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What is a Literature Review?

The scholarly conversation.

A literature review provides an overview of previous research on a topic that critically evaluates, classifies, and compares what has already been published on a particular topic. It allows the author to synthesize and place into context the research and scholarly literature relevant to the topic. It helps map the different approaches to a given question and reveals patterns. It forms the foundation for the author’s subsequent research and justifies the significance of the new investigation.

A literature review can be a short introductory section of a research article or a report or policy paper that focuses on recent research. Or, in the case of dissertations, theses, and review articles, it can be an extensive review of all relevant research.

• The format is usually a bibliographic essay; sources are briefly cited within the body of the essay, with full bibliographic citations at the end.
• The introduction should define the topic and set the context for the literature review. It will include the author's perspective or point of view on the topic, how they have defined the scope of the topic (including what's not included), and how the review will be organized. It can point out overall trends, conflicts in methodology or conclusions, and gaps in the research.
• In the body of the review, the author should organize the research into major topics and subtopics. These groupings may be by subject, (e.g., globalization of clothing manufacturing), type of research (e.g., case studies), methodology (e.g., qualitative), genre, chronology, or other common characteristics. Within these groups, the author can then discuss the merits of each article and analyze and compare the importance of each article to similar ones.
• The conclusion will summarize the main findings, make clear how this review of the literature supports (or not) the research to follow, and may point the direction for further research.
• The list of references will include full citations for all of the items mentioned in the literature review.

Key Questions for a Literature Review

A literature review should try to answer questions such as

• Who are the key researchers on this topic?
• What has been the focus of the research efforts so far and what is the current status?
• How have certain studies built on prior studies? Where are the connections? Are there new interpretations of the research?
• Have there been any controversies or debate about the research? Is there consensus? Are there any contradictions?
• Which areas have been identified as needing further research? Have any pathways been suggested?
• How will your topic uniquely contribute to this body of knowledge?
• Which methodologies have researchers used and which appear to be the most productive?
• What sources of information or data were identified that might be useful to you?
• How does your particular topic fit into the larger context of what has already been done?
• How has the research that has already been done help frame your current investigation ?

Examples of Literature Reviews

Example of a literature review at the beginning of an article: Forbes, C. C., Blanchard, C. M., Mummery, W. K., & Courneya, K. S. (2015, March). Prevalence and correlates of strength exercise among breast, prostate, and colorectal cancer survivors . Oncology Nursing Forum, 42(2), 118+. Retrieved from http://go.galegroup.com.sonoma.idm.oclc.org/ps/i.do?p=HRCA&sw=w&u=sonomacsu&v=2.1&it=r&id=GALE%7CA422059606&asid=27e45873fddc413ac1bebbc129f7649c Example of a comprehensive review of the literature: Wilson, J. L. (2016). An exploration of bullying behaviours in nursing: a review of the literature.   British Journal Of Nursing ,  25 (6), 303-306. For additional examples, see:

Galvan, J., Galvan, M., & ProQuest. (2017). Writing literature reviews: A guide for students of the social and behavioral sciences (Seventh ed.). [Electronic book]

Pan, M., & Lopez, M. (2008). Preparing literature reviews: Qualitative and quantitative approaches (3rd ed.). Glendale, CA: Pyrczak Pub. [ Q180.55.E9 P36 2008]

Useful Links

• Write a Literature Review (UCSC)
• Literature Reviews (Purdue)
• Literature Reviews: overview (UNC)
• Review of Literature (UW-Madison)

Evidence Matrix for Literature Reviews

The  Evidence Matrix  can help you  organize your research  before writing your lit review.  Use it to  identify patterns  and commonalities in the articles you have found--similar methodologies ?  common  theoretical frameworks ? It helps you make sure that all your major concepts covered. It also helps you see how your research fits into the context  of the overall topic.

• Evidence Matrix Special thanks to Dr. Cindy Stearns, SSU Sociology Dept, for permission to use this Matrix as an example.
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Doing a Literature Review in Sociology

Introduction, early in the process, during data analysis, getting ready to write, before submitting the paper.

• Searching: Early in the Process
• Organizing: Getting Ready to Write

Top Journals & Publishers

Recommended Journals

• American Journal of Sociology Published by University of Chicago Press, available through JSTOR
• American Sociological Review Published by the American Sociological Association, available through SAGE Journals database
• Annual Review of Sociology Published by Annual Reviews, available through Brandeis subscription to the Annual Reviews website
• Social Forces Published by Oxford University Press, most recent issues (2000-present) available through Project Muse database
• Social Problems Published by Oxford University Press, available through Brandeis subscription to Oxford University Press website
• Theory & Society Published by Springer, available through Brandeis's subscription to Springer Standard Collection

Recommended Publishers

Found a good book that we don't own?  Contact  [email protected]  to request a library purchase! 

A literature review helps you figure out what scholars, what studies, and what questions your project is in conversation with. It typically happens in stages throughout the life of your project – it is not something you do once and are then finished with!

This guide explores how to think about and do a literature review at four different stages of a project. On this page, Professor Wendy Cadge suggests how to think about each step. Get specific advice on strategies for searching and organizing on the subsequent pages of this guide.

​Wendy's Process

The first time I do a literature review is when I am thinking about possible research topics and questions and want to know what people have written about these questions and what they have found. I search the topics and questions broadly aiming to get a relatively comprehensive sense of what is known about my topic and whether there is space for another study that is going to contribute meaningfully to the conversation. I am trying to figure out both who is in this conversation (what scholars specifically but also in what fields), what they are talking about, and what is known and not known according to these experts.

The goal here is to figure out whether my study will be new and relevant and whether there is a way to motivate it both empirically and theoretically for the audience I am thinking of. I need this answer to be yes in order to proceed with the process.

As I do this initial literature review I am also refining my research question, asking myself whether it makes sense, how it relates to the ways others have approached my topic, etc. Often questions are too big (they will require thousands of pages to answer) or too small (you don’t need an empirical study to answer them) so I am also trying to get my question to be the right size as I do this first review.

My search strategies are as follows   Google Scholar and Sociological Abstracts with key terms, and focus on books published by major presses and articles in well-known journals. When I get hits I sort them into groups based on what they are - materials by sociologists, by other academics, by journalists, etc. I only read things that are published (no conference papers!) and read books in the top academic presses first (Chicago, UC Berkeley, Princeton, Oxford, Cambridge) and things in well-known sociology journals. (See the box to the left for links to these journals.) Depending on the topic, I may read a lot written by non-sociologists to learn more . I read almost nothing in the popular media on the first go through.

I also don’t “read” everything - I skim books and read article abstracts to get an overview. The goal is to write 5-6 double spaced pages about what is known and what my study might add. I also want to have a set of more specific search terms and author names to search later. Typically I am mostly reviewing the sociology literature to think about how to fit this into a social science frame while also separating out “primary sources” to read later. These other sources about my topic include data (like government reports, statistical information etc.), which will be analyzed later rather than used for sociological framing.

