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• Literature Review: The What, Why and How-to Guide
• Strategies to Find Sources

Literature Review: The What, Why and How-to Guide — Strategies to Find Sources

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

The Research Process

Planning : Before searching for articles or books, brainstorm to develop keywords that better describe your research question.

Searching : While searching, take note of what other keywords are used to describe your topic, and use them to conduct additional searches

     ♠ Most articles include a keyword section

     ♠ Key concepts may change names throughout time so make sure to check for variations

Organizing : Start organizing your results by categories/key concepts or any organizing principle that make sense for you . This will help you later when you are ready to analyze your findings

Analyzing : While reading, start making notes of key concepts and commonalities and disagreement among the research articles you find.

♠ Create a spreadsheet  to record what articles you are finding useful and why.

♠ Create fields to write summaries of articles or quotes for future citing and paraphrasing .

Writing : Synthesize your findings. Use your own voice to explain to your readers what you learned about the literature on your topic. What are its weaknesses and strengths? What is missing or ignored?

Repeat : At any given time of the process, you can go back to a previous step as necessary.

Advanced Searching

All databases have Help pages that explain the best way to search their product. When doing literature reviews, you will want to take advantage of these features since they can facilitate not only finding the articles that you really need but also controlling the number of results and how relevant they are for your search. The most common features available in the advanced search option of databases and library online catalogs are:

• Boolean Searching (AND, OR, NOT): Allows you to connect search terms in a way that can either limit or expand your search results 
• Proximity Searching (N/# or W/#): Allows you to search for two or more words that occur within a specified number of words (or fewer) of each other in the database
• Limiters/Filters : These are options that let you control what type of document you want to search: article type, date, language, publication, etc.
• Question mark (?) or a pound sign (#) for wildcard: Used for retrieving alternate spellings of a word: colo?r will retrieve both the American spelling "color" as well as the British spelling "colour." 
• Asterisk (*) for truncation: Used for retrieving multiple forms of a word: comput* retrieves computer, computers, computing, etc.

Want to keep track of updates to your searches? Create an account in the database to receive an alert when a new article is published that meets your search parameters!

• EBSCOhost Advanced Search Tutorial Tips for searching a platform that hosts many library databases
• Library's General Search Tips Check the Search tips to better used our library catalog and articles search system
• ProQuest Database Search Tips Tips for searching another platform that hosts library databases

There is no magic number regarding how many sources you are going to need for your literature review; it all depends on the topic and what type of the literature review you are doing:

► Are you working on an emerging topic? You are not likely to find many sources, which is good because you are trying to prove that this is a topic that needs more research. But, it is not enough to say that you found few or no articles on your topic in your field. You need to look broadly to other disciplines (also known as triangulation ) to see if your research topic has been studied from other perspectives as a way to validate the uniqueness of your research question.

► Are you working on something that has been studied extensively? Then you are going to find many sources and you will want to limit how far back you want to look. Use limiters to eliminate research that may be dated and opt to search for resources published within the last 5-10 years.

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• Last Updated: Sep 21, 2022 2:16 PM
• URL: https://guides.lib.uconn.edu/literaturereview

Module 5: Writing About Literature

Finding and evaluating research sources, introduction.

In order to create rhetorically effective and engaging pieces, research writers must be able to find appropriate and diverse sources and to evaluate those sources for usefulness and credibility. This chapter discusses how to locate such sources and how to evaluate them. On the one hand, this is a chapter about the nuts and bolts of research. If you have written research papers before, searching for sources and citing them in your paper may, at times, have appeared to you as purely mechanical processes, chores necessary to produce a paper. On the other hand, when writers work with research sources, first finding and then evaluating them, they do rhetorical work. Finding good sources and using them effectively helps you to create a message and a persona that your readers are more likely to accept, believe, and be interested in than if unsuitable and unreliable sources are used. This chapter covers the various kinds of research sources available to writers. It discusses how to find, evaluate, and use primary and secondary sources, printed and online ones.

Types of Research Sources

It is a well-known cliché: we live in an information age. Information has become a tangible commodity capable of creating and destroying wealth, influencing public opinion and government policies, and effecting social change. As writers and citizens, we have unprecedented access to different kinds of information from different sources. Writers who hope to influence their audiences need to know what research sources are available, where to find them, and how to use them.

Primary and Secondary Sources

Definition of primary sources.

Let us begin with the definition of primary and secondary sources. A primary research sources is one that allows you to learn about your subject “firsthand.” Primary sources provide direct evidence about the topic under investigation. They offer us “direct access” to the events or phenomena we are studying. For example, if you are researching the history of World War II and decide to study soldiers’ letters home or maps of battlefields, you are working with primary sources. Similarly, if you are studying the history of your hometown in a local archive that contains documents pertaining to that history, you are engaging in primary research. Among other primary sources and methods are interviews, surveys, polls, observations, and other similar “firsthand” investigative techniques. The fact that primary sources allow us “direct access” to the topic does not mean that they offer an objective and unbiased view of it. It is therefore important to consider primary sources critically and, if possible, gather multiple perspectives on the same event, time period, or questions from multiple primary sources.

Definition of Secondary Sources

Secondary sources describe, discuss, and analyze research obtained from primary sources or from other secondary sources. Using the previous example about World War II, if you read other historians’ accounts of it, government documents, maps, and other written documents, you are engaging in secondary research. Some types of secondary sources with which you are likely to work include books, academic journals, popular magazines and newspapers, websites, and other electronic sources. The same source can be both primary and secondary, depending on the nature and purpose of the project. For example, if you study a culture or group of people by examining texts they produce, you are engaging in primary research. On the other hand, if that same group published a text analyzing some external event, person, or issue and if your focus is not on the text’s authors but on their analysis, you would be doing secondary research. Secondary sources often contain descriptions and analyses of primary sources. Therefore, accounts, descriptions, and interpretations of research subjects found in secondary sources are at least one step further removed from what can be found in primary sources about the same subject. And while primary sources do not give us a completely objective view of reality, secondary sources inevitably add an extra layer of opinion and interpretation to the views and ideas found in primary sources. All texts are rhetorical creations, and writers make choices about what to include and what to omit. As researchers, we need to understand that and not rely on either primary or secondary sources blindly.

Writing Activity: Examining the Same Topic through Primary and Secondary Sources

Primary and secondary sources can offer writers different views of the same topic. This activity invites you to explore the different perspectives that you may get after investigating the same subject through primary and secondary sources. It should help us see how our views of different topics depend on the kinds of sources we use. Find several primary sources on a topic that interests you. Include archival documents, first- hand accounts, lab experiment results, interviews, surveys, and so on. Depending on how much time you have for this project, you may or may not be able to consult all of the above source types. In either case, try to consult sources of three or four different kinds. Next, write a summary of what you learned about your subject as a result of your primary-source investigation. Mention facts, dates, important people, opinions, theories, and anything that seems important or interesting. Now, conduct a brief secondary-source search on the same subject. Use books, journals, popular magazines and newspapers, Internet sites, and so on. Write a summary of your findings. Finally, compare the two summaries. What differences do you see? What new ideas, perspectives, ideas, or opinions did your secondary-source search yield? As a result of these two searches, have you obtained different accounts of the same research subject? Pay special attention to the differences in descriptions, accounts, or interpretations of the same subject. Notice what secondary sources add to the treatment of the subject and what they take away, compared to the primary sources.

