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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 .
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.
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, 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.

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
Prevent plagiarism. Run a free check.
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.
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.
Open Google Slides Download PowerPoint
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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Literature Review Research
Literature review, what is not a literature review, purpose of the literature review, types of literature review.
- Systematic Review
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Education Librarian

- What is a Literature Review?
- Summarizes and analyzes previous research relevant to a topic
- Includes scholarly books and articles published in academic journals
- Can be an specific scholarly paper or a section in a research paper
- Help gather ideas or information
- Keep up to date in current trends and findings
- Help develop new questions
A literature review is important because it:
- Explains the background of research on a topic.
- Demonstrates why a topic is significant to a subject area.
- Helps focus your own research questions or problems
- Discovers relationships between research studies/ideas.
- Suggests unexplored ideas or populations
- Identifies major themes, concepts, and researchers on a topic.
- Tests assumptions; may help counter preconceived ideas and remove unconscious bias.
- Identifies critical gaps, points of disagreement, or potentially flawed methodology or theoretical approaches.
- Indicates potential directions for future research.
Keep in mind the following, a literature review is NOT:
Not an essay
Not an annotated bibliography in which you summarize each article you reviewed. A literature review goes beyond basic summarizing to critically analyze the reviewed works and their relationship to your research question.
Not a research paper where you select resources to support one side of an issue versus another. A lit review should explain and consider all sides of an argument to avoid bias, and areas of agreement and disagreement should be highlighted.
A literature review serves several purposes. For example, it
- provides thorough knowledge of previous studies; introduces seminal works.
- helps focus one’s own research topic.
- identifies a conceptual framework for one’s own research questions or problems; indicates potential directions for future research.
- suggests previously unused or underused methodologies, designs, and quantitative and qualitative strategies.
- identifies gaps in previous studies; identifies flawed methodologies and/or theoretical approaches; avoids replication of mistakes.
- helps the researcher avoid the repetition of earlier research.
- suggests unexplored populations.
- determines whether past studies agree or disagree; identifies controversy in the literature.
- tests assumptions may help counter preconceived ideas and remove unconscious bias.
As Kennedy (2007) notes*, 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 original studies. Third, there are the perceptions, conclusions, opinion, and interpretations that are shared informally that become part of the lore of 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 several approaches to how they can be done, depending upon the type of analysis underpinning your study. Listed below are definitions of types of literature reviews:
Argumentative Review This form examines literature selectively in order to support or refute an argument, deeply imbedded 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 to make summary claims of the sort found in systematic reviews.
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. A well-done integrative review meets the same standards as primary research in regard to clarity, rigor, and replication.
Historical Review Few things rest in isolation from historical precedent. Historical reviews are focused 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 [content], but how they said it [method of analysis]. This approach provides a framework of understanding at different levels (i.e. those of theory, substantive fields, research approaches and data collection and analysis techniques), enables researchers to draw on 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, and helps highlight many ethical issues which we should be aware of and consider as we go through our 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 analyse data from the studies that are included in the review. 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?"
Theoretical Review The purpose of this form is to concretely examine the corpus of theory that has accumulated in regard to an issue, concept, theory, phenomena. The theoretical literature review help 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.
* Kennedy, Mary M. "Defining a Literature." Educational Researcher 36 (April 2007): 139-147.
All content in this section is from The Literature Review created by Dr. Robert Larabee USC
- Next: Systematic Review >>
- Last Updated: Dec 22, 2022 1:47 PM
- URL: https://guides.lib.odu.edu/literaturereview
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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:
- An introductory paragraph that explains what your working topic and thesis is
- A forecast of key topics or texts that will appear in the review
- Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
- Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
- Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
- Critically Evaluate: Mention the strengths and weaknesses of your sources
- Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.
Conclusion:
- Summarize the key findings you have taken from the literature and emphasize their significance
- Connect it back to your primary research question
How should I organize my lit review?
Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:
- Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
- Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
- Qualitative versus quantitative research
- Empirical versus theoretical scholarship
- Divide the research by sociological, historical, or cultural sources
- Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.
What are some strategies or tips I can use while writing my lit review?
Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .
As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.
Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:
- It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
- Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
- Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
- Read more about synthesis here.
The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.
Qualitative Research: Literature Review
- Qualitative Research Handout
- Schedule a Reference Appointment
- Locating Books
- ebook Collections
- A to Z Database List
- Research & Statistics
- Literature Review Resources
- Citation & Reference
Exploring the literature review
Literature review model: 6 steps.