Before I start collecting data I check with various colleagues to make sure my assessment of the literature and the place of my study in it (my 5-6 page document) makes sense and is convincing (i.e., I don’t want to waste my time gathering data to answer a question that people either don’t think is interesting, has already been answered in the literature, or isn’t going to add anything new and significant to the conversation. I don’t want to be the dud at the dinner party who is saying something people already know or doesn’t have anything to say.

Themes typically emerge in the process of analyzing the data that require me to revisit what I think I know about my topic and question from the literature. This is usually the place where I am trying to figure out what my empirical and theoretical arguments are. Often I have ideas about what my theoretical hooks or arguments might be but they come from other literatures, scholars or friends working in different parts of sociology, etc. This is often where I go back to the literature (via Annual Review articles and searches) to see how people have used certain concepts and to see if those concepts might help me articulate what I am finding. I also read the key empirical articles cited in the Annual Review articles to see how what I am finding is similar to and different from what others know and how I can relate to those studies with my data.

Search strategies Google scholar and Sociological Abstracts, Annual review articles, asking people who know the discipline better than I do where to go to learn about concept x or y. At this point I’m looking for ideas as I read that will help me make and articulate whatever arguments might be supported by my data.

By the time I finish this step I have a good sense of what my findings and argument are and how they fit i nto the existing conversation / literature.

If I have done the above two steps well, I probably have an outline by now that lays out what I think my findings are and how I am going to situate them and motivate them in existing literatures. Before I start to write I read through my entire Endnote database and I put citations and notes in the outline that will help me make certain points. If I see holes or don’t feel like the outline is tight enough I do more lit review at this point to help me situate my question as tightly as possible in existing literature. While articles are written in a way that makes it look like you do the lit review, then the data collection and analysis, then articulate the findings, etc. this is actually iterative for me through the whole process.

For more information on EndNote and other citation management software like Zotero, see the Organizing section of this guide .

Search strategies The same as what’s outlined above. Part of the trick here though is knowing when to stop searching and start writing! I try to start writing before I feel like I am finished reading because I will discover as I write what is missing and will go back and fill it in.

I have friends and colleagues read my paper and give me feedback. If this is going to a journal I look at the editorial board and make sure I have engaged with the ideas of any scholars on the editorial board that are relevant as these people are likely to be reviewers . I also always fill in a lot of citations after the article is drafted so I can see it as a whole and see what is and is not needed to make the argument more compelling.

Search strategies This is when I am looking up certain people usually on the web to see if I read relevant publications or am searching for a particular article. If I know I need some citations about a certain topic to support a point, this is also when I find them. This is usually the easiest part of the process.

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• URL: https://guides.library.brandeis.edu/soclitreviews

Sociology Research Guide

• Picking a topic
• Background research and finding books
• Advanced searching in databases and Google
• Finding statistics
• Evaluating sources
• Literature Reviews

What is a Lit Review?

How to write a lit review.

• Video Introduction to Lit Reviews

Main Objectives

Examples of lit reviews, additional resources.

• SOC1: Morales (Cultural Artifact)
• SOC4: Ie (Literature Review)

What is a literature review?

• Either a complete piece of writing unto itself or a section of a larger piece of writing like a book or article
• A thorough and critical look at the information and perspectives that other experts and scholars have written about a specific topic
• A way to give historical perspective on an issue and show how other researchers have addressed a problem
• An analysis of sources based on your own perspective on the topic
• Based on the most pertinent and significant research conducted in the field, both new and old

• A descriptive list or collection of summaries of other research without synthesis or analysis
• An annotated bibliography
• A literary review (a brief, critical discussion about the merits and weaknesses of a literary work such as a play, novel or a book of poems)
• Exhaustive; the objective is not to list as many relevant books, articles, reports as possible
• To convey to your reader what knowledge and ideas have been established on a topic
• To explain what the strengths and weaknesses of that knowledge and those ideas might be
• To learn how others have defined and measured key concepts    
• To keep the writer/reader up to date with current developments and historical trends in a particular field or discipline
• To establish context for the argument explored in the rest of a paper
• To provide evidence that may be used to support your own findings
• To demonstrate your understanding and your ability to critically evaluate research in the field
• To suggest previously unused or underused methodologies, designs, and quantitative and qualitative strategies
• To identify gaps in previous studies and flawed methodologies and/or theoretical approaches in order to avoid replication of mistakes
• To help the researcher avoid repetition of earlier research
• To suggest unexplored populations
• To determine whether past studies agree or disagree and identify strengths and weaknesses on both sides of a controversy in the literature

• Choose a topic that is interesting to you; this makes the research and writing process more enjoyable and rewarding.
• For a literature review, you'll also want to make sure that the topic you choose is one that other researchers have explored before so that you'll be able to find plenty of relevant sources to review.

• Your research doesn't need to be exhaustive. Pay careful attention to bibliographies. Focus on the most frequently cited literature about your topic and literature from the best known scholars in your field. Ask yourself: "Does this source make a significant contribution to the understanding of my topic?"
• Reading other literature reviews from your field may help you get ideas for themes to look for in your research. You can usually find some of these through the library databases by adding literature review as a keyword in your search.
• Start with the most recent publications and work backwards. This way, you ensure you have the most current information, and it becomes easier to identify the most seminal earlier sources by reviewing the material that current researchers are citing.

The organization of your lit review should be determined based on what you'd like to highlight from your research. Here are a few suggestions:

• Chronology : Discuss literature in chronological order of its writing/publication to demonstrate a change in trends over time or to detail a history of controversy in the field or of developments in the understanding of your topic.  
• Theme: Group your sources by subject or theme to show the variety of angles from which your topic has been studied. This works well if, for example, your goal is to identify an angle or subtopic that has so far been overlooked by researchers.  
• Methodology: Grouping your sources by methodology (for example, dividing the literature into qualitative vs. quantitative studies or grouping sources according to the populations studied) is useful for illustrating an overlooked population, an unused or underused methodology, or a flawed experimental technique.

• Be selective. Highlight only the most important and relevant points from a source in your review.
• Use quotes sparingly. Short quotes can help to emphasize a point, but thorough analysis of language from each source is generally unnecessary in a literature review.
• Synthesize your sources. Your goal is not to make a list of summaries of each source but to show how the sources relate to one another and to your own work.
• Make sure that your own voice and perspective remains front and center. Don't rely too heavily on summary or paraphrasing. For each source, draw a conclusion about how it relates to your own work or to the other literature on your topic.
• Be objective. When you identify a disagreement in the literature, be sure to represent both sides. Don't exclude a source simply on the basis that it does not support your own research hypothesis.
• At the end of your lit review, make suggestions for future research. What subjects, populations, methodologies, or theoretical lenses warrant further exploration? What common flaws or biases did you identify that could be corrected in future studies?

