explain related literature review

Pro Tip: Before moving on to proofreading and editing, be sure to set your literature review aside for a day or two. This will give you a chance to take your mind off it and then get back to proofreading with a fresh perspective. This tip will ensure that you won't miss out on any gaps or errors that might be present in your text.

These steps will help you create a top-notch literature review with ease! Want to get more advice on how to handle this body of work? Here are the top 3 tips you need to keep in mind when writing a literature review:

1. Good Sources

When working on a literature review, the most important thing any writer should remember is to find the best possible sources for their MOP. This means that you should select and filter through about 5-10 different options while doing initial research.

The stronger a piece of literature showcases the central point, the better the quality of the entire review.

2. Synthesize The Literature

Make sure to structure the review in the most effective way possible, whether it be chronologically, thematically, or methodologically. Understand what exactly you would like to say, and structure the source comparison accordingly.

3. Avoid Generalizations

Remember that each piece of literature will approach the MOP from a different angle. As the author, make sure to present the contrasts in approaches clearly and don't include general statements that offer no value.

Literature Review Examples

You can find two well-written literature reviews by the EssayPro writing team below. They will help you understand what the final product of a literature review should ideally look like.

The first literature review compares monolingual and bilingual language acquisition skills and uses various sources to prove its point:

The second literature review compares the impact of fear and pain on a protagonist’s overall development in various settings:

Both reviews will help you sharpen your skills and provide good guidelines for writing high-quality papers.

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The Literature Review: 5. Organizing the Literature Review

1. Organizing Principles

A literature review is a piece of discursive prose, not a list describing or summarizing one piece of literature after another. It should have a single organizing principle:

4. Selected Online Resources

2. Structure of the Literature Review

Although your literature review will rely heavily on the sources you read for its information, you should dictate the structure of the review. It is important that the concepts are presented in an order that makes sense of the context of your research project.

There may be clear divisions on the sets of ideas you want to discuss, in which case your structure may be fairly clear. This is an ideal situation. In most cases, there will be several different possible structures for your review.

Introduction

Introduction - profile of the study

Body - summative, comparative, and evaluative discussion of literature reviewed

For a thematic review:

From each of the section summaries:

5. A Final Checklist

3. Tips on Structure

A common error in literature reviews is for writers to present material from one author, followed by information from another, then another.... The way in which you group authors and link ideas will help avoid this problem. To group authors who draw similar conclusions, you can use linking words such as:

additionally

When authors disagree, linking words that indicate contrast will show how you have analysed their work. Words such as:

will indicate to your reader how you have analysed the material. At other times, you may want to qualify an author's work (using such words as specifically, usually, or generally ) or use an example ( thus, namely, to illustrate ). In this way you ensure that you are synthesizing the material, not just describing the work already carried out in your field.

Another major problem is that literature reviews are often written as if they stand alone, without links to the rest of the paper. There needs to be a clear relationship between the literature review and the methodology to follow.

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Writing a Literature Review

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

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

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

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

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

What are the parts of a lit review?

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

Introduction:

Conclusion:

How should I organize my lit review?

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

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

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

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

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

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

Literature Review Definition: Why Is It Done?

A literature review is done in order to clarify the areas of prior research of the matter you’ve currently undertaken. If you have coursework to write, research, term paper or whatever another sort of writing, have no time to do the search yourself – then literature reviews will be your saviors. It gives you all the background you need in any discipline, which comes very in handy when doing any research. Now let’s clarify on literature review definition.

What Is a Literature Review: Closer Look

In a nutshell, literature reviews have the following definition: It’s a list of all the sources you have used while writing something. It can be everything: books, website links, journals – literally any source of information. It’s mostly done in coursework and research papers by students in universities. That helps to clarify the research data, as well as to ensure that the researcher uses checked and accurate data.

But the true literature review meaning is much more profound. It’s not just a mere list of all used sources. It is a collection of reports to professionals, who need to stay always updated. And to scholars, it is a mark that signifies a writer’s credibility and shows how experienced he is in his particular field. You don’t only show that you used information from those sources, but it also indicates that you stay up to date with the discipline and that you’re interested in it.

What Is the Purpose of a Literature Review and Its Feature

The first major purpose of a literature review is, of course, to mention all the sources which have been used.

But it’s much more than that. A research paper’s focus is to introduce some new argument to think about, and the purpose of a literature review in a research study is to provide you with excessive data you may use to support your new insight.