Adapted from The Literature Review , Machi & McEvoy (2009, p. 13).
Your Literature Review
Step 2: search, boolean search strategies, search limiters, ★ ebsco & google drive.

1. Select a Topic
"All research begins with curiosity" (Machi & McEvoy, 2009, p. 14)
Selection of a topic, and fully defined research interest and question, is supervised (and approved) by your professor. Tips for crafting your topic include:
- Be specific. Take time to define your interest.
- Topic Focus. Fully describe and sufficiently narrow the focus for research.
- Academic Discipline. Learn more about your area of research & refine the scope.
- Avoid Bias. Be aware of bias that you (as a researcher) may have.
- Document your research. Use Google Docs to track your research process.
- Research apps. Consider using Evernote or Zotero to track your research.
Consider Purpose
What will your topic and research address?
In The Literature Review: A Step-by-Step Guide for Students , Ridley presents that literature reviews serve several purposes (2008, p. 16-17). Included are the following points:
- Historical background for the research;
- Overview of current field provided by "contemporary debates, issues, and questions;"
- Theories and concepts related to your research;
- Introduce "relevant terminology" - or academic language - being used it the field;
- Connect to existing research - does your work "extend or challenge [this] or address a gap;"
- Provide "supporting evidence for a practical problem or issue" that your research addresses.
★ Schedule a research appointment
At this point in your literature review, take time to meet with a librarian. Why? Understanding the subject terminology used in databases can be challenging. Archer Librarians can help you structure a search, preparing you for step two. How? Contact a librarian directly or use the online form to schedule an appointment. Details are provided in the adjacent Schedule an Appointment box.
2. Search the Literature
Collect & Select Data: Preview, select, and organize
AU Library is your go-to resource for this step in your literature review process. The literature search will include books and ebooks, scholarly and practitioner journals, theses and dissertations, and indexes. You may also choose to include web sites, blogs, open access resources, and newspapers. This library guide provides access to resources needed to complete a literature review.
Books & eBooks: Archer Library & OhioLINK
Databases: scholarly & practitioner journals.
Review the Library Databases tab on this library guide, it provides links to recommended databases for Education & Psychology, Business, and General & Social Sciences.
Expand your journal search; a complete listing of available AU Library and OhioLINK databases is available on the Databases A to Z list . Search the database by subject, type, name, or do use the search box for a general title search. The A to Z list also includes open access resources and select internet sites.
Databases: Theses & Dissertations
Review the Library Databases tab on this guide, it includes Theses & Dissertation resources. AU library also has AU student authored theses and dissertations available in print, search the library catalog for these titles.
Did you know? If you are looking for particular chapters within a dissertation that is not fully available online, it is possible to submit an ILL article request . Do this instead of requesting the entire dissertation.
Newspapers: Databases & Internet
Consider current literature in your academic field. AU Library's database collection includes The Chronicle of Higher Education and The Wall Street Journal . The Internet Resources tab in this guide provides links to newspapers and online journals such as Inside Higher Ed , COABE Journal , and Education Week .

Search Strategies & Boolean Operators
There are three basic boolean operators: AND, OR, and NOT.
Used with your search terms, boolean operators will either expand or limit results. What purpose do they serve? They help to define the relationship between your search terms. For example, using the operator AND will combine the terms expanding the search. When searching some databases, and Google, the operator AND may be implied.
Overview of boolean terms
About the example: Boolean searches were conducted on November 4, 2019; result numbers may vary at a later date. No additional database limiters were set to further narrow search returns.
Database Search Limiters
Database strategies for targeted search results.
Most databases include limiters, or additional parameters, you may use to strategically focus search results. EBSCO databases, such as Education Research Complete & Academic Search Complete provide options to:
- Limit results to full text;
- Limit results to scholarly journals, and reference available;
- Select results source type to journals, magazines, conference papers, reviews, and newspapers
- Publication date
Keep in mind that these tools are defined as limiters for a reason; adding them to a search will limit the number of results returned. This can be a double-edged sword. How?
- If limiting results to full-text only, you may miss an important piece of research that could change the direction of your research. Interlibrary loan is available to students, free of charge. Request articles that are not available in full-text; they will be sent to you via email.
- If narrowing publication date, you may eliminate significant historical - or recent - research conducted on your topic.
