularly true in disciplines in medicine and the sciences where research conducted becomes obsolete very quickly as new discoveries are made. However, when writing a review in the social sciences, a survey of the history of the literature may be required. In other words, a complete understanding the research problem requires you to deliberately examine how knowledge and perspectives have changed over time. Sort through other current bibliographies or literature reviews in the field to get a sense of what your discipline expects. You can also use this method to explore what is considered by scholars to be a "hot topic" and what is not.

III.  Ways to Organize Your Literature Review

Chronology of Events If your review follows the chronological method, you could write about the materials according to when they were published. This approach should only be followed if a clear path of research building on previous research can be identified and that these trends follow a clear chronological order of development. For example, a literature review that focuses on continuing research about the emergence of German economic power after the fall of the Soviet Union. By Publication Order your sources by publication chronology, then, only if the order demonstrates a more important trend. For instance, you could order a review of literature on environmental studies of brown fields if the progression revealed, for example, a change in the soil collection practices of the researchers who wrote and/or conducted the studies. Thematic [“conceptual categories”] A thematic literature review is the most common approach to summarizing prior research in the social and behavioral sciences. Thematic reviews are organized around a topic or issue, rather than the progression of time, although the progression of time may still be incorporated into a thematic review. For example, a review of the Internet’s impact on American presidential politics could focus on the development of online political satire. While the study focuses on one topic, the Internet’s impact on American presidential politics, it would still be organized chronologically reflecting technological developments in media. The difference in this example between a "chronological" and a "thematic" approach is what is emphasized the most: themes related to the role of the Internet in presidential politics. Note that more authentic thematic reviews tend to break away from chronological order. A review organized in this manner would shift between time periods within each section according to the point being made. Methodological A methodological approach focuses on the methods utilized by the researcher. For the Internet in American presidential politics project, one methodological approach would be to look at cultural differences between the portrayal of American presidents on American, British, and French websites. Or the review might focus on the fundraising impact of the Internet on a particular political party. A methodological scope will influence either the types of documents in the review or the way in which these documents are discussed.

Other Sections of Your Literature Review Once you've decided on the organizational method for your literature review, the sections you need to include in the paper should be easy to figure out because they arise from your organizational strategy. In other words, a chronological review would have subsections for each vital time period; a thematic review would have subtopics based upon factors that relate to the theme or issue. However, sometimes you may need to add additional sections that are necessary for your study, but do not fit in the organizational strategy of the body. What other sections you include in the body is up to you. However, only include what is necessary for the reader to locate your study within the larger scholarship about the research problem.

Here are examples of other sections, usually in the form of a single paragraph, you may need to include depending on the type of review you write:

• Current Situation : Information necessary to understand the current topic or focus of the literature review.
• Sources Used : Describes the methods and resources [e.g., databases] you used to identify the literature you reviewed.
• History : The chronological progression of the field, the research literature, or an idea that is necessary to understand the literature review, if the body of the literature review is not already a chronology.
• Selection Methods : Criteria you used to select (and perhaps exclude) sources in your literature review. For instance, you might explain that your review includes only peer-reviewed [i.e., scholarly] sources.
• Standards : Description of the way in which you present your information.
• Questions for Further Research : What questions about the field has the review sparked? How will you further your research as a result of the review?

IV.  Writing Your Literature Review

Once you've settled on how to organize your literature review, you're ready to write each section. When writing your review, keep in mind these issues.