There are the three main purposes of a literature review:

So the main purpose of a literature review is basically to be a sum up of all the ideas and insights in a nice, short and easy to read way. It also will demonstrate that you're familiar with a body of knowledge and are thus credible. Without this everything you’ve written won’t be taken seriously into account.

Literature Review Outline: Write with a Roadmap

So, before doing an outline for a literature review, let’s take some steps to make it a much easier task for you. It will also help you to avoid mistakes so that you didn’t have to do it over again.

Remember our professional advice and be ready to prepare top-notch writing easily. Good Luck!

Why is it important to do a literature review in research?

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The importance of scientific communication in the healthcare industry

importance and role of biostatistics in clinical research, biostatistics in public health, biostatistics in pharmacy, biostatistics in nursing,biostatistics in clinical trials,clinical biostatistics

The Importance and Role of Biostatistics in Clinical Research

“A substantive, thorough, sophisticated literature review is a precondition for doing substantive, thorough, sophisticated research”. Boote and Baile 2005

Authors of manuscripts treat writing a literature review as a routine work or a mere formality. But a seasoned one knows the purpose and importance of a well-written literature review. Since it is one of the basic needs for researches at any level, they have to be done vigilantly. Only then the reader will know that the basics of research have not been neglected.

Importance of Literature Review In Research

The aim of any literature review is to summarize and synthesize the arguments and ideas of existing knowledge in a particular field without adding any new contributions. Being built on existing knowledge they help the researcher to even turn the wheels of the topic of research. It is possible only with profound knowledge of what is wrong in the existing findings in detail to overpower them. For other researches, the literature review gives the direction to be headed for its success.

The common perception of literature review and reality:

As per the common belief, literature reviews are only a summary of the sources related to the research. And many authors of scientific manuscripts believe that they are only surveys of what are the researches are done on the chosen topic. But on the contrary, it uses published information from pertinent and relevant sources like

and many more for a field of study or theory or a particular problem to do the following:

By doing the above on the relevant information, it provides the reader of the scientific manuscript with the following for a better understanding of it:

Importance of literature review in research:

The importance of literature review in scientific manuscripts can be condensed into an analytical feature to enable the multifold reach of its significance. It adds value to the legitimacy of the research in many ways:

22. It helps the readers to identify the following for further reading of the scientific manuscript:

A profound literature review with many relevant sources of reference will enhance the chances of the scientific manuscript publication in renowned and reputed scientific journals .

References:

http://www.math.montana.edu/jobo/phdprep/documents/phd6.pdf

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Frequently asked questions

What is the purpose of a literature review.

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

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

Frequently asked questions: Academic writing

You may have seen both “appendices” or “appendixes” as pluralizations of “ appendix .” Either spelling can be used, but “appendices” is more common (including in APA Style ). Consistency is key here: make sure you use the same spelling throughout your paper.

The purpose of a lab report is to demonstrate your understanding of the scientific method with a hands-on lab experiment. Course instructors will often provide you with an experimental design and procedure. Your task is to write up how you actually performed the experiment and evaluate the outcome.

In contrast, a research paper requires you to independently develop an original argument. It involves more in-depth research and interpretation of sources and data.

A lab report is usually shorter than a research paper.

The sections of a lab report can vary between scientific fields and course requirements, but it usually contains the following:

A lab report conveys the aim, methods, results, and conclusions of a scientific experiment . Lab reports are commonly assigned in science, technology, engineering, and mathematics (STEM) fields.

The abstract is the very last thing you write. You should only write it after your research is complete, so that you can accurately summarize the entirety of your thesis , dissertation or research paper .

If you’ve gone over the word limit set for your assignment, shorten your sentences and cut repetition and redundancy during the editing process. If you use a lot of long quotes , consider shortening them to just the essentials.

If you need to remove a lot of words, you may have to cut certain passages. Remember that everything in the text should be there to support your argument; look for any information that’s not essential to your point and remove it.

Revising, proofreading, and editing are different stages of the writing process .

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 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.

Avoid citing sources in your abstract . There are two reasons for this:

There are some circumstances where you might need to mention other sources in an abstract: for example, if your research responds directly to another study or focuses on the work of a single theorist. In general, though, don’t include citations unless absolutely necessary.