- Limiting resource type to a specific type of material may cause bias in the research results.
Use limiters with care. When starting a search, consider opting out of limiters until the initial literature screening is complete. The second or third time through your research may be the ideal time to focus on specific time periods or material (scholarly vs newspaper).
★ Truncating Search Terms
Expanding your search term at the root.
Truncating is often referred to as 'wildcard' searching. Databases may have their own specific wildcard elements however, the most commonly used are the asterisk (*) or question mark (?). When used within your search. they will expand returned results.
Asterisk (*) Wildcard
Using the asterisk wildcard will return varied spellings of the truncated word. In the following example, the search term education was truncated after the letter "t."
Explore these database help pages for additional information on crafting search terms.
- EBSCO Connect: Searching with Wildcards and Truncation Symbols
- EBSCO Connect: Searching with Boolean Operators
- EBSCO Connect: EBSCOhost Search Tips
- EBSCO Connect: Basic Searching with EBSCO
- ProQuest Help: Search Tips
- ERIC: How does ERIC search work?
★ EBSCO Databases & Google Drive
Tips for saving research directly to Google drive.
Researching in an EBSCO database?
It is possible to save articles (PDF and HTML) and abstracts in EBSCOhost databases directly to Google drive. Select the Google Drive icon, authenticate using a Google account, and an EBSCO folder will be created in your account. This is a great option for managing your research. If documenting your research in a Google Doc, consider linking the information to actual articles saved in drive.
EBSCO Databases & Google Drive
EBSCOHost Databases & Google Drive: Managing your Research
This video features an overview of how to use Google Drive with EBSCO databases to help manage your research. It presents information for connecting an active Google account to EBSCO and steps needed to provide permission for EBSCO to manage a folder in Drive.
About the Video: Closed captioning is available, select CC from the video menu. If you need to review a specific area on the video, view on YouTube and expand the video description for access to topic time stamps. A video transcript is provided below.
- EBSCOhost Databases & Google Scholar
Defining Literature Review
What is a literature review.
A definition from the Online Dictionary for Library and Information Sciences .
A 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" (Reitz, 2014).
A systemic review is "a literature review focused on a specific research question, which uses explicit methods to minimize bias in the identification, appraisal, selection, and synthesis of all the high-quality evidence pertinent to the question" (Reitz, 2014).
Recommended Reading
About this page
EBSCO Connect [Discovery and Search]. (2022). Searching with boolean operators. Retrieved May, 3, 2022 from https://connect.ebsco.com/s/?language=en_US
EBSCO Connect [Discover and Search]. (2022). Searching with wildcards and truncation symbols. Retrieved May 3, 2022; https://connect.ebsco.com/s/?language=en_US
Machi, L.A. & McEvoy, B.T. (2009). The literature review . Thousand Oaks, CA: Corwin Press:
Reitz, J.M. (2014). Online dictionary for library and information science. ABC-CLIO, Libraries Unlimited . Retrieved from https://www.abc-clio.com/ODLIS/odlis_A.aspx
Ridley, D. (2008). The literature review: A step-by-step guide for students . Thousand Oaks, CA: Sage Publications, Inc.
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Related Literature – What Is Review Of Related Literature (RRL)?
Here are top 5 things to know about your review of related literature (rrl).
FACTS ABOUT RELATED LITERATURE – When conducting research, especially one academic in nature, you would most likely need to include an RRL.
Related literature is defined as a composition of facts, studies, principles, which are related to your research topic. Furthermore, you can find RRL materials in books, professional journals, articles, and other forms of publication.
However, before we continue to discuss more facts about the RRL, we need to know the difference between related studies and related literature.

RELATED STUDIES VS RELATED LITERATURE
Official and public offices along with University thesis’ are examples of related studies . These are publicized source materials that have been peer-reviewed or sourced through facts and intensive research.
Meanwhile, related literature can stem from journalists, officials, or any influential figure. As such, the opinions, facts, and other details introduced can greatly affect the public’s opinion and thinking.
What is RRL?
Quick Answer: The RRL ( review of related literature ) is an overview of pre-existing literature which holds a relation to the topic of an individual’s research, thesis, or dissertation topic.
Moreover, through an RRL, researchers can identify potentially better topics through an excess of already available studies. With this, individuals can then identify the strengths and weaknesses of a given study.