Print and Electronic Sources

Researcher have at their disposal both printed and electronic sources. Before the advent of the Internet, most research papers were written with the use of printed sources only. Until fairly recently, one of the main stated goals of research writing instruction was to give students practice in the use of the library. Libraries are venerable institutions, and therefore printed sources have traditionally been seen (with good reason, usually,) as more solid and reliable than those found on the Internet. With the growing popularity of the Internet and other computerized means of storing and communicating information, traditional libraries faced serious competition for clients. It has become impractical if not impossible for researchers to ignore the massive amount of information available to them on the Internet or from other online sources. As a result, it is not uncommon for many writers beginning a research project to begin searching online rather than at a library or a local archive. For example, several times in the process of writing this essay, when I found myself in need of information fast, I opened my Web browser and researched online. With the popularity of the Internet ever increasing, it has become common practice for many student writers to limit themselves to online research and to ignore the library. While there are some cases when a modified version of such an approach to searching may be justifiable (more about that later), it is clear that by using only online research sources, a writer severely limits his or her options. This section covers three areas. First, we will discuss the various types of printed and online sources as well the main similarities and differences between them. Next, I’d like to offer some suggestions on using your library effectively and creatively. Finally, we will examine the topic of conducting online searches, including methods of evaluating information found on the Internet.

Know Your Library

It is likely that your college or university library consists of two parts. One is the brick and mortar building, often at a central location on campus, where you can go to look for books, magazines, newspapers, and other publications. The other part is online. Most good libraries keep a collection of online research databases that are supported, at least in part, by your tuition and fees, and to which only people who are affiliated with the college or the university that subscribes to these databases have access. Let us begin with the brick and mortar library. If you have not yet been to your campus library, visit it soon. Larger colleges and universities usually have several libraries that may specialize in different academic disciplines. As you enter the library, you are likely to find a circulation desk (place where you can check out materials) and a reference desk. Behind the reference desk you will find reference librarians. Instead of wandering around the library alone, hoping to hit the research sources that you need for your project, it is a good idea to talk to a reference librarian at the beginning of every research project, especially if you are at a loss for a topic or research materials. Your brick and mortar campus library is likely to house the following types of materials:

• Books (these include encyclopedias, dictionaries, indexes, and so on)
• Academic Journals
• Popular magazines
• Government documents
• A music and film collection (on CDs, VHS tapes, and DVDs)
• A CD-Rom collection
• A microfilm and microfiche collection
• Special collections, such as ancient manuscripts or documents related to local history and culture.

According to librarian Linda M. Miller, researchers need to “gather relevant information about a topic or research question thoroughly and efficiently. To be thorough, it helps to be familiar with the kinds of resources that the library holds, and the services it provides to enable access to the holdings of other libraries” (2001, 61). Miller’s idea is a simple one, yet it is amazing how many inexperienced writers prefer to use the first book or journal they come across in the library as the basis for their writing and do not take the time to learn what the library has to offer. Here are some practical steps that will help you learn about your library:

Take a tour of the library with your class or other groups if such tours are available. While such group tours are generally less effective than conducting your own searches of a topic that interests you, they will give you a good introduction to the library and, perhaps, give you a chance to talk to a librarian.

Check your library’s website to see if online “virtual” tours are available. At James Madison University where I work, the librarians have developed a series of interactive online activities and quizzes which anyone wishing to learn about the JMU libraries can take in their spare time.

Talk to reference librarians! They are truly your best source of information. They will not get mad at you if you ask them too many questions. Not only are they paid to answer your questions, but most librarians love what they do and are eager to share their expertise with others.

Go from floor to floor and browse the shelves. Learn where different kinds of materials are located and what they look like.

Pay attention to the particulars of your campus library’s architecture. I am an experienced library user, but it look me some time, after I arrived at my university for the first time, to figure out that our library building has an annex that can only be accessed by taking a different elevator from the one leading to the main floors.

Use the library not only as a source of knowledge but as a source of entertainment and diversion. I like going to the library to browse through new fiction acquisitions. Many campus libraries also have excellent film and music collections.

The items on the list above will help you to acquire a general understanding of your campus library. However, the only way to gain an in-depth and meaningful knowledge of your library is to use it for specific research and writing projects. No matter how attentive you are during a library tour or while going from floor to floor and learning about all the different resources your library has to offer, it is during searchers that you conduct for your research projects that you will become most interested and involved in what you are doing. Here, therefore, is an activity that combines the immediate goal of finding research sources for a research project with the more long-term goal of knowing what your campus library has to offer.

Activity: Conducting a Library Search for a Writing Project

If you have a research and writing topic in mind for your next project, head for your brick-and-mortar campus library. As soon as you enter the building, go straight to the reference desk and talk to a reference librarian. Be aware that some of the people behind the reference desk may be student assistants working there. As a former librarian assistant myself and as a current library user, I know that most student assistants know their job rather well, but sometimes they need help from the professionals. So, don’t be surprised if the first person you approach refers you to someone else. Describe your research interests to the librarian. Be proactive. The worst disservice you can do yourself at this point is to look, sound, and act disinterested. Remember that the librarian can be most helpful if you are passionate about the subject of your research and if—this is very important—the paper you are writing is not due the next day. So, before you go to the library, try to narrow your topic or formulate some specific research questions. For example, instead of saying that you are interested in dolphins, you might explain that you are looking for information about people who train dolphins to be rescue animals. If the librarian senses that you have a rather vague idea about what to research and write about, he or she may point you to general reference sources such as indexes, encyclopedias, and research guides. While those may prove to be excellent thought-triggering publications, use them judiciously and don’t choose the first research topic you find just because your library has a lot of resources on it. After all, your research and writing will be successful only when you are deeply interested in and committed to your investigation. If you have a more definite idea about what you would like to research and write about, the reference librarian will likely point you to the library’s online catalog. I have often seen librarians working alongside students to help them identify or refine a writing topic. Find several different types of materials pertaining to your topic. Include books and academic articles. Don’t forget popular magazines and newspapers—the popular press covers just about any subject, event, or phenomena, and such articles may bring a unique perspective not found in academic sources. Also, don’t neglect to look in the government documents section to see if there has been any legislation or government regulation relevant to your research subject. Remember that at this stage your goal is to learn as much as you can about your topic by casting your research net as far and wide as you can. So, do not limit yourself to the first few sources you will find. Keep looking, and remember that your goal is to find the best information available. You will probably have to look in a variety of sources. If you are pressed for time you may not be able to study the books dedicated to your topic in detail. In this case, you may decide to focus your research entirely on shorter texts, such as journal and magazine articles, websites, government documents, and so on. However it is always a good idea to at least browse through the books on your topic to see whether they contain any information or leads worth investigating further.