An abstract is a concise summary of an academic text (such as a journal article or dissertation ). It serves two main purposes:

Abstracts are often indexed along with keywords on academic databases, so they make your work more easily findable. Since the abstract is the first thing any reader sees, it’s important that it clearly and accurately summarizes the contents of your paper.

In a scientific paper, the methodology always comes after the introduction and before the results , discussion and conclusion . The same basic structure also applies to a thesis, dissertation , or research proposal .

Depending on the length and type of document, you might also include a literature review or theoretical framework before the methodology.

Whether you’re publishing a blog, submitting a research paper , or even just writing an important email, there are a few techniques you can use to make sure it’s error-free:

If you want to be confident that an important text is error-free, it might be worth choosing a professional proofreading service instead.

Editing and proofreading are different steps in the process of revising a text.

Editing comes first, and can involve major changes to content, structure and language. The first stages of editing are often done by authors themselves, while a professional editor makes the final improvements to grammar and style (for example, by improving sentence structure and word choice ).

Proofreading is the final stage of checking a text before it is published or shared. It focuses on correcting minor errors and inconsistencies (for example, in punctuation and capitalization ). Proofreaders often also check for formatting issues, especially in print publishing.

The cost of proofreading depends on the type and length of text, the turnaround time, and the level of services required. Most proofreading companies charge per word or page, while freelancers sometimes charge an hourly rate.

For proofreading alone, which involves only basic corrections of typos and formatting mistakes, you might pay as little as $0.01 per word, but in many cases, your text will also require some level of editing , which costs slightly more.

It’s often possible to purchase combined proofreading and editing services and calculate the price in advance based on your requirements.

There are many different routes to becoming a professional proofreader or editor. The necessary qualifications depend on the field – to be an academic or scientific proofreader, for example, you will need at least a university degree in a relevant subject.

For most proofreading jobs, experience and demonstrated skills are more important than specific qualifications. Often your skills will be tested as part of the application process.

To learn practical proofreading skills, you can choose to take a course with a professional organization such as the Society for Editors and Proofreaders . Alternatively, you can apply to companies that offer specialized on-the-job training programmes, such as the Scribbr Academy .

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You can find all the citation styles and locales used in the Scribbr Citation Generator in our publicly accessible repository on Github .

15 Reasons Why Literature Review Is Important?

Table of Contents

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Another benefit of the literature review is that it helps researchers explore complex topics, which they may be unfamiliar with at first. By reading about these topics, they can develop an understanding of what research has been conducted on the topic and how it has been conducted. This, in turn, can help them to develop their research study.

The Importance Of Literature Review – Conclusion

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Why Is Literature Review Important? (3 Benefits Explained)

by Antony W

January 21, 2023

why is literature review important explained

Every research project needs a literature review. And while it’s one of the most challenging parts of the assignment, in part because of the intensity of the research involved, it’s by far the most important section of a research paper.

Many students fail to write comprehensive literature reviews because they see the assignment as a formality.

For the most part, they’ll vaguely create a list of existing studies and consider the assignment complete. But such an approach overlooks why a literature review is important.

We need to take a step back and look beyond the definition of a literature review.

In particular, the goal of this guide is to help you explore the significance of the review of the existing literature.

Once you understand the role that literature reviews play in research projects, you’ll give the assignment the full attention that it deserves.

Key Takeaways

Writing a literature review is important for the following reasons:

Get Literature Review Writing Help

Do you find the workload involved in writing a literature review for your thesis, research paper, or standalone project overwhelming? We understand how involving the writing process can be, and we are here to help you with writing if you currently feel stuck.

You can hire a professional literature review writer from Help for Assessment to get the writing done for you. Whether you have a flexible deadline or the submission date for the literature is almost due, you can count on our team to help you get the paper done fast.

What is a Literature Review?

A literature review is a study of the already existing research in a given area of study.

While it’s common in physical and social sciences, instructors may also request student to complete the assignment within the humanities space.

The review can be a standalone project or a part of an academic assignment.

If your professor or instructor asks you to write the review as a standalone project, your focus will be on exploring how a specific field of inquiry has developed over the course of time.

In the case where you have to include the review as part of your academic paper, the goal will be to set the background for the topic (or issue) you’re currently investigating.

How is Literature Review Different from an Essay?

In an education setting whether students are used to writing tons of essays every month, it’s likely for many to wonder whether an essay could be the same as a literature review.