Best Sources For Related Studies
Having access to primary sources of information are key when creating an RRL. Thus, researchers should include the following for their RRL:
- Diaries, speeches, manuscripts, letters, interviews, records, eyewitness reports, and memoirs
- Research articles, clinical reports, case studies, and dissertations
- Poetry, music, video, and photography
Importance of RRL and research studies:
The goal of literature or research studies is to get a better grasp of the existing research and discussions on a certain topic or field of study. Additionally, it can provide information in the form of a written report as well as conducting aiding the development of your field expertise.
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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 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?
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.
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What is the background of a study and how to write it (examples included)

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Q: How do I do a review of related literature (RRL)?
How do I do the synthesis? Also, where can I get samples of RRLs?
Asked on 04 Jan, 2020
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. If you find gaps or conflicts in existing literature, you can also discuss these in your review, and if applicable, how you plan to address these gaps or resolve these conflicts through your study.
To undertake an RRL, therefore, you first need to identify relevant literature. You can do this through various sources, online and offline. Ensure you are saving all applicable resources because you will need to mention them in your paper. When going through the resources, make notes and identify key concepts of each resource to describe in the review.
Before starting the review, determine how you want to organize the review, that is, whether you wish to discuss the resources by themes, dates, extent of relevance, and so on.
When writing the review, begin by providing the background and purpose of the review. Then, begin discussing each of the identified resources according to the way you decided to organize them. For each, you can mention the title, author, publication, and date before describing the key concept and points. You may decide to list sections and sub-sections as in this sample or keep it more free-flowing as in this sample . [Note: In case any of these links don’t open, you may need to register yourself on the respective site(s).]
Finally, in the synthesis, you explain how the various concepts of each resource link with each other. You may decide to do this through a table or matrix, as illustrated here .
Related reading :
- How to write the literature review of your research paper
- Tips for effective literature searching and keeping up with new publications
- Make your Google searches more precise: A few tips for researchers

Answered by Editage Insights on 21 Jan, 2020
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What is a Review of Related Literature (RRL)?
Research in everyday usage is different from its strict sense. We often say that we are conducting research in the library or in the Internet. Although grammatically correct, these phrases denote a misconception of what research is. The correct term is that we are conducting a literature review.
What is the value of related literature?
A good research is designed to build on and use existing knowledge. Once a research topic is already determined and well-thought of, the researcher must look for academic and research journals, books, and other similar documents that contain reports of previous research studies about a topic related to the present research. This is called literature review or review of related literature . It involves a process of identifying, locating, organizing, and analyzing information about a research topic. Conducting a literature review is essential because it prevents duplication of studies and helps avoid problems that others have encountered. It would be wasteful for a researcher to begin working on a study without knowing what others have already done. Literature review also provides valuable information about how to measure the research variables involved and what research designs will be most useful. A thorough literature review before the implementation of the study reflects the depth of discussion, analysis, and interpretation of findings.
Literature serves the following functions in the research process:
- It provides information about past research studies related to the intended investigation, preventing the duplication of research undertakings.
- It presents gaps in the field of study. Gaps may either be areas in the body of knowledge that are not explored yet or parts where research studies yielded inconclusive results.
- It affords confidence and authority to the researchers since reviewing the literature can provide them all possible constructs and perspectives of the present study.
- It gives information about the methods used in similar studies, including the characteristics of the samples, the sampling techniques or the process of selecting the research participants, the variables considered, the kinds of data gathered, and the type of analysis and interpretation done on the collected data.
- It enumerates findings from previous studies that may support those of the present study.
- It provides ideas on how implications may be drawn out of the analysis and interpretation of data.
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Journal of Business Research
Literature review as a research methodology: an overview and guidelines.
Knowledge production within the field of business research is accelerating at a tremendous speed while at the same time remaining fragmented and interdisciplinary. This makes it hard to keep up with state-of-the-art and to be at the forefront of research, as well as to assess the collective evidence in a particular area of business research. This is why the literature review as a research method is more relevant than ever. Traditional literature reviews often lack thoroughness and rigor and are conducted ad hoc, rather than following a specific methodology. Therefore, questions can be raised about the quality and trustworthiness of these types of reviews. This paper discusses literature review as a methodology for conducting research and offers an overview of different types of reviews, as well as some guidelines to how to both conduct and evaluate a literature review paper. It also discusses common pitfalls and how to get literature reviews published.