• Double check that you've correctly cited each of the sources you've used in the citation style requested by your professor (APA, MLA, etc.) and that your lit review is formatted according to the guidelines for that style.

Your literature review should:

• Be focused on and organized around your topic.
• Synthesize your research into a summary of what is and is not known about your topic.
• Identify any gaps or areas of controversy in the literature related to your topic.
• Suggest questions that require further research.
• Have your voice and perspective at the forefront rather than merely summarizing others' work.
• Cyberbullying: How Physical Intimidation Influences the Way People are Bullied
• Use of Propofol and Emergence Agitation in Children
• Eternity and Immortality in Spinoza's 'Ethics'
• Literature Review Tutorials and Samples - Wilson Library at University of La Verne
• Literature Reviews: Introduction - University Library at Georgia State
• Literature Reviews - The Writing Center at UNC Chapel Hill
• Writing a Literature Review - Boston College Libraries
• Write a Literature Review - University Library at UC Santa Cruz
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Research in Sociology

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How to use Scientific Articles in a Literature Review

Video explanations of a literature review, what is a literature review, types of literature reviews.

• Ten Simple Rules for Writing a Literature Review

"A literature review is an account of what has been published on a topic by accredited scholars and researchers. Occasionally you will be asked to write one as a separate assignment, ..., but more often it is part of the introduction to an essay, research report, or thesis. 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. (n.d). The literature review: A few tips on conducting it. Retrieved from  http://www.writing.utoronto.ca/advice/specific-types-of-writing/literature-review

What are the goals of creating a Literature Review?

• 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 literature reviews are written?

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 . San Diego, CA: Plural Publishing.

Meta-analysis - "Meta-analysis is a method of reviewing resarch 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 occured in different studies." (p. 197)

-Roberts, M.C. & Ilardi, S.S. (2003). Handbook of Research Methods in Clinical Psychology . Malden, MA: Blackwell Pub.

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. doi:10.1111/j.1365-2648.2006.03721.x

From University of Connecticut Library

Traditional or Narrative

• Provides background for understanding current knowledge
• Critiques, summarizes and draws conclusions from a body of knowledge
• Identifies gaps or inconsistencies to be filled or corrected through further research and study
• Helps to refine the topic and research question
• Carries the flaw of becoming less useful as more information becomes available
• Identifies, appraises and synthesizes available evidence in order to answer a specified research question
• Applies a more rigorous approach that details the time frame of selected literature and method of critique and analysis
• Uses explicit and well-defined methods in order to minimize bias and increase reliability
• Includes as comprehensive an amount of studies as possible that includes both published and unpublished findings, such as "grey literature"

Meta-Analysis

• Systematically locates, appraises and synthesizes data from a large body of findings using statistical analysis and techniques
• Similar to a systematic review in that it integrates the findings of a large body of knowledge
• Attempts to correct flaws of traditional or narrative reviews by allowing researchers to synthesize a greater amount of studies
• Integrates and draws conclusions on research findings and seeks to detect broad patterns and relationships between studies

Meta-Synthesis

• Attempts to bring together, juxtapose, re-analyze and combine findings from multiple qualitiative studies using non-statistical techniques
• Seeks to discover or provide new interpretations, conceptions or theoretical developments
• Combines multiple studies to identify common key themes and elements
• May use findings from phenomenological, grounded theory or ethnographic studies

Borenstein, M.H., Viggins, L.V. & Julian, P.T. (2009). Introduction to Meta-Analysis. Hoboken, N.J.: Wiley

Cronin, P., Ryan, F. & Coughlan, M. (2008). Undertaking a literature review: A step-by-step approach . British Journal of Nursing, 17 (1), 38-43.

Glasziou, P. (2001). Systematic Reviews in Health Care : A Practical Guide. New York: Cambridge University Press.

Mays, C., Popay, N. & Jennie (2007).  Synthesising Qualitative and Quantitative Health Research : A Guide to Methods . Great Britain: Open University Press.

From Bow Valley College Library

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Literature Reviews (about this page)

Literature reviews/about this page:.

Literature reviews may be sections in a paper or full articles that categorized as literature reviews. This page on your course guide simply provides examples. For assignment clarification and details, always check with your instructor/professor to ensure you achieve the best outcome possible. I hope this helps gets you started!

Literature Review Guides

• Writing a Literature Review [Owl at Purdue website] 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). ... 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....

Video: Writing a Literature Review Section by SJSU King Library

Writing a Literature Review Section from SJSU King Library on Vimeo .

A key part of any research paper is the literature review section. Learn how to research, structure and write this important part of your project

• Learn How to Write a Review of Literature A succinct description of the literature review process from The Writing Center at The University of Wisconsin-Madison.
• Writing the Literature Review, Part I [Video]  In this YouTube video, David Taylor at the University of Maryland University College gives a practical, clear explanation of the process. The sound isn't high quality, but his presentation is. 5:22 minutes.
• Writing the Literature Review, Part 2 This YouTube video is a continuation of the one above. 7:40 minutes.
• How to Evaluate Journal Articles A list of questions to ask when evaluating an article for a literature review, written by Naomi Lederer at the Colorado State University Libraries.
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Literature Reviews in the Social Sciences: Home

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Literature Reviews in the Social Sciences

  This guide is designed to help you as you get started on a literature review in the social sciences.  It contains search tips, advice on where to look for sources, and information on how to organize and evaluate the sources you find.   

Doing a Literature Review

What's a Literature Review?

A literature review is the systematic written analysis of previously published research on a specific topic or subject. A literature review is not merely a summary of another scholar's articles or books. Instead, it provides a contextual analysis of the data, ideas, or theoretical concepts presented in the article, book, or other publication.

Why is a literature review important?

All scholars recognize the importance of the literature review. It provides the foundation for all scholarly research papers, theses, and dissertations. You can't write intelligently about a subject if you are unfamiliar with the existing literature. Therefore, the literature review is meant to showcase what has already been discussed or discovered in your topical area.

What types of resources should be used for a literature review?

 A literature review should be written using "credible" academic sources of information. This means using peer-reviewed, scholarly articles, books, and other publications in your subject area. You should avoid using popular magazines, unpublished works, blogs, or other resources deemed non-scholarly.

What other things should I consider while reading the source material?

Take careful notes of important ideas, concepts, or facts you find that are relevant to your overall topic or thesis. Most importantly, keep track of all the sources used. This will keep you from needing to relocate them later. If your paper is large in scope, use electronic bibliographic tools such as Endnote or RefWorks to keep track of all your citations while you write.

What about writing the literature review itself?

When you are prepared to begin writing your literature review, you should not simply summarize the articles and books you find. You should carefully consider the research and the author's interpretation of the subject matter. Then show how their research relates to your specific topic, from your unique point of view.