Cyber Library

Besides the brick and mortar buildings, nearly all college and university libraries have a Web space that is a gateway to more documents, resources, and information than any library building can house. From your library’s website, you can not only search the library’s holdings but also access millions of articles, electronic books, and other resources available on the Internet. It is a good idea to conduct a search from your campus library page rather than from your favorite search engine. There are three reasons for that. First, most of the materials you will find through your library site are accessible to paying subscribers only and cannot be found via any search engine. Second, online library searches return organized and categorized results, complete with the date of publication and source—something that cannot be said about popular search engines. Finally, by searching online library databases you can be reasonably sure that the information you retrieve is reliable.

So, what might you expect to find on your library’s website? The site of the library at James Madison University where I work offers several links. In addition to the link to the library catalog, there is a Quick Reference link, a link called Research Databases, a Periodical Locator, Research Guides, and Internet Search. There are also links to special collections and to the featured or new electronic databases to which the library has recently subscribed. While your school library may use other names for these links, the kinds of resources they offer will be similar to what JMU’s library has to offer. Most of these links are self-explanatory. Obviously, the link to the library catalog allows you to search your brick and mortar library’s collection. A periodical locator search will tell you what academic journals, popular magazines, and newspapers are available at your library. The Internet search option will allow you to search the World Wide Web, except that your library’s Internet searching function will probably allow you to conduct meta-searches—i.e., searches using many search engines simultaneously. Where a link like Research Databases or Research Guides will take you is a little less obvious. Therefore I will cover these two types of library resources in some detail. Let us start with the research databases. An average-size college or university subscribes to hundreds, if not thousands, of online databases on just about every subject. These databases contain, at a minimum, information about titles, authors, and sources of relevant newspaper and journal articles, government documents, online archive materials, and other research sources. Most databases provide readers with abstracts (short summaries) of those materials, and a growing number of online databases offer full texts of articles. From the research-database home page, it is possible to search for a specific database or by subject. Research-guide websites are similar to the database home pages, except that, in addition to database links, they often offer direct connections to academic journals and other relevant online resources on the research subject. Searching online is a skill that can only be learned through frequent practice and critical reflection. Therefore, in order to become a proficient user of your library’s electronic resources, you will need to visit the library’s website often and conduct many searches. Although most library websites are organized according to similar principles and offer similar types of resources, it will be up to you as a researcher and learner to find out what your school library has to offer and to learn to use those resources. I hope that the following activities will help you in that process.

Activity: Exploring your Cyber Library

Go to your school library’s website and explore the kinds of resources it has to offer.

Conduct searches on a subject you are currently investigating or interested in investigating in the future, using the a periodical locator resource (if your library has one). Then, conduct similar searches of electronic databases and research guides.

Summarize, whether in an oral presentation or in writing, your search process and the kinds of sources you have found. Pay attention to particular successes and failures that occurred as you searched.

Print Sources or Electronic?

In the early years of the Internet, there was widespread mistrust of the World Wide Web and the information it had to offer. While some of this mistrust is still present (and justifiable), the undeniable fact is that the authority of the Internet as a legitimate and reliable source of information has increased considerably in recent years. For example, academic journals in almost every discipline complement their printed volumes with Web versions, and some are now only available online. These online journals employ the same rigorous submission review processes as their printed counterparts. Complete texts of academic and other books are sometimes available on the Internet. Respected specialized databases and government document collections are published entirely and exclusively online. Print and electronic sources are not created equal, and although online and other electronic texts are gaining ground as legitimate research resources, there is still a widespread and often justified opinion among academics and other writers that printed materials make better research sources. Some materials available in some libraries simply cannot be found online and vice versa. For example, if you are a Shakespeare scholar wishing to examine manuscripts from the Elizabethan times, you will not find them online. To get to them, you will have to visit the Folger Shakespeare Library in Washington, DC, or a similar repository of Elizabethan manuscripts. On the other hand, if you are researching the Creative Commons movement, which is a community dedicated to reforming copyright laws in this country, then your best bet is to begin your search on the Internet at http://www.creativecommons.org/. Surely, after reading the website, you will need to augment your research by reading other related materials, both online and in print, but in this case, starting online rather than in the library is a reasonable idea. As a researching writer, you should realize that printed and electronic sources are not inherently bad or good. Either type can be reliable or unreliable; either can be appropriate or inappropriate for a specific research project. It is up to researchers and writers to learn how to select both print and electronic sources judiciously and how to evaluate them for their reliability and appropriateness for particular purposes.

Determining the Suitability and Reliability of Research Sources

Much of the discussion about the relative value of printed and electronic—especially Internet—sources revolves around the issue of reliability. When it comes to libraries, the issue is more or less clear. Libraries keep books, journals, ands other publications that usually undergo a rigorous pre- and post-publication review process. It is reasonable to assume that your campus library contains very few or no materials that are blatantly unreliable or false, unless those materials are kept there precisely to demonstrate their unreliability and falsehood. As a faculty member, I am sometimes asked by my university librarians to recommend titles in my academic field that our university library should own. Of course my opinion (or that of another faculty member) does not completely safeguard against the library acquiring materials that contain errors and or misleading information; we use our experience and knowledge in the field to recommend certain titles and omit certain others. Faculty recommendations are the last stage of long process before a publication gets to a campus library. Before that, every book, journal article, or other material undergoes a stringent review from the publisher’s editors and other readers. And while researchers still need to use sound judgment in deciding which library sources to use in their project, the issue is usually one of relevance and suitability for a specific research project and specific research questions rather than one of whether the information presented in the source is truthful or not. The same is true of some electronic sources. Databases and other research sources published on CD-ROMs, as well as various online research websites that accompany many contemporary writing textbooks, for example, are subject to the same strict review process as their printed counterparts. Information contained in specialized academic and professional databases is also screened for reliability and accuracy. If, as we have established, most of the materials you are likely to encounter in your campus library are generally trustworthy, then your task as a researcher is to determine the relevance of the information contained in books, journals, and other materials for your particular research project. It is a simple question, really: will my research sources help me answer the research questions that I am posing in my project? Will they help me learn as much as I can about my topic and create a rhetorically effective and interesting text for my readers? Consider the following example. Recently, the topic of the connection between certain antidepressant drugs and suicidal tendencies among teenagers who take those drugs has received a lot of media coverage. Suppose you are interested in researching this topic further. Suppose, too, that you want not only to give statistical information about the problem in your paper but also to study firsthand accounts of the people who have been negatively affected by the antidepressants. When you come to your campus library, you have no trouble locating the latest reports and studies that give you a general overview of your topic, including rates of suicidal behavior in teenagers who took the drugs, tabulated data on the exact relationships between the dosage of the drugs and the changes in the patients’ moods, and so on. All this may be useful information, and there is a good chance that, as a writer, you will still find a way to use it in your paper. You could, for example, provide the summary of the statistics in order to introduce the topic to your readers. However, this information does not fulfill your research purpose completely. You want to understand what it is like to be a teenager whose body and mind have been affected by the antidepressants, yet the printed materials you have found so far offer no such insight. They fulfill your goal only partially. To find such firsthand accounts, then, you will either have to keep looking in the library or conduct interviews with people who have been affected by these drugs.