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Hannah Snyder is an assistant professor at the department of marketing, BI - Norwegian School of Business, Oslo, Norway. Her research interest relates to service innovation, customer creativity, deviant customer behavior, and value co-creation as well as a special interest in literature review methodology. She has published in the Journal of Business Research , European Journal of Marketing , Journal of Service Management and International Journal of Nursing Studies .

Literature Review
- What is a literature review?
- What is its purpose?
- 1. Selecting your topic
- 2. Setting the topic in context
- 3. Looking at information sources
- 4. Using information sources
- 5. Getting the information
- 6. Organizing information (information management)
- 7. Positioning the literature review
- 8. Writing the literature review
About this guide
This research guide was developed for students at Bloomsburg University of Pennsylvania.
If you are a student from another school, you are welcome to peruse the guide, using the links above, but please know that our librarians can only provide general help to non-BU students. Contact the librarians at your own institution for help in using the resources available to you.
-Andruss Library
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. It should give a theoretical base for the research and help you (the author) determine the nature of your research. The literature review acknowledges the work of previous researchers, and in so doing, assures the reader that your work has been well conceived. It is assumed that by mentioning a previous work in the field of study, that the author has read, evaluated, and assimiliated that work into the work at hand.
A literature review creates a "landscape" for the reader, giving her or him a full understanding of the developments in the field. This landscape informs the reader that the author has indeed assimilated all (or the vast majority of) previous, significant works in the field into her or his research.
"In writing the literature review, the purpose is to convey to the reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. The literature review must be defined by a guiding concept (eg. your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries.( http://www.writing.utoronto.ca/advice/specific-types-of-writing/literature-review )
Recommended Reading
Acknowledgements
Many thanks to Kate Houston and Libbie Blanchard of CQ University Libraries, (Queensland, Australia) whose LibGuide on the Literature Review served as a framework for this guide.
Designed and updated by Michael Coffta
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Why is it important to do a literature review in research?

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“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.

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
- Scholarly books
- Scientific papers
- Latest studies in the field
- Established school of thoughts
- Relevant articles from renowned scientific journals
and many more for a field of study or theory or a particular problem to do the following:
- Summarize into a brief account of all information
- Synthesize the information by restructuring and reorganizing
- Critical evaluation of a concept or a school of thought or ideas
- Familiarize the authors to the extent of knowledge in the particular field
- Encapsulate
- Compare & contrast
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:
- It establishes the authors’ in-depth understanding and knowledge of their field subject
- It gives the background of the research
- Portrays the scientific manuscript plan of examining the research result
- Illuminates on how the knowledge has changed within the field
- Highlights what has already been done in a particular field
- Information of the generally accepted facts, emerging and current state of the topic of research
- Identifies the research gap that is still unexplored or under-researched fields
- Demonstrates how the research fits within a larger field of study
- Provides an overview of the sources explored during the research of a particular topic
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:
- Provides the interpretation of existing literature in light of updated developments in the field to help in establishing the consistency in knowledge and relevancy of existing materials
- It helps in calculating the impact of the latest information in the field by mapping their progress of knowledge.
- It brings out the dialects of contradictions between various thoughts within the field to establish facts
- The research gaps scrutinized initially are further explored to establish the latest facts of theories to add value to the field
- Indicates the current research place in the schema of a particular field
- Provides information for relevancy and coherency to check the research
- Apart from elucidating the continuance of knowledge, it also points out areas that require further investigation and thus aid as a starting point of any future research
- Justifies the research and sets up the research question
- Sets up a theoretical framework comprising the concepts and theories of the research upon which its success can be judged
- Helps to adopt a more appropriate methodology for the research by examining the strengths and weaknesses of existing research in the same field
- Increases the significance of the results by comparing it with the existing literature
- Provides a point of reference by writing the findings in the scientific manuscript
- Helps to get the due credit from the audience for having done the fact-finding and fact-checking mission in the scientific manuscripts
- The more the reference of relevant sources of it could increase more of its trustworthiness with the readers
- Helps to prevent plagiarism by tailoring and uniquely tweaking the scientific manuscript not to repeat other’s original idea
- By preventing plagiarism , it saves the scientific manuscript from rejection and thus also saves a lot of time and money
- Helps to evaluate, condense and synthesize gist in the author’s own words to sharpen the research focus
- Helps to compare and contrast to show the originality and uniqueness of the research than that of the existing other researches
- Rationalizes the need for conducting the particular research in a specified field
- Helps to collect data accurately for allowing any new methodology of research than the existing ones
- Enables the readers of the manuscript to answer the following questions of its readers for its better chances for publication
- What do the researchers know?