Annual Reviews / Dissertations & Theses

Many scholarly journals, dissertations, and theses also publish long and extremely detailed literature reviews. 

The Annual Reviews series of publications offer articles that analyze the most significant scholarly research published within the preceding year. Written by leading scholars and academics, the articles cover over 40 different subject disciplines in the social and hard sciences.

To search directly for a literature review, go to a library database and search for:

    "literature review" AND [your research topic] .

• Annual Reviews This link opens in a new window Annual Reviews offers comprehensive, timely collections of critical reviews written by leading scientists. Annual Reviews volumes are published each year for 29 focused disciplines within the Biomedical, Physical, and Social Sciences.
• Dissertations & Theses Global This link opens in a new window Dissertations and Theses Global contains indexes, dissertations and some theses. Full-text is available for many dissertations and theses, including those from NYU.

Books on Writing Literature Reviews

Sage Research Methods - Videos on Doing Literature Reviews

• Sage Research Methods - Literature Reviews Professor Eric Jensen and Dr. Charles Laurie explain how to write a literature review, and why researchers need to do so. Literature reviews can be stand-alone research or part of a larger project. They communicate the state of academic knowledge on a given topic, specifically detailing what is still unknown.
• How to Conduct an Effective Literature Review Claire White, an Associate professor from California State University Northridge, explains how to conduct an effective literature review using a literature review sketch.
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• Last Updated: Apr 13, 2024 7:36 PM
• URL: https://guides.nyu.edu/litreviews

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What is a Literature Review?

Literature reviews ("lit reviews") provide an overview of existing research on the topic you are studying. As part of a larger research paper, literature reviews let your readers know what existing research says (or doesn't say) about your research topic, placing your work in the existing scholarly conversation. Stand-alone literature reviews keep readers up-to-date on the research literature on a particular topic.

Conducting a literature review can:

• familiarize you with the existing research on your topic
• reveal the important scholars studying your research topics
• help you generate ideas for your work (like deciding on a particular research method)
• ensure that you are not duplicating existing research
• find gaps in the literature (parts of the topic that have been under-researched or perspectives that have yet to be considered)
• Lit Reviews as Scholarly Conversations and Questions to Guide it

How to Write a Literature Review

• Evidence Matrix The Evidence Matrix can help you organize your research before writing your lit review. Use it to identify patterns and commonalities in the articles you have found. Made by Dr. Cindy Stearns, SSU Sociology Dept.
• Strategies for Writing a Literature Review This handout guides you through writing a literature review! Made by The Writing Center, University of North Carolina at Chapel Hill.

Helpful Resources

• Comparing the Annotated Bibliography to the Literature Review
• Sociology Oxford Bibliographies
• Article: A Typology of Reviews and their Methodologies
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Penn State University Libraries

Soc 001: introductory sociology.

• Literature Reviews: Strategies for Writing
• Fake News and Evaluating Sources

Literature Reviews

What is a Literature Review? The literature review is a critical look at the existing research that is significant to the work that you are carrying out. This overview identifies prominent research trends in addition to assessing the overall strengths and weaknesses of the existing research.

Purpose of the Literature Review

• To provide background information about a research topic.
• To establish the importance of a topic.
• To demonstrate familiarity with a topic/problem.
• To “carve out a space” for further work and allow you to position yourself in a scholarly conversation.

Characteristics of an effective literature review In addition to fulfilling the purposes outlined above, an effective literature review provides a critical overview of existing research by

• Outlining important research trends.
• Assessing strengths and weaknesses (of individual studies as well the existing research as a whole).
• Identifying potential gaps in knowledge.
• Establishing a need for current and/or future research projects.

Steps of the Literature Review Process

1) Planning: identify the focus, type, scope and discipline of the review you intend to write. 2) Reading and Research: collect and read current research on your topic. Select only those sources that are most relevant to your project. 3) Analyzing: summarize, synthesize, critique, and compare your sources in order to assess the field of research as a whole. 4) Drafting: develop a thesis or claim to make about the existing research and decide how to organize your material. 5) Revising: revise and finalize the structural, stylistic, and grammatical issues of your paper.

This process is not always a linear process; depending on the size and scope of your literature review, you may find yourself returning to some of these steps repeatedly as you continue to focus your project.

These steps adapted from the full workshop offered by the Graduate Writing Center at Penn State. 

Literature Review Format

 Introduction

• Provide an overview of the topic, theme, or issue.
• Identify your specific area of focus.
• Describe your methodology and rationale. How did you decide which sources to include and which to exclude? Why? How is your review organized?
• Briefly discuss the overall trends in the published scholarship in this area.
•  Establish your reason for writing the review.
•  Find the best organizational method for your review.
•  Summarize sources by providing the most relevant information.
•  Respectfully and objectively critique and evaluate the studies.
•  Use direct quotations sparingly and only if appropriate.

 Conclusion

•  Summarize the major findings of the sources that you reviewed, remembering to keep the focus on your topic.
•  Evaluate the current state of scholarship in this area (ex. flaws or gaps in the research, inconsistencies in findings) 
•  Identify any areas for further research.
•  Conclude by making a connection between your topic and some larger area of study such as the discipline. 
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Tips for Doing a Literature Review in Sociology

[Adapted from: USC Libraries Research Guides: 5: The Literature Review (this is an excellent, in-depth treatment of Social Science Research and the Literature Review):   https://libguides.usc.edu/writingguide/literaturereview  ]

What is the Purpose of a Literature Review?

A literature review is an important way of providing an overview and context for your paper topic and can encompass many types of publications, such as books, scholarly journal articles,  or surveys & datasets.  In the Social Sciences in particular, literature reviews usually are not merely lists and descriptions of relevant sources but  also a synthesis, often with reorganization,  around themes and trends in the literature.  Thus, a literature review represents a critical analysis of sources related to your topic and where it fits into a larger field of study.

You might use a literature review to do the following:

• bring a new interpretation to a topic or subject category;
• contrast similarities and differences/conflicts among studies; 
• trace the history of trends and developments (themes)  in a field; or
• identify where gaps in research exist in the literature.

Review Articles

As you may recall from the Types of Periodicals/Articles tutorial , one excellent way of getting an overview of issues, concepts, and theories in a field over time is through  review articles. You can use the Discover Advanced Search to focus in on these articles. Click the link above to review the characteristics of Review Articles.

One excellent way of getting an overview of issues, concepts, and theories in Sociology over time is through an annual publication known as the Annual Review of Sociology.  This publication, which began in 1975,  "... covers the significant developments in the field of sociology. Topics covered in the journal include major theoretical and methodological developments as well as current research in the major subfields. " ( https://www.annualreviews.org/journal/soc ).   