Use Evidence A literature review section is, in this sense, just like any other academic research paper. Your interpretation of the available sources must be backed up with evidence [citations] that demonstrates that what you are saying is valid. Be Selective Select only the most important points in each source to highlight in the review. The type of information you choose to mention should relate directly to the research problem, whether it is thematic, methodological, or chronological. Related items that provide additional information, but that are not key to understanding the research problem, can be included in a list of further readings . Use Quotes Sparingly Some short quotes are appropriate if you want to emphasize a point, or if what an author stated cannot be easily paraphrased. Sometimes you may need to quote certain terminology that was coined by the author, is not common knowledge, or taken directly from the study. Do not use extensive quotes as a substitute for using your own words in reviewing the literature. Summarize and Synthesize Remember to summarize and synthesize your sources within each thematic paragraph as well as throughout the review. Recapitulate important features of a research study, but then synthesize it by rephrasing the study's significance and relating it to your own work and the work of others. Keep Your Own Voice While the literature review presents others' ideas, your voice [the writer's] should remain front and center. For example, weave references to other sources into what you are writing but maintain your own voice by starting and ending the paragraph with your own ideas and wording. Use Caution When Paraphrasing When paraphrasing a source that is not your own, be sure to represent the author's information or opinions accurately and in your own words. Even when paraphrasing an author’s work, you still must provide a citation to that work.

V.  Common Mistakes to Avoid

These are the most common mistakes made in reviewing social science research literature.

• Sources in your literature review do not clearly relate to the research problem;
• You do not take sufficient time to define and identify the most relevant sources to use in the literature review related to the research problem;
• Relies exclusively on secondary analytical sources rather than including relevant primary research studies or data;
• Uncritically accepts another researcher's findings and interpretations as valid, rather than examining critically all aspects of the research design and analysis;
• Does not describe the search procedures that were used in identifying the literature to review;
• Reports isolated statistical results rather than synthesizing them in chi-squared or meta-analytic methods; and,
• Only includes research that validates assumptions and does not consider contrary findings and alternative interpretations found in the literature.

Cook, Kathleen E. and Elise Murowchick. “Do Literature Review Skills Transfer from One Course to Another?” Psychology Learning and Teaching 13 (March 2014): 3-11; Fink, Arlene. Conducting Research Literature Reviews: From the Internet to Paper . 2nd ed. Thousand Oaks, CA: Sage, 2005; Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1998; Jesson, Jill. Doing Your Literature Review: Traditional and Systematic Techniques . London: SAGE, 2011; Literature Review Handout. Online Writing Center. Liberty University; Literature Reviews. The Writing Center. University of North Carolina; Onwuegbuzie, Anthony J. and Rebecca Frels. Seven Steps to a Comprehensive Literature Review: A Multimodal and Cultural Approach . Los Angeles, CA: SAGE, 2016; Ridley, Diana. The Literature Review: A Step-by-Step Guide for Students . 2nd ed. Los Angeles, CA: SAGE, 2012; Randolph, Justus J. “A Guide to Writing the Dissertation Literature Review." Practical Assessment, Research, and Evaluation. vol. 14, June 2009; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016; Taylor, Dena. The Literature Review: A Few Tips On Conducting It. University College Writing Centre. University of Toronto; Writing a Literature Review. Academic Skills Centre. University of Canberra.

Writing Tip

Break Out of Your Disciplinary Box!

Thinking interdisciplinarily about a research problem can be a rewarding exercise in applying new ideas, theories, or concepts to an old problem. For example, what might cultural anthropologists say about the continuing conflict in the Middle East? In what ways might geographers view the need for better distribution of social service agencies in large cities than how social workers might study the issue? You don’t want to substitute a thorough review of core research literature in your discipline for studies conducted in other fields of study. However, particularly in the social sciences, thinking about research problems from multiple vectors is a key strategy for finding new solutions to a problem or gaining a new perspective. Consult with a librarian about identifying research databases in other disciplines; almost every field of study has at least one comprehensive database devoted to indexing its research literature.

Frodeman, Robert. The Oxford Handbook of Interdisciplinarity . New York: Oxford University Press, 2010.

Another Writing Tip

Don't Just Review for Content!

While conducting a review of the literature, maximize the time you devote to writing this part of your paper by thinking broadly about what you should be looking for and evaluating. Review not just what scholars are saying, but how are they saying it. Some questions to ask:

• How are they organizing their ideas?
• What methods have they used to study the problem?
• What theories have been used to explain, predict, or understand their research problem?
• What sources have they cited to support their conclusions?
• How have they used non-textual elements [e.g., charts, graphs, figures, etc.] to illustrate key points?