- What do they not know?
- Is the scientific manuscript reliable and trustworthy?
- What are the knowledge gaps of the researcher?
22. It helps the readers to identify the following for further reading of the scientific manuscript:
- What has been already established, discredited and accepted in the particular field of research
- Areas of controversy and conflicts among different schools of thought
- Unsolved problems and issues in the connected field of research
- The emerging trends and approaches
- How the research extends, builds upon and leaves behind from the previous research
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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Research Methods
- Getting Started
- Literature Review Research
- Research Design
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Literature Review
- What is a Literature Review?
- What is NOT a Literature Review?
- Purposes of a Literature Review
- Types of Literature Reviews
- Literature Reviews vs. Systematic Reviews
- Systematic vs. Meta-Analysis
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.
Also, we can define a literature review as the collected body of scholarly works related to a topic:
- Summarizes and analyzes previous research relevant to a topic
- Includes scholarly books and articles published in academic journals
- Can be an specific scholarly paper or a section in a research paper
The objective of a Literature Review is to find previous published scholarly works relevant to an specific topic
- Help gather ideas or information
- Keep up to date in current trends and findings
- Help develop new questions
A literature review is important because it:
- Explains the background of research on a topic.
- Demonstrates why a topic is significant to a subject area.
- Helps focus your own research questions or problems
- Discovers relationships between research studies/ideas.
- Suggests unexplored ideas or populations
- Identifies major themes, concepts, and researchers on a topic.
- Tests assumptions; may help counter preconceived ideas and remove unconscious bias.
- Identifies critical gaps, points of disagreement, or potentially flawed methodology or theoretical approaches.
- Indicates potential directions for future research.
All content in this section is from Literature Review Research from Old Dominion University
Keep in mind the following, a literature review is NOT:
Not an essay
Not an annotated bibliography in which you summarize each article that you have reviewed. A literature review goes beyond basic summarizing to focus on the critical analysis of the reviewed works and their relationship to your research question.
Not a research paper where you select resources to support one side of an issue versus another. A lit review should explain and consider all sides of an argument in order to avoid bias, and areas of agreement and disagreement should be highlighted.
A literature review serves several purposes. For example, it
- provides thorough knowledge of previous studies; introduces seminal works.
- helps focus one’s own research topic.
- identifies a conceptual framework for one’s own research questions or problems; indicates potential directions for future research.
- suggests previously unused or underused methodologies, designs, quantitative and qualitative strategies.
- identifies gaps in previous studies; identifies flawed methodologies and/or theoretical approaches; avoids replication of mistakes.
- helps the researcher avoid repetition of earlier research.
- suggests unexplored populations.
- determines whether past studies agree or disagree; identifies controversy in the literature.
- tests assumptions; may help counter preconceived ideas and remove unconscious bias.
As Kennedy (2007) notes*, 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 original studies. Third, there are the perceptions, conclusions, opinion, and interpretations that are shared informally that become part of the lore of 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 several approaches to how they can be done, depending upon the type of analysis underpinning your study. Listed below are definitions of types of literature reviews:
Argumentative Review This form examines literature selectively in order to support or refute an argument, deeply imbedded 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 to make summary claims of the sort found in systematic reviews.
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. A well-done integrative review meets the same standards as primary research in regard to clarity, rigor, and replication.
Historical Review Few things rest in isolation from historical precedent. Historical reviews are focused 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 [content], but how they said it [method of analysis]. This approach provides a framework of understanding at different levels (i.e. those of theory, substantive fields, research approaches and data collection and analysis techniques), enables researchers to draw on 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, and helps highlight many ethical issues which we should be aware of and consider as we go through our 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 analyse data from the studies that are included in the review. 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?"
Theoretical Review The purpose of this form is to concretely examine the corpus of theory that has accumulated in regard to an issue, concept, theory, phenomena. The theoretical literature review help 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.
* Kennedy, Mary M. "Defining a Literature." Educational Researcher 36 (April 2007): 139-147.