The GS University Libraries provide online access to ARS via JSTOR, ProQuest Central and EBSCO EJS.  See also the Types of Articles section in this guide for a more through description of Review Articles.

• Annual Review of Sociology Click this link to navigate to the most recent volumes to get started (Note: if you are off-campus, you will need to log in with your GS username and password).

ADDITIONAL FEATURES OF LITERATURE REVIEWS:

Not all literature Reviews are the same!  Here are a few different types:

• Argumentative, Integrative, Historical, Methodological, Systematic & Theoretical.
• Integrative Literature Reviews involve the overview, critique and synthesis of literature on a topic; sources can be integrated to allow the creation of new frameworks or perspectives.

Four Stages of a Literature Review

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.

Organization:  There are also numerous ways you can organize your Literature Review- here are a few

• Publication Chronology
• Themes/Categories
• Methodologies

[The above was adapted from: USC Libraries Research Guides: 5: The Literature Review,  https://libguides.usc.edu/writingguide/literaturereview.  It is  an excellent, in-depth treatment of Social Science Research and the Literature Review.   ]

Other considerations:   What types of sources do you need?  do you need theoretical overviews, study findings,  or methodologies? how current does the information need to be?  The answers to those questions will determine where you need to look for information in the articles/books and what sort of databases or repositories to consult.   

• See the box entitled:  What Type of Article Do You Need ? for  a tutorial on types of publications/articles and tips for reading academic articles.

If you have questions about finding or evaluating sources, please don't hesitate to contact me: [email protected] or make an appointment to meet with me--click  here . 

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What is a literature review?

A literature review discusses and analyzes published information in a particular subject area. Sometimes the information covers a certain time period.

A literature review is more than a summary of the sources, it has an organizational pattern that 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?

While the main focus of an academic research paper is to support your own argument, the focus of a literature review is to summarize and synthesize the arguments and ideas of others. The academic research paper also covers a range of sources, but it is usually a select number of sources, because the emphasis is on the argument. Likewise, a literature review can also have an "argument," but it is not as important as covering a number of sources. In short, an academic research paper and a literature review contain some of the same elements. In fact, many academic research papers will contain a literature review section. What aspect of the study (either the argument or the sources) that is emphasized determines what type of document it is.

(from  Literature Reviews  - University of North Carolina Writing Center)

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.

Sample annotation  

The citation goes first and is followed by the annotation. Make sure that you follow your faculty’s preferred citation style. The summary needs to be concise (please note the following example is entirely fictitious).

In the sample annotation below, each element is numbered (see Key).

Learn how to research, structure and write a literature review paper that synthesizes the key theories and results in your field of study.

From SJSU's King Library. Thank you!

Writing a Literature Review Paper from SJSU King Library on Vimeo .

Basic outline:

Just like most academic papers, literature reviews 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.

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 the 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 and then three typical ways of organizing the sources into a review:

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.

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 chronologically by publication 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.

Another way to organize sources chronologically is to examine the sources under a 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. Using 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 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.

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.

Other sections to include:

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?

Composing your literature review:

O nce 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. 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 Language 19:2.

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 Research Guide on  Citations .

• Lit Review vs. Research Paper
• Lit Review vs. Annotated Bibliography
• How to read scholarly articles

• 5 Differences between a research paper and a review paper

Annotated bibliographies and literature reviews are both comprehensive collections of relevant sources, but that is where the similarity ends. Their purposes, structures, and components are very different.

Additional differences:

• In the case of an annotated bibliography, there is a separate paragraph for each source cited. In a literature review, each body paragraph should include several sources, and sources may be repeated as necessary.
• An annotated bibliography examines each source based on its relationship to the topic; a literature review draws together multiple sources to examine where they agree or disagree.
• An annotated bibliography must organize sources alphabetically, but a literature review is likely to use problem/solution, cause/effect, comparison/contrast, classification/division, or process to organize sources.
• An annotated bibliography allows the reader to choose whether to explore the available sources or not on their own while a literature review directs the reader to a particular understanding of the available sources;

The following illustration provides an example of the differences in layout between an annotated bibliography and a literature review. The sources that are arranged alphabetically in the annotated bibliography are integrated throughout the paragraphs of the literature review. The order of sources shown in the literature review is just an example; any appropriate sources can be used wherever they fit. 

Thank you to Cayla Buttram, David MacMillan III, & Dr. R.T. Koch, Jr. - UNA Center for Writing Excellence

Structure of Scientific Papers

Research papers generally follow a specific format. Here are the different parts of the scholarly article.

Abstract  (Summary)

The abstract, generally written by the author(s) of the article, provides a concise summary of the whole article. Usually it highlights the focus, study results and conclusion(s) of the article. 

Introduction  (Why)

In this section, the authors introduce their topic, explain the purpose of the study, and present why it is important, unique or how it adds to existing knowledge in their field. Look for the author's hypothesis or thesis here. 

Introduction - Literature Review  (Who else)

Many scholarly articles include a summary of previous research or discussions published on this topic, called a "Literature Review".  This section outlines what others have found and what questions still remain.

Methodology  /  Materials and Methods  (How) 

Find the details of how the study was performed in this section. There should be enough specifics so that you could repeat the study if you wanted. 

Results   (What happened)

This section includes the findings from the study. Look for the data and statistical results in the form of tables, charts, and graphs. Some papers include an analysis here.

Discussion  / Analysis  (What it means)

This section should tell you what the authors felt was significant about their results. The authors analyze their data and describe what they believe it means.

Conclusion  (What was learned)

Here the authors offer their final thoughts and conclusions and may include: how the study addressed their hypothesis, how it contributes to the field, the strengths and weaknesses of the study, and recommendations for future research. Some papers combine the discussion and conclusion.

Reading a Scholarly Article

A scholarly paper can be difficult to read. Instead of reading straight through, try focusing on the different sections and asking specific questions at each point.

What is your research question? 

When you select an article to read for a project or class, focus on your topic. Look for information in the article that is relevant to your research question. 

Read the abstract first  as it covers basics of the article. Questions to consider: 

• What is this article about? What is the working hypothesis or thesis?
• Is this related to my question or area of research?

Second: Read the introduction and discussion/conclusion.  These sections offer the main argument and hypothesis of the article. Questions to consider for the introduction: 

• What do we already know about this topic and what is left to discover?
• What have other people done in regards to this topic?
• How is this research unique?
• Will this tell me anything new related to my research question?

Questions for the discussion and conclusion: 

• What does the study mean and why is it important?
• What are the weaknesses in their argument?
• Is the conclusion valid?

Next: Read about the Methods/Methodology.  If what you've read addresses your research question, this should be your next section. Questions to consider:

• How did the author do the research? Is it a qualitative or quantitative project?
• What data are the study based on?
• Could I repeat their work? Is all the information present in order to repeat it?