Suitability of Sources

Determine how suitable a particular source is for your current research project. To do this, consider the following factors:

• Scope: What topics and subtopics does the source cover? Is it a general overview of your subject or it is a specialized resource?
• Audience: Who is the intended audience for the text? If the text itself is too basic or too specialized, it may not match the expectations and needs of your own target audience.
• Timeliness: When was the source published? Does it represent the latest information, theories, and views? Bear in mind, though, that if you are conducting a historical investigation, you will probably need to consult older materials, too.

What are credentials of the author(s)? This may be particularly important when you use Internet sources, since there are so few barriers to publishing online. One needn’t have an academic degree or credentials to make one’s writing publicly available. As part of your evaluation of the source’s authority, you should also pay attention to the kinds of external sources that were used during its creation. Look through the bibliography or list of works cited attached to the text. Not only will it help you determine how reliable and suitable the source is, but it may also provide you with further leads for your own research. Try asking the above questions of any source you are using for a research project you are currently conducting.

Reliability of Internet Sources

Charles Lowe, the author of the essay “The Internet Can Be a Wonderful Place, but . . .” offers the following opinion of the importance of the Internet as a research source for contemporary researchers:

To a generation raised in the electronic media culture, the Internet is an environment where you feel more comfortable, more at home than the antiquated libraries and research arenas of the pre-electronic, print culture. To you, instructors just don’t get it when they advise against using the Internet for research or require the bulk of the sources for a research paper to come from the library (129-130).

Indeed, the Internet has become the main source of information not only for college students, but also for many people outside academia. And while I do not advise you to stay away from the Internet when researching and I generally do not require my own students to use only printed sources, I do know that working with Internet sources places additional demands on the researcher and the writer. Because much of the Internet is a democratic, open space, and because anyone with a computer can post materials online, evaluating online sources is not always easy. A surprisingly large number of people believe much of the information on the Internet, even if this information is blatantly misleading or its authors have a self-serving agenda. I think many students uncritically accept information they find on the Internet because some of the sites on which this information appears look and sound very authoritative. Used to believing the published word, inexperienced writers often fall for such information as legitimate research data. So, what are some of strategies you can use to determine that reliability? The key to successful evaluation of Internet research sources, as any other research sources, is application of your critical reading and thinking skills. In order to determine the reliability of any source, including online sources, it is advisable to conduct a basic rhetorical analysis of that source. When deciding whether to use a particular website as a research source, every writer should ask and answer the following questions:

• Who is the author (or, authors) of the website and the materials presented on it? What is known about the site’s author(s) and its publishers and their agendas and goals?
• What is the purpose of the website?
• Who is the target audience of the website
• How do the writing style and the design of the website contribute to (or detract from) its meaning?

Website Authors and Publishers

As with a printed source, first we need to consider the author and the publisher of a website. Lowe suggests that we start by looking at the tag in the website’s URL. Whether it is a “.com,” an “.org,” a “.net, “or an “.edu” site can offer useful clues about the types and credibility of materials located on the site. In addition to the three most common URL tags listed above, websites of military organizations use the extension “.mil” while websites hosted in other countries have other tags that are usually abbreviations of those countries’ names. Sites of government agencies end in “.gov.” For example, most sites hosted in Great Britain have the tag “.uk,” which stands for “United Kingdom.” Websites based in Italy usually have the tag “.it,” and so on. Typically, a “.com” site is set up to sell or promote a product or service. Therefore, if you are researching Nike shoes, you will probably  not want to rely on http://www.nike.com/ if you want to get a more objective review of the product. While Nike’s website may provide some useful information about the products it sells, the site’s main purpose is to sell Nike’s goods, playing up the advantages of their products. Keep in mind that not all “.com” websites try to sell something. Sometimes academics and other professionals obtain “.com” addresses because they are easy to obtain. For example, the professional website of Charles Lowe (cited above) is located at  http://www.cyberdash.com/ . Political candidates running for office often also choose “.com” addresses for their campaign websites. In every case, you need to apply your critical reading skills and your judgment when evaluating a website. The “.org” sites usually belong to organizations, including political groups. These sites can present some specific challenges to researchers trying to evaluate their credibility and usefulness. To understand these challenges, let us consider the “.org” sites of two political research organizations, also known as “think tanks.” One is the conservative Heritage Foundation (http://www.heritage.org), and the other is the traditionally liberal Center for National Policy (http://www.cnponline.org). Both sites have “About” pages intended to explain to their readers the goals and purposes of the organizations they represent. The Heritage Foundation’s site contains the following information:

 . . . The Heritage Foundation is a research and educational institute—a think tank—whose mission is to formulate and promote conservative public policies based on the principles of free enterprise, limited government, individual freedom, traditional American values, and a strong national defense. (http://www.heritage.org/about)

This statement can tell a researcher a lot about the research articles and other materials contained in the site. It tells us that the authors of the site are not neutral, nor do they pretend to be. Instead, they are advancing a particular political agenda, so, when used as research sources, the writings on the site should not be seen as unbiased “truths” but as arguments. The same is true of the Center for National Policy’s website, although its authors use a different rhetorical strategy to explain their political commitments. They write:

The Center for National Policy (CNP) is a nonprofit, nonpartisan public policy organization located in Washington, DC. Founded in 1981, the center’s mission is to engage national leaders with new policy options and innovative programs designed to advance progressive ideas in the interest of all Americans (http://www.cnponline.org/people_and_programs.html)

It takes further study of the center’s website, as well as sure knowledge of the American political scene, to realize that the organization leans toward the left of the political spectrum. The websites of both organizations contain an impressive amount of research, commentary, and other materials designed to advance the groups’ causes. When evaluating “.org” sites, it is important to realize that they belong to organizations, and each organization has a purpose or a cause. Therefore, each organizational website will try to advance that cause and fulfill that purpose by publishing appropriate materials. Even if the research and arguments presented on those sites are solid (and they often are), there is no such thing as an unbiased and disinterested source. This is especially true of political and social organizations whose sole purpose is to promote agendas. The Internet addresses ending in “.edu” are rather self-evident—they belong to universities and other educational institutions. On these sites we can expect academic articles and other writings, as well as papers and other works created by students. These websites are also useful resources if you are looking for information on a specific college or university. Be aware, though, that typically any college faculty member or student can obtain Web space from their institution and publish materials of their own choosing there. Thus some of the texts that appear on “.edu” sites may be personal rather than academic. In recent years, some political research organizations have begun to use Web addresses with the “.edu” tag. One of these organizations is The Brookings Institution, whose address is http://www.brookings.edu. Government websites that end in “.gov” can be useful sources of information on the latest legislation and other regulatory documents. The website with a “.net” extension can belong to commercial organizations or online forums.