While a literature review and an essay both require research before writing, there are a number of differences between them that you need to know.

Types of Literature Review

We’ll look at the significance of a literature review in a moment.

For now let’s look at the types of literature reviews that your instructor may ask you to write.

As of this writing, there are 6 types of reviews that you need to know about. These are:

1. Argumentative Review

Examines a literature review with the intention to support or refuse an argument, with the aim being to develop a body of literature that can establish a contrarian point of view.

2. Integrative Literature Review

This type of review critiques and synthesizes related literature to generate a new framework and perspective on a topic.

Researchers have to address identical and/or related hypotheses or research problems to comply with research standards with regards to replication, vigor, and clarity.

3. Historical Literature

The focus of the review is to examine research within a given period, and usually starts from the time a research problem or issue emerged.

Then, you have to trace its evolution throughout the suggested timeframe within the scholarship of that particular discipline.

4. Methodological Literature Review

The focus shifts from what someone said to how they ended up saying what they said.

Since the focus here is on the method of analysis, methodological reviews gives a better framework that help one to understand exactly how a researcher draws their conclusion from a wide range of knowledge.

5. Systematic Literature

A systematic review focuses on the existing evidence related to a specific research question.

You will need to use a pre-specified and standardized approach to identify, evaluate, and appraise research, not to mention collect, analyze, and report data collected from the review.

Understand that the goal of a systematic review is to evaluate, summarize, and document research that focuses on a specific (or clearly defined) research problem.

6. Theoretical Literature Review

Theoretical review focuses on examining theories that resulted from an issue, a concept, or a situation.

It’s through this type of review that a researcher can easily establish the kind of theories that already formulated, the degree to what researchers have investigated them, and the relationship between them.

It’s through theoretical review that one can develop new hypotheses for testing and can therefore help to determine what theories aren’t sufficient to explain emerging research problems.

Why Is Literature Review Important?

Now that you know the difference between an essay and a review as well as the different types of literature review, it’s important to look at why it’s important to examine existing literature in your research.

There are a number of reasons why instructors ask you to write a review , and they’re as follow:

1. Demonstrate a Clear Understanding of the Subject

Writing a literature review demonstrates that you have a clear understanding of the subject you’re investigating.

It also means that you can easily identify, evaluate, and summarize existing research that’s relevant to your work.

2. Justify Your Research

There’s more to writing a research paper than just identifying topic and generating your research question from it.

You also have to go as far as to justify your research, and the only way to do that is by including a literature review in your work.

It’s important to understand that looking at past research is the only way to identify gaps that exist in the current literature.

That can go a long way to help fill in the gap by addressing them in your own research work.

3. Helps to Set a Resourceful Theoretical Framework

Because a research paper assignment builds up on the ideas of already existing research, doing a literature review can help you to set a resourceful theoretical framework on which to base your study.

The theoretical framework will include concepts and theories that you will base your research on. And keep in mind that it’s this framework that professors will use to judge the overall quality of your work.

Frequently Asked Questions

1. what are the benefits of literature review in research.

A literature review in research allows you to discover exiting knowledge in your field and the boundaries and limitations that exists within that field.

Moreover, doing a review of existing literature helps you to understand the theories that drive an area of investigation, making it easy for you to place your research question into proper context.

2. What is the Effect of a Good Literature Review?

In addition to providing context, reducing research redundancy, and informing methodology, a well-written literature review can maximize relevance, enhance originality, and ensure professional standards in writing.

3. What is a Strength of a Literature Review?

The strength of a literature review is the ability to improve your information seeking skills and enhancing your knowledge about the topic under investigation.

As you can see, a review is quite a significant part of a research project, so you should treat it with the seriousness that it deserves.

At the end of the day, you want to create a good connection between you and your readers, and the best way to do that is to pack just as much value as you can in your literature review project.

About the author

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

Organizing Your Social Sciences Research Paper

A literature review surveys 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 explored while researching a particular topic and to demonstrate to your readers how your research fits within a larger field of study.

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:

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

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 :

The critical evaluation of each work should consider :

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”] Thematic reviews of literature are organized around a topic or issue, rather than the progression of time. However, progression of time may still be an important factor in a thematic review. For 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 will still be organized chronologically reflecting technological developments in media. The only difference here between a "chronological" and a "thematic" approach is what is emphasized the most: the role of the Internet in presidential politics. Note however 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 made. Note that this is the most common approach in the social and behavioral sciences. 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:

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.