Finally: Read the Results and Analysis.  Now read the details of this research. What did the researchers learn? If graphs and statistics are confusing, focus on the explanations around them. Questions to consider: 

• What did the author find and how did they find it?
• Are the results presented in a factual and unbiased way?
• Does their analysis agree with the data presented?
• Is all the data present?
• What conclusions do you formulate from this data? (And does it match with the Author's conclusions?)

Review the References (anytime):  These give credit to other scientists and researchers and show you the basis the authors used to develop their research.  The list of references, or works cited, should include all of the materials the authors used in the article. The references list can be a good way to identify additional sources of information on the topic. Questions to ask:

• What other articles should I read?
• What other authors are respected in this field?
• What other research should I explore?

Additional Reading Tips

When you read these scholarly articles, remember that you will be writing based on what you read.

While you are Reading:

• Keep in mind your research question
• Focus on the information in the article relevant to your question (feel free to skim over other parts)
• Question everything you read - not everything is 100% true or performed effectively
• Think critically about what you read and seek to build your own arguments
• Read out of order! This isn't a mystery novel or movie, you  want  to start with the spoiler
• Use any keywords printed by the journals as further clues about the article
• Look up words you don't know

How to Take Notes on the Article

Try different ways, but use the one that fits you best. Below are some suggestions:

• Print the article and highlight, circle and otherwise mark while you read (for a PDF, you can use the  highlight text  feature in Adobe Reader)
• Take notes on the sections, for example in the margins (Adobe Reader offers pop-up  sticky notes )
• Highlight only very important quotes or terms - or highlight potential quotes in a different color
• Summarize the main or key points

Reflect on what you have read - draw your own conclusions . As you read jot down questions that come to mind. These may be answered later on in the article or you may have found something that the authors did not consider. Here are a few questions that might be helpful:

• Have I taken time to understand all the terminology?
• Am I spending too much time on the less important parts of this article?
• Do I have any reason to question the credibility of this research?
• What specific problem does the research address and why is it important?
• How do these results relate to my research interests or to other works which I have read?
• How to read scientific papers

Collecting resources

• General resources
• Dissertations and Theses
• Examples and resources
• Other literature review examples

Sources for a Literature Review will come from a variety of places, including:

•Books Use the  Library Catalog  to see what items McDermott Library has on your topic or if McDermott Library has a specific source you need.  WorldCat  :  If no library in Maine owns the book, try searching the worldwide library catalog:  WorldCat .  Items found in WorldCat may be requested with  Interlibrary Loan . This provides access to millions of items outside the state of Maine. Please plan ahead - shipments for items outside of Maine can be a week or more, depending on the location of the lending library. First Time Users - Create an ILL Account Go to our  ILL System  and click the link that says "Create an Account."

• Enter all information requested.
• Click “Submit Information” at the bottom of the page to complete your registration.

•Reference Materials Reference Materials such as encyclopedias and dictionaries provide good overall views of topics and provide keyword hints for searching. Many will include lists of sources to consider for your literature review.

•Journals via Electronic Databases   Journals are a major source of materials for a literature review. With the library's databases, you can search thousands of journals back a century or more.   

•Conference Papers At conferences, professionals and scholars explore the latest trends, share new ideas, and present new research. Searching Conference papers allows you to see research before it is published and get a feel for what is going on in a particular organization or within a particular group. 

Many electronic databases include conference proceedings.  This link  will take you to several databases that specifically carry proceedings. 

•Internet The general internet can be a valuable resource for information. However, it is largely unregulated. Be sure to critically evaluate internet sources. Look at  E valuating Information  for suggestions on evaluating websites.

•Government Publications The U.S. government produces a wide variety of information sources, from consumer brochures to congressional reports to large amounts of data to longitudinal studies. For the United States,  firstgov  and  fedstats  are good places to start. Official state websites can be helpful for individual state statistics and information. 

• "Literature Reviews" from The Writing Center, University of North Carolina at Chapel Hill
• 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.
• "Literature Review" from Washington & Lee University

In preparing a literature review, you will need to conduct extensive research on your topic using a number of sources (use the links at the left). First, you may want to know a few things:

• What is a Literature Review?
• Why do a Literature Review?
• How do you write a Literature Review?
• How do you begin looking for sources?

Organizing Your Social Sciences Research Paper: 5. The 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.

Lewis, C. (2018). The Open Access Citation Advantage: Does It Exist and What Does It Mean for Libraries?  Information Technology & Libraries ,

37(3), 50–65.  https://doi-org.ursus-proxy-7.ursus.maine.edu/10.6017/ital.v37i3.10604

Festante, F., Antonelli, C., Chorna, O., Corsi, G., & Guzzetta, A. (2019). Parent-Infant Interaction during the First Year of Life in Infants at High Risk

for Cerebral Palsy: A Systematic Review of the Literature.  Neural Plasticity , 1–19.

https://doi-org.ursus-proxy-7.ursus.maine.edu/10.1155/2019/5759694

McCarthy, Sarah. 2016. “The Therapeutic Power of Music: A Literature Review.”  Journal of the Australian Traditional-Medicine Society  22 (3):

154–60.  https://search-ebscohost-com.ursus-proxy-7.ursus.maine.edu/login.aspx?direct=true&db=a9h&AN=118335119&site=ehost-live.

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What is a Literature Review?

A literature review is an essential component of every research project. It requires “re-viewing” what credible scholars in the field have said, done, and found in order to help you:

• Identify what is currently known in your area of interest
• Establish an empirical/ theoretical/ foundation for your research
• Identify potential gaps in knowledge that you might fill
• Develop viable research questions and hypotheses
• Determine appropriate methodologies
• Decide upon the scope of your research
• Demonstrate the importance of your research to the field
• VCU Libraries Guide: How to Write a Literature Review

Helpful Tools for Literature Reviews

• Academic Phrasebank Examples of common phrases used in literature reviews and reports of research findings. The items in the Academic Phrasebank are mostly content neutral and generic in nature; in using them, therefore, you are not stealing other people’s ideas and this does not constitute plagiarism.
• How to Read a Journal Article Tips and tricks to make reading and understanding social science journal articles easier from ICPSR.

As you read, you'll encounter various ideas, disagreements, methods, and perspectives which can be hard to organize in a meaningful way. Because you'll be reading a number of resources, a synthesis matrix helps you record the main points of each source and document how sources relate to each other.

• Writing a Literature Review & Using a Synthesis Matrix
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What is a literature review?

A literature review is an explanation of what has been published on a subject by recognized researchers. Occasionally you will be asked to write one as a separate assignment (sometimes in the form of an annotated bibliography, but more often it is part of the introduction to a   research report, essay, thesis or dissertation.) Critical literature reviews help to write your literature review more effectively: A literature review must do these things: a. be organized around and related directly to the thesis or research question you are developing b. synthesize results into a summary of what is and is not known c. identify areas of controversy in the literature d. formulate questions that need further research Before writing literature review ask yourself questions like these:

1. What is the specific thesis, problem, or research question that my review of literature helps to define?

2. What type of literature review am I conducting? Am I looking at issues of theory? methodology? policy? quantitative research (e.g. on the effectiveness of a new procedure)? qualitative research (e.g., studies )?