Website Content

Now that we have established principles for evaluating the authors and publishers of Web materials, let us look at the content of the writing. As I have stated above, like all writing, Web writing is argumentative; therefore it is important to recognize that authors of Web texts work to promote their agendas or highlight the events, organizations, and opinions that they consider right, important, and worthy of public attention. Different writers work from different assumptions and try to reach different audiences. Websites of political organizations are prime examples of that.

Activity: Evaluating Website Content

Go to one of the following websites: The Heritage Foundation (http://www.heritage.org), The Center for National Policy (http://www.cnponline.org), The Brookings Institution (http://www.brookings.edu), or The American Enterprise Institute (http://www.aei.org). Or choose another website suggested by your instructor. Browse through the site’s content and consider the following questions:

• What is the purpose of the site?
• What is its intended audience? How do we know?
• What are the main subjects discussed on the sites?
• What assumptions and biases do the authors of the publications on the site seem to have? How do we know?
• What research methods and sources do the authors of these materials use? How does research help the writers of the site state their case?

Apply the same analysis to any online sources you are using for one of your research projects.

Website Design and Style

The style and layout of any text is a part of that text’s message, and online research sources are no exception. Well-designed and written websites add to the ethos (credibility) of their authors while badly designed and poorly written ones detract from it. Sometimes, however, a website with a good-looking design can turn out to be an unreliable or unsuitable research source.

In Place of a Conclusion: Do Not Accept A Source Just Because It Sounds or Looks Authoritative

Good writers try to create authoritative texts. Having authority in their writing helps them advance their arguments and influence their audiences. To establish such authority, writers use a variety of methods. As has been discussed throughout this essay, it is important for any researcher to recognize authoritative and credible research sources. On the other hand, it is also important  not to accept authoritative sources without questioning them. After all, the purpose of every researched piece of writing is to create new views and new theories on the subject, not to repeat the old ones, however good and well presented those old theories may be. Therefore, when working with reliable and suitable research sources, consider them solid foundations that will help you to achieve a new understanding of your subject, which will be your own. Applying the critical source-evaluation techniques discussed in this essay will help you to accomplish this goal.

• Finding and Evaluating Research Sources. Authored by : Pavel Zemliansky. Located at : http://www.saylor.org/site/wp-content/uploads/2011/01/ENGL002-Chapter-4-Research-Writing.pdf . License : CC BY-NC-SA: Attribution-NonCommercial-ShareAlike

• Subject guides
• Researching for your literature review
• Literature sources

Researching for your literature review: Literature sources

• Literature reviews
• Before you start
• Develop a search strategy
• Keyword search activity
• Subject search activity
• Combined keyword and subject searching
• Online tutorials
• Apply search limits
• Run a search in different databases
• Supplementary searching
• Save your searches
• Manage results

Scholarly databases

It's important to make a considered decision as to where to search for your review of the literature. It's uncommon for a disciplinary area to be covered by a single publisher, so searching a single publisher platform or database is unlikely to give you sufficient coverage of studies for a review. A good quality literature review involves searching a number of databases individually.

The most common method is to search a combination of large inter-disciplinary databases such as Scopus & Web of Science Core Collection, and some subject-specific databases (such as PsycInfo or EconLit etc.). The Library databases are an excellent place to start for sources of peer-reviewed journal articles.

Depending on disciplinary expectations, or the topic of our review, you may also need to consider sources or search methods other than database searching. There is general information below on searching grey literature. However, due to the wide varieties of grey literature available, you may need to spend some time investigating sources relevant for your specific need.

Grey literature

Grey literature is information which has been produced outside of traditional publishing channels (where the main purpose of the producing body is not commercial publishing). One example may be Government publications.

Grey literature may be included in a literature review to minimise publication bias . The quality of grey literature can vary greatly - some may be reviewed whereas some may not have been through a traditional editorial process.

See the Grey Literature guide for further information on finding and evaluating grey sources.

In certain disciplines (such as physics) there can be a culture of preprints being made available prior to submissions to journals. There has also been a noticeable rise in preprints in medical and health areas in the wake of Covid-19.

If preprints are relevant for you, you can search preprint servers directly. Another option is to utilise a search engine such as Google Scholar to search specifically for preprints, as Google Scholar has timely coverage of most preprint servers including ArXiv, RePec, SSRN, BioRxiv, and MedRxiv.

Articles in Press are not preprints, but are accepted manuscripts that are not yet formally published. Articles in Press have been made available as an early access online version of a paper that may not yet have received its final formatting or an allocation of a volume/issue number. As well as being available on a journal's website, Articles in Press are available in databases such as Scopus and Web of Science, and so (unlike preprints) don't necessarily require a separate search.

Conference papers

Conference papers are typically published in conference proceedings (the collection of papers presented at a conference), and may be found on an organisation or Society's website, as a journal, or as a special issue of journal.

In certain disciplines (such as computer science), conference papers may be highly regarded as a form of scholarly communication; the conferences are highly selective, the papers are generally peer reviewed, and papers are published in proceedings affiliated with high-quality publishing houses.

Conference papers may be indexed in a range of scholarly databases. If you only want to see conference papers, database limits can be used to filter results, or try a specific index such as the examples below:

• Conference proceedings citation index. Social science & humanities (CPCI-SSH)
• Conference proceedings citation index. Science (CPCI-S)
• ASME digital library conference proceedings

Honours students and postgraduates may request an Interlibrary Loan of a conference paper. However, conference paper requests may take longer than traditional article requests as they can be difficult to locate; they may have been only supplied to attendees or not formally published. Sometimes only the abstract is available.

If you are specifically looking for statistical data, try searching for the keyword statistics in a Google Advanced Search and limiting by a relevant site or domain. Below are some examples of sites, or you can try a domain such as .gov for government websites.

Statistical data can be found in the following selected sources:

• Australian Bureau of Statistics
• World Health Organization: Health Data and statistics
• Higher Education Statistics
• UNESCO Institute for Statistics
• Tourism Australia Statistics

For a list of databases that include statistics see: Databases by Subject: Statistics .

If you are specifically looking for information found in newspapers, the library has a large collection of Australian and overseas newspapers, both current and historical.

To search the full-text of newspapers in electronic format use a database such as  Newsbank.

Alternatively, see the Newspapers subject guide for comprehensive information on newspaper sources available via Monash University library and open source databases, as well as searching tips, online videos and more.