When you begin to write your literature review section, you'll be glad you dug deeper into how the research was designed and constructed because it establishes a means for developing more substantial analysis and interpretation of the research problem.

Hart, Chris. Doing a Literature Review: Releasing the Social Science Research Imagination . Thousand Oaks, CA: Sage Publications, 1 998.

Yet Another Writing Tip

When Do I Know I Can Stop Looking and Move On?

Here are several strategies you can utilize to assess whether you've thoroughly reviewed the literature:

• Look for repeating patterns in the research findings . If the same thing is being said, just by different people, then this likely demonstrates that the research problem has hit a conceptual dead end. At this point consider: Does your study extend current research?  Does it forge a new path? Or, does is merely add more of the same thing being said?
• Look at sources the authors cite to in their work . If you begin to see the same researchers cited again and again, then this is often an indication that no new ideas have been generated to address the research problem.
• Search Google Scholar to identify who has subsequently cited leading scholars already identified in your literature review [see next sub-tab]. This is called citation tracking and there are a number of sources that can help you identify who has cited whom, particularly scholars from outside of your discipline. Here again, if the same authors are being cited again and again, this may indicate no new literature has been written on the topic.

Onwuegbuzie, Anthony J. and Rebecca Frels. Seven Steps to a Comprehensive Literature Review: A Multimodal and Cultural Approach . Los Angeles, CA: Sage, 2016; Sutton, Anthea. Systematic Approaches to a Successful Literature Review . Los Angeles, CA: Sage Publications, 2016.

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Literature Reviews

• What is a literature review?
• Steps in the Literature Review Process
• Define your research question
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What is a Literature Review?

A literature or narrative review is a comprehensive review and analysis of the published literature on a specific topic or research question. The literature that is reviewed contains: books, articles, academic articles, conference proceedings, association papers, and dissertations. It contains the most pertinent studies and points to important past and current research and practices. It provides background and context, and shows how your research will contribute to the field. 

A literature review should: 

• Provide a comprehensive and updated review of the literature;
• Explain why this review has taken place;
• Articulate a position or hypothesis;
• Acknowledge and account for conflicting and corroborating points of view

From  S age Research Methods

Purpose of a Literature Review

A literature review can be written as an introduction to a study to:

• Demonstrate how a study fills a gap in research
• Compare a study with other research that's been done

Or it can be a separate work (a research article on its own) which:

• Organizes or describes a topic
• Describes variables within a particular issue/problem

Limitations of a Literature Review

Some of the limitations of a literature review are:

• It's a snapshot in time. Unlike other reviews, this one has beginning, a middle and an end. There may be future developments that could make your work less relevant.
• It may be too focused. Some niche studies may miss the bigger picture.
• It can be difficult to be comprehensive. There is no way to make sure all the literature on a topic was considered.
• It is easy to be biased if you stick to top tier journals. There may be other places where people are publishing exemplary research. Look to open access publications and conferences to reflect a more inclusive collection. Also, make sure to include opposing views (and not just supporting evidence).

Source: Grant, Maria J., and Andrew Booth. “A Typology of Reviews: An Analysis of 14 Review Types and Associated Methodologies.” Health Information & Libraries Journal, vol. 26, no. 2, June 2009, pp. 91–108. Wiley Online Library, doi:10.1111/j.1471-1842.2009.00848.x.

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• Last Updated: Aug 26, 2024 5:59 AM
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• What is a Book Review or Book Report?
• What is a Literature Review?

Also referred to as a book report, a  book review  consists of "critical comments on a book, especially when it is first published" ("Book Review, 2006). 

Similar to a short essay, a book review typically includes several of these elements:

     •  Description of the book's main topic, purpose and/or point of view, answering questions such as:

            •  What is the genre of the work (i.e. novel, non-fiction, memoir etc.)?

            •  Who is the intended audience?

            •  If a fictional work, what are the key themes, motifs, and/or plot devices?

            •  If a non-fictional work, what are the main arguments and ideas?