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:

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:

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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Chapter 2 Review of Related Literature and Studies

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What Is a Literature Review?

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B.A., American Studies, Yale University

A literature review summarizes and synthesizes the existing scholarly research on a particular topic. Literature reviews are a form of academic writing commonly used in the sciences, social sciences, and humanities. However, unlike research papers, which establish new arguments and make original contributions, literature reviews organize and present existing research. As a student or academic, you might produce a literature review as a standalone paper or as a portion of a larger research project.

What Literature Reviews Are Not

In order to understand literature reviews, it's best to first understand what they are not . First, literature reviews are not bibliographies. A bibliography is a list of resources consulted when researching a particular topic. Literature reviews do more than list the sources you’ve consulted: they summarize and critically evaluate those sources.

Second, literature reviews are not subjective. Unlike some of the other well-known "reviews" (e.g. theater or book reviews), literature reviews steer clear of opinion statements. Instead, they summarize and critically assess a body of scholarly literature from a relatively objective perspective. Writing a literature review is a rigorous process, requiring a thorough evaluation of the quality and findings of each source discussed.

Why Write a Literature Review?

Writing a literature review is a time-consuming process that requires extensive research and critical analysis . So, why should you spend so much time reviewing and writing about research that’s already been published?

Tips for Writing a Literature Review

While specific style guidelines vary among disciplines, all literature reviews are well-researched and organized. Use the following strategies as a guide as you embark on the writing process.

Writing a literature review takes time, patience, and a whole lot of intellectual energy. As you pore over countless academic articles, consider all the researchers who preceded you and those who will follow. Your literature review is much more than a routine assignment: it's a contribution to the future of your field.

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Home » What are the 4 main functions of literature review?

What are the 4 main functions of literature review?

How To Write A Research Paper Literature Review

A research paper is an academic piece of writing where a student analyzes and interprets an argument founded on broad and in-depth research. Similar to academic essays but longer, they are designed to assess your writing skills and research skills. When you write a research paper, your instructor expects to see three things:

A literature review is a part of any research paper. It refers to the inclusive and condensed overview of a particular topic’s known knowledge. After selecting your research paper’s topic, the first thing you do is to look at the previous studies done on this topic and how they are related to your research paper. Therefore, a literature review is the backbone of a research paper.

So what purpose does a literature review serve in your research paper?

Types of literature reviews

Literature reviews aim to provide a synopsis and synthesis of relevant sources that you have explored in the course of writing your paper. Depending on the type of your research paper, there are several approaches that you can choose from:

Argumentative review

This type of literature review solely deals with argumentative papers to support or disprove an argument or a theoretical problem already demonstrated in the literature. The purpose of this review is to develop a point of view that is contrarian in nature. This type of approach is particularly common in social sciences, which is critical to discourse.

Integrative review

Integrated reviews are considered a form of research on their own. The reason is that they assess and synthesize illustrative literature on a topic in an integrated manner. This literature review includes all studies addressing similar and/or related research problems or hypotheses. This is the most common review in social sciences, and it should be clear and rigorous.

Historical review

Very few things can be viewed without taking history into account. Historical literature reviews aim at investigating research through a period in time by starting with the first time phenomena, issue, event, or situation that emerged in literature and then chronologically following its evolution with your topic/subject over time. This literature review’s objective is threefold: to view research in a historical context, demonstrate knowledge on research developments, and identify directions for future research.

Methodological review

This review does not focus on the findings but on how these findings came to be. Methodological reviews look at research approaches and data collection, analysis techniques, sampling, interviewing, data collection, and data analysis. This review is highly informative on the ethical issues you should consider when pursuing your own research.

Systematic review

Systematic reviews comprise an overview of present literature relevant to a boldly mapped out research question. This literature review uses specified and standardized methods to find and evaluate relevant research; and gather, report, and examine data from studies in the review. The purpose of systematic reviews is to assess and sum up all the research about one research problem. This review is used mostly by those examining previous studies in clinical medicine and related health fields.