Dissertations and theses

The Monash University Library Theses subject guide provides resources and guidelines for locating and accessing theses (dissertations) produced by Monash University as well as other universities in Australia and internationally.  

International theses:

There are a number of theses databases and repositories.

A popular source is:

• ProQuest Dissertations & Theses Global  which predominantly, covers North American masters and doctoral theses. Full text is available for theses added since 1997. 

Australia and New Zealand theses:

Theses that are available in the library can be found using the  Search catalogue.

These include:

• Monash doctoral, masters and a small number of honours theses 
• other Australian and overseas theses that have been purchased for the collection.

Formats include print (not available for loan), microfiche and online (some may have access restrictions).

Trove includes doctoral, masters and some honours theses from all Australian and New Zealand universities, as well as theses awarded elsewhere but held by Australian institutions.

Tips:  

• Type in the title, author surname and/or keywords. Then on the results page refine your search to 'thesis'.
• Alternatively, use the Advanced search and include 'thesis' as a keyword or limi t your result to format = thesis
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• How to Write a Literature Review | Guide, Examples, & Templates

How to Write a Literature Review | Guide, Examples, & Templates

Published on January 2, 2023 by Shona McCombes . Revised on September 11, 2023.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research that you can later apply to your paper, thesis, or dissertation topic .

There are five key steps to writing a literature review:

• Search for relevant literature
• Evaluate sources
• Identify themes, debates, and gaps
• Outline the structure
• Write your literature review

A good literature review doesn’t just summarize sources—it analyzes, synthesizes , and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

What is the purpose of a literature review, examples of literature reviews, step 1 – search for relevant literature, step 2 – evaluate and select sources, step 3 – identify themes, debates, and gaps, step 4 – outline your literature review’s structure, step 5 – write your literature review, free lecture slides, other interesting articles, frequently asked questions, introduction.

• Quick Run-through
• Step 1 & 2

When you write a thesis , dissertation , or research paper , you will likely have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and its scholarly context
• Develop a theoretical framework and methodology for your research
• Position your work in relation to other researchers and theorists
• Show how your research addresses a gap or contributes to a debate
• Evaluate the current state of research and demonstrate your knowledge of the scholarly debates around your topic.

Writing literature reviews is a particularly important skill if you want to apply for graduate school or pursue a career in research. We’ve written a step-by-step guide that you can follow below.

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See an example

Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research problem and questions .

Make a list of keywords

Start by creating a list of keywords related to your research question. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list as you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some useful databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can also use boolean operators to help narrow down your search.

Make sure to read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

You likely won’t be able to read absolutely everything that has been written on your topic, so it will be necessary to evaluate which sources are most relevant to your research question.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models, and methods?
• Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible , and make sure you read any landmark studies and major theories in your field of research.

You can use our template to summarize and evaluate sources you’re thinking about using. Click on either button below to download.

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It is important to keep track of your sources with citations to avoid plagiarism . It can be helpful to make an annotated bibliography , where you compile full citation information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

Prevent plagiarism. Run a free check.

To begin organizing your literature review’s argument and structure, be sure you understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly visual platforms like Instagram and Snapchat—this is a gap that you could address in your own research.

There are various approaches to organizing the body of a literature review. Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarizing sources in order.

Try to analyze patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organize your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text , your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, you can follow these tips:

• 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 sentences to draw connections, comparisons and contrasts

In the conclusion, you should summarize the key findings you have taken from the literature and emphasize their significance.

When you’ve finished writing and revising your literature review, don’t forget to proofread thoroughly before submitting. Not a language expert? Check out Scribbr’s professional proofreading services !

This article has been adapted into lecture slides that you can use to teach your students about writing a literature review.

Scribbr slides are free to use, customize, and distribute for educational purposes.

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If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

• Sampling methods
• Simple random sampling
• Stratified sampling
• Cluster sampling
• Likert scales
• Reproducibility

 Statistics

• Null hypothesis
• Statistical power
• Probability distribution
• Effect size
• Poisson distribution

Research bias

• Optimism bias
• Cognitive bias
• Implicit bias
• Hawthorne effect
• Anchoring bias
• Explicit bias

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a thesis, dissertation , or research paper , in order to situate your work in relation to existing knowledge.

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarize yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your thesis or dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

A literature review is a survey of credible sources on a topic, often used in dissertations , theses, and research papers . Literature reviews give an overview of knowledge on a subject, helping you identify relevant theories and methods, as well as gaps in existing research. Literature reviews are set up similarly to other  academic texts , with an introduction , a main body, and a conclusion .

An  annotated bibliography is a list of  source references that has a short description (called an annotation ) for each of the sources. It is often assigned as part of the research process for a  paper .  

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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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• Last Updated: Aug 27, 2024 1:14 PM
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Local-Related Studies and Literature 2024 Research Database

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When studying local culture, history, or social issues, use these reliable sites for valuable resources in local-related studies and literature.

The list below includes websites and research platforms focused on local studies and literature, offering useful resources for your research and learning.

Table of Contents

Tuklas discovery service:.

Description: A unified search platform integrating the library’s local databases of books and electronic materials.

Short Summary: Provides a comprehensive search tool for accessing various local academic resources.

Example: Searching for “Filipino literature” to find relevant books and articles.

URL: https://tuklas.up.edu.ph/

Steps: Use the search bar to enter keywords such as “Filipino literature,” then refine your search using available filters

Philippine E-Journal

Description: An online collection of academic publications from higher education institutions and professional organizations.

Short Summary: Facilitates access to abstracts, full journal articles, and related research in various academic fields.

Example: Looking for articles on “Philippine economic development.”

URL: https://ejournals.ph/

Steps: Enter keywords like “Philippine economic development” in the search bar, and use filters to narrow down results to specific journals or years.

Plaridel Journal

Description: Publishes research at the intersection of media, culture, and society.

Short Summary: Offers insights through research articles, case studies, and reviews on media and communication issues.

Example: Finding studies on “media influence on Filipino youth.”

URL: http://www.plarideljournal.org/

Steps: Search for terms such as “media influence on Filipino youth” and browse the articles listed.

Philippine Journal of Linguistics

Description: A peer-reviewed journal dedicated to linguistics and language studies in the Philippines and Southeast Asia.

Short Summary: Features research on language, linguistics, and linguistic diversity.

Example: Researching “language preservation in Southeast Asia.”

URL: https://www.pjl-phil.com/

Steps: Enter search terms like “language preservation” and use filters to find relevant articles.

Description: Central Philippine University’s digital repository for scholarly works and academic materials.

Short Summary: Provides access to academic research and materials produced by the university’s community.

Example: Accessing theses on “urban planning in the Philippines.”

URL: https://repository.cpu.edu.ph/

Steps: Search for “urban planning” and browse through the available theses and dissertations.

Philippine Social Science Journal (PSSJ)

Description: An open-access, peer-reviewed journal covering a broad range of social science disciplines.

Short Summary: Offers original research in fields like anthropology, sociology, and political science.