      •  Assessment of the book's main points, biases or flaws

      •  Critical analysis of the book's strengths and weaknesses, literary value and/or overall quality and contribution to the subject area

      •  If non-fiction, an explanation of how the book fits into the academic or popular discourse on a topic or subject area

Book Review. (2006). In P. Collin (Ed.),  Dictionary of publishing and printing . London, United Kingdom: A&C Black. Retrieved from http://search.credoreference.com

Follow these links to learn more about book reviews:

• Book Reviews - University of North Carolina at Chapel Hill
• How to Write Book Reviews - Queens University
• How to write a book report and a book review - Concordia University Libraries

A literature review is a "comprehensive study and interpretation of literature that addresses a specific topic" (Aveyard, 2010).

Literature reviews are generally conducted in one of two ways:

1) As a preliminary review before a larger study in order to critically evaluate the current literature and justify why further study and research is required.

In this case, the researcher must "systematically search, critique and combine the literature to demonstrate a gap in the existing research base" while demonstrating "their understanding of both the research and the methods previously used to investigate the area" (Aveyard, 2010).

2) As a project in itself that provides a comprehensive survey of the works published in a particular discipline or area of research over a specified period of time.

Sometimes referred to as a systematic literature review or meta-analysis, this type of literature review is a critical survey that attempts to "evaluate and interpret all available research evidence relevant to a particular question" (Glasziou, 2001).

Aveyard, H. (2010). Doing a literature review in health and social care: A practical guide (2nd ed.). Bershire, United Kingdom: Open University Press.

Galsziou, P. (2001). Systematic reviews in health care: A practical guide . New York, NY: Cambridge University Press.

Learn more about literature reviews:

• Guidelines for writing a literature review - University of Minnesota Duluth A step-by-step guide for writing a literature review
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Writing a literature review

Find out how to write a lit review.

What is a literature review ?

A literature review explores and evaluates the literature on a specific topic or question. It synthesises the contributions of the different authors, often to identify areas that need further exploration.

You may be required to write a literature review as a standalone document or part of a larger body of research, such as a thesis.

• The point of a standalone literature review is to demonstrate that you have read widely in your field and you understand the main arguments.
• As part of a thesis or research paper, the literature review defines your project by establishing how your work will extend or differ from previous work and what contribution it will make.

What are markers looking for?

In the best literature reviews, the writer:

• Has a clear understanding of key concepts within the topic.
• Clarifies important definitions and terminology.
• Covers the breadth of the specific topic.
• Critically discusses the ideas in the literature and evaluates how authors present them.
• Clearly indicates a research gap for future enquiry.

How do I write a literature review?

This video outlines a step by step approach to help you evaluate readings, organise ideas and write critically. It provides examples of how to connect, interpret and critique ideas to make sure your voice comes through strongly.

Tips for research, reading and writing

You may be given a specific question to research or broad topics which must be refined to a question that can be reasonably addressed in the time and word limit available.

Use your early reading to help you determine and refine your topic.

• Too much literature? You probably need to narrow your scope. Try to identify a more specific issue of interest.
• Not enough literature? Your topic may be too specific and needs to be broader.

Start with readings suggested by your lecturers or supervisors. Then, do your own research - the best place to go is the Library Website .

You can also use the Library Guides or speak to a librarian to identify the most useful databases for you and to learn how to search for sources effectively and efficiently.

Cover the field

Make sure your literature search covers a broad range of views and information relevant to your topic. Focussing on a narrow selection of sources may result in a lack of depth. You are not expected to cover all research and scholarly opinions on your topic, but you need to identify and include important viewpoints. A quality literature review examines and evaluates different viewpoints based on the evidence presented, rather than providing only material that reinforces a bias.

Use reading strategies

Survey, skim and scan to find the most relevant articles, and the most relevant parts of those articles. These can be re-read more closely later when you have acquired an overview of your topic.

Take notes as you read

This helps to organise and develop your thoughts. Record your own reactions to the text in your notes, perhaps in a separate column. These notes can form the basis of your critical evaluation of the text. Record any facts, opinions or direct quotes that are likely to be useful to your review, noting the page numbers, author and year.