Theoretical review

Theoretical reviews examine a theory’s body of work regarding a phenomenon, event, issue, or concept—the purpose of this type of literature review, already existing theories, and the relationship between them. Theoretical reviews are also essential in determining the levels in which these theories have been investigated and developing new hypotheses to be appraised in the future. They are useful in revealing the inadequacies of existing theories in dealing with or explaining unfolding research problems

Literature review writing tips

When writing your research paper literature review, keep the following in mind:

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What is a literature review?
A literature review is a comprehensive summary of previous research on a topic. The literature review surveys scholarly articles, books, and other sources relevant to a particular area of research. The review should enumerate, describe, summarize, objectively evaluate and clarify this previous research.
How to Write a Literature Review
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.
What is a Literature Review?
Literature Review is a comprehensive survey of the works published in a particular field of study or line of research, usually over a specific period of time, in the form of an in-depth, critical bibliographic essay or annotated list in which attention is drawn to the most significant works.
Q: How do I do a review of related literature (RRL)?
A review of related literature (RRL) is a detailed review of existing literature related to the topic of a thesis or dissertation. In an RRL, you talk about knowledge and findings from existing literature relevant to your topic.
Literature Review: Examples, Outline, Format
According to the definition, a literature review is a body of work that explores various publications within a specific subject area and sometimes within a set timeframe. This type of writing requires you to read and analyze various sources that relate to the main subject and present each unique comprehension of the publications.
The Literature Review: 5. Organizing the Literature Review
A literature review is a piece of discursive prose, not a list describing or summarizing one piece of literature after another. It should have a single organizing principle: ... Explain the criteria to be used in analysing and comparing the literature; Describe the organization of the review (the sequence) If necessary, state why certain ...
Writing a Literature Review
A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays).
(PDF) Review of related literature
In fact, review of related literature is required in every chapter of the thesis. It helps in defining your problem, identifying variables, framing objectives and hypotheses, linking it with...
Literature Review Definition: Meaning, Requirements, and Writing Guide
A literature review is done in order to clarify the areas of prior research of the matter you've currently undertaken. If you have coursework to write, research, term paper or whatever another sort of writing, have no time to do the search yourself - then literature reviews will be your saviors.
Why is it important to do a literature review in research?
The aim of any literature review is to summarize and synthesize the arguments and ideas of existing knowledge in a particular field without adding any new contributions. Being built on existing knowledge they help the researcher to even turn the wheels of the topic of research.
What is the purpose of a literature review?
What is the purpose of a literature review? 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
15 Reasons Why Literature Review Is Important?
One of the main functions of the literature review is to help researchers formulate clear and concise research questions. By reading extensively about a topic, researchers can develop well-defined questions that can be addressed through their research. 4. Literature Review Helps Assess The Quality Of Previous Research.
Why Is Literature Review Important? (3 Benefits Explained)
Examines a literature review with the intention to support or refuse an argument, with the aim being to develop a body of literature that can establish a contrarian point of view. 2. Integrative Literature Review. This type of review critiques and synthesizes related literature to generate a new framework and perspective on a topic.
5. The Literature Review
A literature review surveys 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.
(PDF) CHAPTER 2 REVIEW OF RELATED LITERATURE
Sheryl Lynn Maglinte Quilab. View. OBJECTIVES OF THE STUDY: A. Major Objective: To develop Task Oriented Instructional Approach for Enhancing Attainment of Secondary Students in English B ...
Chapter 2 Review of Related Literature and Studies
A review of related literature and studies is the theories which the researchers use to explain the existence of a research problem and use as a bases in analyzing relationship between variables can be generated from reference books and of collecting, selecting and reading books, journals, reports, abstract, and other reference materials.
What Is a Literature Review?
Literature reviews are a form of academic writing commonly used in the sciences, social sciences, and humanities. However, unlike research papers, which establish new arguments and make original contributions, literature reviews organize and present existing research.
What are the 4 main functions of literature review?
A literature review is a part of any research paper. It refers to the inclusive and condensed overview of a particular topic's known knowledge. After selecting your research paper's topic, the first thing you do is to look at the previous studies done on this topic and how they are related to your research paper.
The Importance of Literature Review in Research Writing
A literature review helps you create a sense of rapport with your audience or readers so they can trust that you have done your homework. As a result, they can give you credit for your due diligence: you have done your fact-finding and fact-checking mission, one of the initial steps of any research writing.
PDF What is a Literature Review?
The importance of the literature review is directly related to its aims and purpose. Nursing and allied health disciplines contain a vast amount of ever increasing lit-erature and research that is important to the ongoing development of practice. The literature review is an aid to gathering and synthesising that information. The pur-