Example: Finding papers on “socioeconomic impacts of tourism.”

URL: https://philssj.org/index.php/main

Steps: Search for “socioeconomic impacts of tourism” and filter results by publication type or date.

Daluyan: Journal ng Wikang Filipino

Description: A refereed journal in Filipino focused on language, literature, and Filipino culture.

Short Summary: Enhances academic discourse on Filipino language and cultural studies.

Example: Locating articles on “Filipino folklore studies.”

URL: https://journals.upd.edu.ph/index.php/djwf

Steps: Search for “Filipino folklore” and review the articles available in the journal.

Iskomunidad

Description: A wiki platform by the University of the Philippines Diliman for academic and community-related content.

Short Summary: Centralizes articles, theses, and information relevant to the UP community.

Example: Finding information on “UP Diliman campus events.”

URL: https://iskomunidad.upd.edu.ph/

Steps: Use the search function to look up “campus events” and explore the related articles and entries.

Final Thoughts:

When exploring Sites for Local-Related Studies and Literature, tapping into these diverse and comprehensive platforms can significantly deepen your understanding and research quality.

Each site presents distinct advantages, whether you’re looking for peer-reviewed journals, academic theses, open-access articles, or classic literary works relevant to Philippine studies.

Additionally, while these platforms focus on providing access to local studies and literature, you can explore information on scholarship programs available on our website to support your academic journey and Review of Related Literature (RRL) .

Utilize these resources to gather valuable references and discover funding options that can further enhance your studies in local-related fields.

Arvie Montesor

Hey there! I’m Arvie Montesor, part of the PhilScholar team. I’m all about helping writers and exploring cool tech stuff. I got into writing back in school, and now I’m here, diving into different topics and sharing what I learn. At PhilScholar, I write about writing tips, cool tools, and how technology is changing education. But that’s not all! I also keep an eye out for scholarship opportunities, because I believe everyone should have a chance to reach their academic goals.

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Chapter 7: Synthesizing Sources

Learning objectives.

At the conclusion of this chapter, you will be able to:

• synthesize key sources connecting them with the research question and topic area.

7.1 Overview of synthesizing

7.1.1 putting the pieces together.

Combining separate elements into a whole is the dictionary definition of synthesis.  It is a way to make connections among and between numerous and varied source materials.  A literature review is not an annotated bibliography, organized by title, author, or date of publication.  Rather, it is grouped by topic to create a whole view of the literature relevant to your research question.

Your synthesis must demonstrate a critical analysis of the papers you collected as well as your ability to integrate the results of your analysis into your own literature review.  Each paper collected should be critically evaluated and weighed for “adequacy, appropriateness, and thoroughness” ( Garrard, 2017 ) before inclusion in your own review.  Papers that do not meet this criteria likely should not be included in your literature review.

Begin the synthesis process by creating a grid, table, or an outline where you will summarize, using common themes you have identified and the sources you have found. The summary grid or outline will help you compare and contrast the themes so you can see the relationships among them as well as areas where you may need to do more searching. Whichever method you choose, this type of organization will help you to both understand the information you find and structure the writing of your review.  Remember, although “the means of summarizing can vary, the key at this point is to make sure you understand what you’ve found and how it relates to your topic and research question” ( Bennard et al., 2014 ).

As you read through the material you gather, look for common themes as they may provide the structure for your literature review.  And, remember, research is an iterative process: it is not unusual to go back and search information sources for more material.

At one extreme, if you are claiming, ‘There are no prior publications on this topic,’ it is more likely that you have not found them yet and may need to broaden your search.  At another extreme, writing a complete literature review can be difficult with a well-trod topic.  Do not cite it all; instead cite what is most relevant.  If that still leaves too much to include, be sure to reference influential sources…as well as high-quality work that clearly connects to the points you make. ( Klingner, Scanlon, & Pressley, 2005 ).

7.2 Creating a summary table

Literature reviews can be organized sequentially or by topic, theme, method, results, theory, or argument.  It’s important to develop categories that are meaningful and relevant to your research question.  Take detailed notes on each article and use a consistent format for capturing all the information each article provides.  These notes and the summary table can be done manually, using note cards.  However, given the amount of information you will be recording, an electronic file created in a word processing or spreadsheet is more manageable. Examples of fields you may want to capture in your notes include:

• Authors’ names
• Article title
• Publication year
• Main purpose of the article
• Methodology or research design
• Participants
• Measurement
• Conclusions

  Other fields that will be useful when you begin to synthesize the sum total of your research:

• Specific details of the article or research that are especially relevant to your study
• Key terms and definitions
• Strengths or weaknesses in research design
• Relationships to other studies
• Possible gaps in the research or literature (for example, many research articles conclude with the statement “more research is needed in this area”)
• Finally, note how closely each article relates to your topic.  You may want to rank these as high, medium, or low relevance.  For papers that you decide not to include, you may want to note your reasoning for exclusion, such as ‘small sample size’, ‘local case study,’ or ‘lacks evidence to support assertion.’

This short video demonstrates how a nursing researcher might create a summary table.

7.2.1 Creating a Summary Table

  Summary tables can be organized by author or by theme, for example:

For a summary table template, see http://blogs.monm.edu/writingatmc/files/2013/04/Synthesis-Matrix-Template.pdf

7.3 Creating a summary outline

An alternate way to organize your articles for synthesis it to create an outline. After you have collected the articles you intend to use (and have put aside the ones you won’t be using), it’s time to identify the conclusions that can be drawn from the articles as a group.

  Based on your review of the collected articles, group them by categories.  You may wish to further organize them by topic and then chronologically or alphabetically by author.  For each topic or subtopic you identified during your critical analysis of the paper, determine what those papers have in common.  Likewise, determine which ones in the group differ.  If there are contradictory findings, you may be able to identify methodological or theoretical differences that could account for the contradiction (for example, differences in population demographics).  Determine what general conclusions you can report about the topic or subtopic as the entire group of studies relate to it.  For example, you may have several studies that agree on outcome, such as ‘hands on learning is best for science in elementary school’ or that ‘continuing education is the best method for updating nursing certification.’ In that case, you may want to organize by methodology used in the studies rather than by outcome.

Organize your outline in a logical order and prepare to write the first draft of your literature review.  That order might be from broad to more specific, or it may be sequential or chronological, going from foundational literature to more current.  Remember, “an effective literature review need not denote the entire historical record, but rather establish the raison d’etre for the current study and in doing so cite that literature distinctly pertinent for theoretical, methodological, or empirical reasons.” ( Milardo, 2015, p. 22 ).

As you organize the summarized documents into a logical structure, you are also appraising and synthesizing complex information from multiple sources.  Your literature review is the result of your research that synthesizes new and old information and creates new knowledge.