Stop reading when you have enough

This depends on the word count required of this literature review. A review of one thousand words can only cover the major ideas and probably less than ten references. Longer reviews that form part of a large research paper will include more than fifty. Your tutor or supervisor should be able to suggest a suitable number.

As you read, ask yourself these questions:

• Have I answered my question without any obvious gaps?
• Have I read this before? Are there any new related issues coming up as I search the literature?
• Have I found multiple references which cover the same material or just enough to prove agreement?

There are many possible ways to organise the material. For example:

• chronologically
• by theoretical perspective
• from most to least important
• by issue or theme

It is important to remember that you are not merely cataloguing or describing the literature you read. Therefore, you need to choose an organisation that will enable you to compare the various authors' treatment of ideas. This is often best achieved by organising thematically, or grouping ideas into sets of common issues tackled in the various texts. These themes will form the basis of the different threads that are the focus of your study.

A standalone literature review

A standalone literature review is structured much like an academic essay.

• Introduction - establish the context for your topic and outline your main contentions about the literature
• Main body - explain and support these inferences in the main body
• Conclusion - summarise your main points and restate the contention.

The main difference between an essay and this kind of literature review is that an essay focuses on a topic and uses the literature as a support for the arguments. In a standalone literature review, the literature itself is the topic of discussion and evaluation. This means you evaluate and discuss not only the informational content but the quality of the author’s handling of the content.

A literature review as part of a larger research paper?

As part of a larger research paper, the literature review may take many forms, depending on your discipline, your topic and the logic of your research. Traditionally, in empirical research, the literature review is included in the introduction, or a standalone chapter immediately following the introduction. For other forms of research, you may need to engage more extensively with the literature and thus, the literature review may spread over more than one chapter, or even be distributed throughout the thesis.

Start writing early. Writing will clarify your thinking on the topic and reveal any gaps in information and logic. If your ideas change, sections and paragraphs can be reworked to change your contentions or include extra information.

Similarly, draft an overall plan for your review as soon as you are ready, but be prepared to rework sections of it to reflect your developing argument.

The most important thing to remember is that you are writing a review . That means you must move past describing what other authors have written by connecting, interpreting and critiquing their ideas and presenting your own analysis and interpretation.

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• Comparing and contrasting in an essay | Tips & examples

Comparing and Contrasting in an Essay | Tips & Examples

Published on August 6, 2020 by Jack Caulfield . Revised on July 23, 2023.

Comparing and contrasting is an important skill in academic writing . It involves taking two or more subjects and analyzing the differences and similarities between them.

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Table of contents

When should i compare and contrast, making effective comparisons, comparing and contrasting as a brainstorming tool, structuring your comparisons, other interesting articles, frequently asked questions about comparing and contrasting.

Many assignments will invite you to make comparisons quite explicitly, as in these prompts.

• Compare the treatment of the theme of beauty in the poetry of William Wordsworth and John Keats.
• Compare and contrast in-class and distance learning. What are the advantages and disadvantages of each approach?

Some other prompts may not directly ask you to compare and contrast, but present you with a topic where comparing and contrasting could be a good approach.

One way to approach this essay might be to contrast the situation before the Great Depression with the situation during it, to highlight how large a difference it made.

Comparing and contrasting is also used in all kinds of academic contexts where it’s not explicitly prompted. For example, a literature review involves comparing and contrasting different studies on your topic, and an argumentative essay may involve weighing up the pros and cons of different arguments.

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See an example

As the name suggests, comparing and contrasting is about identifying both similarities and differences. You might focus on contrasting quite different subjects or comparing subjects with a lot in common—but there must be some grounds for comparison in the first place.

For example, you might contrast French society before and after the French Revolution; you’d likely find many differences, but there would be a valid basis for comparison. However, if you contrasted pre-revolutionary France with Han-dynasty China, your reader might wonder why you chose to compare these two societies.