3. What is the scope of my literature review? What types of publications am I using (e.g., journals, books, government documents, popular media)? What discipline am I working in (e.g., management , organizational behavior, 

marketing)?

4. How good was my information seeking? Has my search been wide enough to ensure I've found all the relevant material? Has it been narrow enough to exclude irrelevant material? Is the number of sources I've used appropriate for the length of my paper?

5. Have I critically analyzed the literature I use? Do I follow through a set of concepts and questions, comparing items to each other in the ways they deal with them? Instead of just listing and summarizing items, do I assess them, discussing strengths and weaknesses?

6. Have I cited and discussed studies contrary to my perspective?

7. Will the reader find my literature review relevant, appropriate, and useful?

Tips on writing a literature review (Hart 1998)

Lit Review Tips

Search for the most recent articles that deal with your topic; many of them will summarize the prior literature in the area, saving you valuable time. Remember to attribute even if you paraphrase!

Literature reviews can be overwhelming. You can't find everything. Just find the literature that gets discussed the most or is most relevant to your topic.

The goal of the literature review is to show that you understand the 'bigger picture' and can put your research and recommendations in context of others working in the field.

Need help writing a literature review?

Writing Literature Reviews : A Guide for Students of the Social and Behavioral Sciences by Jose L. Galvan.

Library North 2nd floor

H 61.8 G34 2014

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About Literature Reviews

Resources: how to write a literature review, templates for organizing your notes.

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A Literature Review...

A literature review discusses published information in a particular subject area. A literature review combines summary and synthesis of research on a particular topic and is an examination and interpretation of the existing scholarly literature on that topic. It can be thought of as a summary of the answers to your research question. Some of the following questions may help as you evaluate the literature on your topic:

• What are the major themes in the existing research on your topic?
• Are there any debates in the literature, such that scholars taking opposing sides in their research?
• Are there any gaps in the extant literature, such that there are questions that are not sufficiently answered?
• What is the state of the research on this topic and how does it all fit together?

How to write a literature review

• Literature reviews (The Writing Center at UNC-Chapel Hill)
• Literature Reviews (OWL Purdue)
• The Literature Review (USC)
• Research Prospectus
• The Literature Review: Six Steps to Success

Samples -  Literature Review

• Search for Literature Reviews (Find Good Models)

Because literature reviews convey so much information in a condensed space, it is crucial to organize your review in a way that helps readers make sense of the studies you are reporting on. Two common approaches to literature reviews are chronological —ordering studies from oldest to most recent—and topical —grouping studies by subject or theme.

How are you going to organize the literature?

• Organizing Your Sources
• Topical grouping studies by subject or theme
• Chronological ordering studies from oldest to most recent
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What is a Literature Review?

A literature review is a “critical analysis of a segment of a published body of knowledge through summary, classification, and comparison of prior research studies, reviews of literature, and theoretical articles” (University of Wisconsin Writing Center).

Do not confuse a literature review with an annotated bibliography.

Information for this page is taken from the Thompson Writing Program .

• The introduction should explain why you are writing the review (“so what/who cares?”) and make some central claims about the current state of the literature (e.g. trends, debates, gaps, etc.).
• Organize the body of the paper by common denominators among sources, such as methodologies, conclusions, philosophical approaches, or possibly chronology (assuming topical subsections)
• The conclusion should summarize significant contributions to the field, situate the reviewed literature in the larger context of the discipline, point out flaws or gaps in the research, and/or suggest future areas of study.
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Sociology: lit reviews.

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Literature Review

In a  literature review you explore research that has come before you and is relevant to your topic. It can help you identify:

• Core research in the field
• Experts in the subject area
• Methodology you may want to use (or avoid)
• Gaps in the literature -- or where your research would fit in

Helpful approaches:

• See what literature reviews already exist on your topic! Databases like Oxford Bibliographies Online: Sociology and Sociological Abstracts (limit the document type to literature review) can save you a lot of time. Also don’t forget the Annual Review of Sociology , and the Proquest Dissertations and Theses database; these in-depth pieces usually have comprehensive lists of references.
• Citation slogging (aka "snowballing") -- work your way back through citations (or footnotes) to key articles
• Forward citation -- see who has cited key articles using  Google Scholar  and  Web of Science Cited Reference Search  . ​

Writing Guidelines:

• Start with Writing for Sociology  from the UC Berkeley Sociology Department—it’s packed with great content!
• A great overview of the entire process from the Writing Center at the University of North Carolina Chapel Hill
• A piece from the blog Everyday Sociology on “ How (and Why) to Write a Literature Review ”

Systematic Reviews

Systematic reviews are not the same as literature reviews; instead, they can be considered an extremely rigorous subset of literature reviews.  Generally, systematic reviews take a team of professionals and one to two years to complete, and they usually can't be done for avenues of research which are newly being explored (there needs to be an established body of literature to examine).  This makes them very helpful resources if they exist for your topic of interest!

You may wish to peruse UCSF's  Systematic Review Guide  for information.

If you do decide to do a systematic review, UC Berkeley licenses  Covidence , a tool to help you. In Covidence, you can  import citations ,  screen titles and abstracts ,  upload references ,  screen full text ,  create forms for critical appraisal ,  perform risk of bias tables ,  complete data extraction , and  export a PRISMA flowchart  summarizing your review process. As an institutional member, our users have priority access to Covidence support.   To access Covidence using the UC Berkeley institutional account ,  start at this page  and follow the instructions.

Great brief overview, from NCSU

Synthesizing the literature

Now That You Have All Those Articles, How Do You Synthesize Them?

Unlike the annotated bibliography, the literature review does not just summarize each article or book. Instead, they synthesize. Some researchers find it helpful to develop a framework, making a column for each element that they want to compare. The elements vary depending on the research, making it easier to understand the relationships between  all  the articles and how they relate to your research. Here's  one example !

How To Organize and Cite Your Research

Citation management tools  help you manage your research, collect and cite sources, and create bibliographies in a variety of citation styles.  Each one has its strengths and weaknesses, but any are easier than doing it by hand! The Library offers   workshops  on Endnote, Zotero, and Refworks. I'm also happy to help arrange a small group workshop, or one on one help with Zotero. 

For more information on the various tools available, and more on Zotero, see the "Managing Citations" tab in this guide!

Find Dissertations

Dissertations and Theses (Dissertation Abstracts) Full Text : indexes dissertations from over 1,000 North American, and selected European, graduate schools and universities from 1861 to the present. Full text for most of the dissertations added since 1997.