7.4 Additional resources:

Literature Reviews: Using a Matrix to Organize Research / Saint Mary’s University of Minnesota

Literature Review: Synthesizing Multiple Sources / Indiana University

Writing a Literature Review and Using a Synthesis Matrix / Florida International University

 Sample Literature Reviews Grid / Complied by Lindsay Roberts

Select three or four articles on a single topic of interest to you. Then enter them into an outline or table in the categories you feel are important to a research question. Try both the grid and the outline if you can to see which suits you better. The attached grid contains the fields suggested in the video .

Literature Review Table  

Test Yourself

• Select two articles from your own summary table or outline and write a paragraph explaining how and why the sources relate to each other and your review of the literature.
• In your literature review, under what topic or subtopic will you place the paragraph you just wrote?

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Literature Reviews for Education and Nursing Graduate Students Copyright © by Linda Frederiksen is licensed under a Creative Commons Attribution 4.0 International License , except where otherwise noted.

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Educational resources and simple solutions for your research journey

How to Write Review of Related Literature (RRL) in Research

A review of related literature (a.k.a RRL in research) is a comprehensive review of the existing literature pertaining to a specific topic or research question. An effective review provides the reader with an organized analysis and synthesis of the existing knowledge about a subject. With the increasing amount of new information being disseminated every day, conducting a review of related literature is becoming more difficult and the purpose of review of related literature is clearer than ever.  

All new knowledge is necessarily based on previously known information, and every new scientific study must be conducted and reported in the context of previous studies. This makes a review of related literature essential for research, and although it may be tedious work at times , most researchers will complete many such reviews of varying depths during their career. So, why exactly is a review of related literature important?    

Table of Contents

Why a review of related literature in research is important  

Before thinking how to do reviews of related literature , it is necessary to understand its importance. Although the purpose of a review of related literature varies depending on the discipline and how it will be used, its importance is never in question. Here are some ways in which a review can be crucial.  

• Identify gaps in the knowledge – This is the primary purpose of a review of related literature (often called RRL in research ). To create new knowledge, you must first determine what knowledge may be missing. This also helps to identify the scope of your study.  
• Avoid duplication of research efforts – Not only will a review of related literature indicate gaps in the existing research, but it will also lead you away from duplicating research that has already been done and thus save precious resources.  
• Provide an overview of disparate and interdisciplinary research areas – Researchers cannot possibly know everything related to their disciplines. Therefore, it is very helpful to have access to a review of related literature already written and published.  
• Highlight researcher’s familiarity with their topic 1  – A strong review of related literature in a study strengthens readers’ confidence in that study and that researcher.

Tips on how to write a review of related literature in research

Given that you will probably need to produce a number of these at some point, here are a few general tips on how to write an effective review of related literature 2 .

• Define your topic, audience, and purpose: You will be spending a lot of time with this review, so choose a topic that is interesting to you. While deciding what to write in a review of related literature , think about who you expect to read the review – researchers in your discipline, other scientists, the general public – and tailor the language to the audience. Also, think about the purpose of your review of related literature .  
• Conduct a comprehensive literature search: While writing your review of related literature , emphasize more recent works but don’t forget to include some older publications as well. Cast a wide net, as you may find some interesting and relevant literature in unexpected databases or library corners. Don’t forget to search for recent conference papers.
• Review the identified articles and take notes: It is a good idea to take notes in a way such that individual items in your notes can be moved around when you organize them. For example, index cards are great tools for this. Write each individual idea on a separate card along with the source. The cards can then be easily grouped and organized.  
• Determine how to organize your review: A review of related literature should not be merely a listing of descriptions. It should be organized by some criterion, such as chronologically or thematically.  
• Be critical and objective: Don’t just report the findings of other studies in your review of related literature . Challenge the methodology, find errors in the analysis, question the conclusions. Use what you find to improve your research. However, do not insert your opinions into the review of related literature. Remain objective and open-minded.  
• Structure your review logically: Guide the reader through the information. The structure will depend on the function of the review of related literature. Creating an outline prior to writing the RRL in research is a good way to ensure the presented information flows well.  

As you read more extensively in your discipline, you will notice that the review of related literature appears in various forms in different places. For example, when you read an article about an experimental study, you will typically see a literature review or a RRL in research , in the introduction that includes brief descriptions of similar studies. In longer research studies and dissertations, especially in the social sciences, the review of related literature will typically be a separate chapter and include more information on methodologies and theory building. In addition, stand-alone review articles will be published that are extremely useful to researchers.  

The review of relevant literature or often abbreviated as, RRL in research , is an important communication tool that can be used in many forms for many purposes. It is a tool that all researchers should befriend.  

• University of North Carolina at Chapel Hill Writing Center. Literature Reviews.  https://writingcenter.unc.edu/tips-and-tools/literature-reviews/  [Accessed September 8, 2022]
• Pautasso M. Ten simple rules for writing a literature review. PLoS Comput Biol. 2013, 9. doi: 10.1371/journal.pcbi.1003149.

Q:  Is research complete without a review of related literature?

A research project is usually considered incomplete without a proper review of related literature. The review of related literature is a crucial component of any research project as it provides context for the research question, identifies gaps in existing literature, and ensures novelty by avoiding duplication. It also helps inform research design and supports arguments, highlights the significance of a study, and demonstrates your knowledge an expertise.

Q: What is difference between RRL and RRS?

The key difference between an RRL and an RRS lies in their focus and scope. An RRL or review of related literature examines a broad range of literature, including theoretical frameworks, concepts, and empirical studies, to establish the context and significance of the research topic. On the other hand, an RRS or review of research studies specifically focuses on analyzing and summarizing previous research studies within a specific research domain to gain insights into methodologies, findings, and gaps in the existing body of knowledge. While there may be some overlap between the two, they serve distinct purposes and cover different aspects of the research process.

Q: Does review of related literature improve accuracy and validity of research?

Yes, a comprehensive review of related literature (RRL) plays a vital role in improving the accuracy and validity of research. It helps authors gain a deeper understanding and offers different perspectives on the research topic. RRL can help you identify research gaps, dictate the selection of appropriate research methodologies, enhance theoretical frameworks, avoid biases and errors, and even provide support for research design and interpretation. By building upon and critically engaging with existing related literature, researchers can ensure their work is rigorous, reliable, and contributes meaningfully to their field of study.

R Discovery is a literature search and research reading platform that accelerates your research discovery journey by keeping you updated on the latest, most relevant scholarly content. With 250M+ research articles sourced from trusted aggregators like CrossRef, Unpaywall, PubMed, PubMed Central, Open Alex and top publishing houses like Springer Nature, JAMA, IOP, Taylor & Francis, NEJM, BMJ, Karger, SAGE, Emerald Publishing and more, R Discovery puts a world of research at your fingertips.  

Try R Discovery Prime FREE for 1 week or upgrade at just US$72 a year to access premium features that let you listen to research on the go, read in your language, collaborate with peers, auto sync with reference managers, and much more. Choose a simpler, smarter way to find and read research – Download the app and start your free 7-day trial today !  

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