This is why it’s important to clarify the point of your comparisons by writing a focused thesis statement . Every element of an essay should serve your central argument in some way. Consider what you’re trying to accomplish with any comparisons you make, and be sure to make this clear to the reader.

Comparing and contrasting can be a useful tool to help organize your thoughts before you begin writing any type of academic text. You might use it to compare different theories and approaches you’ve encountered in your preliminary research, for example.

Let’s say your research involves the competing psychological approaches of behaviorism and cognitive psychology. You might make a table to summarize the key differences between them.

Or say you’re writing about the major global conflicts of the twentieth century. You might visualize the key similarities and differences in a Venn diagram.

These visualizations wouldn’t make it into your actual writing, so they don’t have to be very formal in terms of phrasing or presentation. The point of comparing and contrasting at this stage is to help you organize and shape your ideas to aid you in structuring your arguments.

When comparing and contrasting in an essay, there are two main ways to structure your comparisons: the alternating method and the block method.

The alternating method

In the alternating method, you structure your text according to what aspect you’re comparing. You cover both your subjects side by side in terms of a specific point of comparison. Your text is structured like this:

Mouse over the example paragraph below to see how this approach works.

One challenge teachers face is identifying and assisting students who are struggling without disrupting the rest of the class. In a traditional classroom environment, the teacher can easily identify when a student is struggling based on their demeanor in class or simply by regularly checking on students during exercises. They can then offer assistance quietly during the exercise or discuss it further after class. Meanwhile, in a Zoom-based class, the lack of physical presence makes it more difficult to pay attention to individual students’ responses and notice frustrations, and there is less flexibility to speak with students privately to offer assistance. In this case, therefore, the traditional classroom environment holds the advantage, although it appears likely that aiding students in a virtual classroom environment will become easier as the technology, and teachers’ familiarity with it, improves.

The block method

In the block method, you cover each of the overall subjects you’re comparing in a block. You say everything you have to say about your first subject, then discuss your second subject, making comparisons and contrasts back to the things you’ve already said about the first. Your text is structured like this:

• Point of comparison A
• Point of comparison B

The most commonly cited advantage of distance learning is the flexibility and accessibility it offers. Rather than being required to travel to a specific location every week (and to live near enough to feasibly do so), students can participate from anywhere with an internet connection. This allows not only for a wider geographical spread of students but for the possibility of studying while travelling. However, distance learning presents its own accessibility challenges; not all students have a stable internet connection and a computer or other device with which to participate in online classes, and less technologically literate students and teachers may struggle with the technical aspects of class participation. Furthermore, discomfort and distractions can hinder an individual student’s ability to engage with the class from home, creating divergent learning experiences for different students. Distance learning, then, seems to improve accessibility in some ways while representing a step backwards in others.

Note that these two methods can be combined; these two example paragraphs could both be part of the same essay, but it’s wise to use an essay outline to plan out which approach you’re taking in each paragraph.

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Some essay prompts include the keywords “compare” and/or “contrast.” In these cases, an essay structured around comparing and contrasting is the appropriate response.

Comparing and contrasting is also a useful approach in all kinds of academic writing : You might compare different studies in a literature review , weigh up different arguments in an argumentative essay , or consider different theoretical approaches in a theoretical framework .

Your subjects might be very different or quite similar, but it’s important that there be meaningful grounds for comparison . You can probably describe many differences between a cat and a bicycle, but there isn’t really any connection between them to justify the comparison.

You’ll have to write a thesis statement explaining the central point you want to make in your essay , so be sure to know in advance what connects your subjects and makes them worth comparing.

Comparisons in essays are generally structured in one of two ways:

• The alternating method, where you compare your subjects side by side according to one specific aspect at a time.
• The block method, where you cover each subject separately in its entirety.

It’s also possible to combine both methods, for example by writing a full paragraph on each of your topics and then a final paragraph contrasting the two according to a specific metric.

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Caulfield, J. (2023, July 23). Comparing and Contrasting in an Essay | Tips & Examples. Scribbr. Retrieved August 26, 2024, from https://www.scribbr.com/academic-essay/compare-and-contrast/

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