UC Berkeley dissertations : Search UC Library Search  by author. Also helpful to see dissertations written in your department which you can do by doing a subject search:

• subject:  university of california berkeley dept of psychology dissertations
• subject:  dissertations academic ucb psychology

Recent UC Berkeley dissertations are freely available online to anyone, anywhere with access to the internet. Also see  Find Dissertations and Theses  for other specialized sources.

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Many assignments require you to write a literature review, a qualitative analysis of writings on your chosen topic up to this point. While writing literature reviews can be challenging, the process also helps you hone and distinguish your topic. 

Here is a very simplified guide to writing a literature review:

• Use a citation manager to organize your research. Full information on citation managers offered through the SJSU Library can be found on our citation managers guide .
• Establish your topic or research inquiry (see Choosing a Topic).
• Search our databases on your topic, saving and pinning articles in a citation manager as you find them. During your search, you will discover whether your topic is too broad or too narrow. If possible, limit search results on your topic to 50-100 articles.  If necessary, go back and forth between step 1 and step 2 until you find your footing.
• Unpin articles unrelated to your newly-honed topic. Find those that are related and save, browse, or read them.
• Identify a theme as a way to summarize and analyze the resources you've found. Do they tell a chronological story? Are there subtopics they all address or partially address? Do they have similar or different methodologies? Are there gaps in the literature? 
• Create an outline based on the theme you have discovered. Read and save articles according to your outline.
• Write your literature review.
• Remember to cite all your sources, both within the text and at the end of your paper. 
• Optional: In the conclusion of your literature review, identify what has not been discussed in the literature yet. This is a set-up for your own topic. 

Other Resources for Literature Reviews

• Writing a Literature Review Paper Short video from King Library for SJSU students
• Video: An Overview of Literature Reviews More detailed video tutorial on literature reviews
• How to Write a Literature Review by Denney, A., & Tewksbury, R. (2012) This article is intended to provide both undergraduate and graduate students in the criminal justice field specifically, and social sciences more generally, skills and perspectives on how to develop and/or strengthen their skills in writing a literature review

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What is a Literature Review?

Literature reviews in the social sciences take a slightly different approach than in the humanities (literature, philosophy, history, etc.) or the sciences (biology, physics, etc.).  This guide focuses ONLY on the social sciences (anthropology, criminology, political science, sociology, etc.).

'literature'  - commonly people use this word for creative written works like novels; but in academics the word 'literature' is also used to mean any collection or body of written work, including research articles and books.

'review' - commonly people use the word review for evaluations, like a movie review; but in academics the word is used broadly to mean a paper or section of a paper that summarizes and synthesizes literature to give an overview of theory and research on a topic.

Putting it together:

In the social sciences, a literature review is a paper or section of a paper that summarizes and synthesizes. To summarize is to describe the main arguments and conclusions. To synthesize is to compare, contrast, highlight relevant points, relate to ongoing trends or problems, and generally to draw out an argument or position based on the literature being reviewed.

A literature review is not a book review! Book reviews are articles that review a single book title. A literature sums up and analyzes a set of books or articles on a theme.

Literature reviews can be a section of a longer paper or book, or they can stand alone. Social scientists generally include a short review of relevant literature in their research papers to demonstrate how their own research fits into ongoing debates. Longer stand-alone review papers are published to give a picture of the current state of research.  The Annual Reviews publication series are classic examples of stand-alone reviews.

• Annual Reviews This link opens in a new window Critical reviews of primary research literature in the sciences and social sciences. EMU access does not include the most recent 5 years.
• example of lit review articles

Guides on writing literature reviews:

• Literature Reviews - UNC Writing Center
• The Literature Review - USC Libraries
• Literature Reviews: An Overview - NCSU libraries

More kinds of review articles

Review articles are generally a kind of secondary source.  That is, they are not presenting empirical findings from a single research project.  They are, however, original , in the sense that the author is using skill, knowledge and creativity to compile and write something new about the material (books, articles) under review.

There are several kinds of review articles.  Book Reviews are a special case, because sometimes they are written by experts but sometimes they are written by journalists or just fans of the book. Typically, a book review describes the main contents of the book, how it relates to existing ideas or works, and gives a judgment as to its value to various readers.  Some book reviews are just a paragraph, but the reviews in scholarly journals can be several pages.  In Esearch, you can limit search results to book reviews only, or screen book reviews out of the results, by clicking into the left-hand column under Content Type . 

Stand-alone Review Articles or Literature Reviews are common in the social sciences. The authors of these articles are experts, usually scholars. The review articles will address a current topic, lay out the main theories or ideas, recent developments in research, and suggest where further research is needed. Typical review articles are published in series such as:

In the health fields, Systematic Reviews and Meta-analyses are articles that go a step further. Not only do they summarize and research on a topic, but they carefully analyze the research and may attempt to draw conclusions based on the compiled studies.  For more on these kinds of reviews, see:

• What is a Systematic Review? (Curtin Univ) This guide distinguishes several different kinds of reviews, such as literature review, systematic review, scoping review, etc.
• What is a systematic review? (Cochrane)
• Systematic Reviews (EPPI centre)

Finding related articles

Whether for a literature review or a research paper, the analysis is much easier if it is based on a cluster of related articles and not a random assortment.  Finding articles that are related rarely happens just by doing a single search, but it is not hard. Here are some approaches:

• Start with a textbook, reference book, dissertation or review article and collect the citations of the authors who are mentioned or cited as part of the debate.  Make sure to collect works from all points of view.
• Use citation tracking to see how scholars mention each others' work, whether as examples, evidence or in order to debate.  See below for more on citation tracking.
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Should empiric anti-fungals be administered routinely for all patients with perforated peptic ulcers a critical review of the existing literature.

Share and Cite

Chan, K.S.; Tan, L.Y.C.; Balasubramaniam, S.; Shelat, V.G. Should Empiric Anti-Fungals Be Administered Routinely for All Patients with Perforated Peptic Ulcers? A Critical Review of the Existing Literature. Pathogens 2024 , 13 , 547. https://doi.org/10.3390/pathogens13070547

Chan KS, Tan LYC, Balasubramaniam S, Shelat VG. Should Empiric Anti-Fungals Be Administered Routinely for All Patients with Perforated Peptic Ulcers? A Critical Review of the Existing Literature. Pathogens . 2024; 13(7):547. https://doi.org/10.3390/pathogens13070547

Chan, Kai Siang, Lee Yee Calista Tan, Sunder Balasubramaniam, and Vishal G. Shelat. 2024. "Should Empiric Anti-Fungals Be Administered Routinely for All Patients with Perforated Peptic Ulcers? A Critical Review of the Existing Literature" Pathogens 13, no. 7: 547. https://doi.org/10.3390/pathogens13070547

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