All content in this section is from The Literature Review created by Dr. Robert Larabee USC
Robinson, P. and Lowe, J. (2015), Literature reviews vs systematic reviews. Australian and New Zealand Journal of Public Health, 39: 103-103. doi: 10.1111/1753-6405.12393
What's in the name? The difference between a Systematic Review and a Literature Review, and why it matters . By Lynn Kysh from University of Southern California
Systematic review or meta-analysis?
A systematic review answers a defined research question by collecting and summarizing all empirical evidence that fits pre-specified eligibility criteria.
A meta-analysis is the use of statistical methods to summarize the results of these studies.
Systematic reviews, just like other research articles, can be of varying quality. They are a significant piece of work (the Centre for Reviews and Dissemination at York estimates that a team will take 9-24 months), and to be useful to other researchers and practitioners they should have:
- clearly stated objectives with pre-defined eligibility criteria for studies
- explicit, reproducible methodology
- a systematic search that attempts to identify all studies
- assessment of the validity of the findings of the included studies (e.g. risk of bias)
- systematic presentation, and synthesis, of the characteristics and findings of the included studies
Not all systematic reviews contain meta-analysis.
Meta-analysis is the use of statistical methods to summarize the results of independent studies. By combining information from all relevant studies, meta-analysis can provide more precise estimates of the effects of health care than those derived from the individual studies included within a review. More information on meta-analyses can be found in Cochrane Handbook, Chapter 9 .
A meta-analysis goes beyond critique and integration and conducts secondary statistical analysis on the outcomes of similar studies. It is a systematic review that uses quantitative methods to synthesize and summarize the results.
An advantage of a meta-analysis is the ability to be completely objective in evaluating research findings. Not all topics, however, have sufficient research evidence to allow a meta-analysis to be conducted. In that case, an integrative review is an appropriate strategy.
Some of the content in this section is from Systematic reviews and meta-analyses: step by step guide created by Kate McAllister.
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- Last Updated: May 31, 2022 6:52 PM
- URL: https://guides.lib.udel.edu/researchmethods

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What is related literature in research?
A review of related literature (RRL) is a detailed review of existing literature related to the topic of a thesis or dissertation. When going through the resources, make notes and identify key concepts of each resource to describe in the review.
What is the role of your related literature in your research?
Your literature review gives readers an understanding of the scholarly research on your topic. In your literature review you will: provide a synthesis of the issues, trends, and concepts surrounding your research.
How is literature defined?
Literature, in its broadest sense, is any written work. Etymologically, the term derives from Latin litaritura/litteratura “writing formed with letters,” although some definitions include spoken or sung texts. More restrictively, it is writing that possesses literary merit.
What are the 3 features of world literature?
Common Features Literature can be divided into three major types: prose (“ordinary language”), poetry (aesthetically structured language), and drama (literature intended for performance; drama may be composed in either prose or poetry).
What is the scope of literature?
The scope of literature. Literature is a form of human expression. Most theories of literary criticism base themselves on an analysis of poetry, because the aesthetic problems of literature are there presented in their simplest and purest form. Poetry that fails as literature is not called poetry at all but verse.
What is world literature examples?
Examples include the Bible, and the plays of William Shakespeare, both of which have been translated into more than 100 languages and are read or performed on every continent. Another example of this is the Lotus Sutra from 1st c. In addition to having legs, “World Literature” is literature that gains in translation.
What have you learned in literature?
When students study Literature, they learn to appreciate words and their power. They travel to other realms and times through the texts they read. They understand about their own culture and others’. Importantly, they learn to consider multiple perspectives and understand the complexity of human nature.
Which is the best literature in world?
Here is a list of 12 novels that, for various reasons, have been considered some of the greatest works of literature ever written.Anna Karenina. Greta Garbo in Anna Karenina. To Kill a Mockingbird. To Kill a Mockingbird. The Great Gatsby. F. One Hundred Years of Solitude. A Passage to India. Invisible Man. Don Quixote. Beloved.
What are the pieces of literature?
Examples of literary works:fiction.nonfiction.manuscripts.poetry.contributions to collective works.compilations of data or other literary subject matter.dissertations.theses.
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Pancreatitis is the disease that affects the organ of the pancreas and should be given early attention, since its complications are quite lethal and can involve other organs. This research work provides a compilation of important information that expresses, through its development, the most common complications associated with pancreatitis, especially in its hemorrhagic presentation, as well as the necessary treatments used in this condition. In the course of pancreatitis, the first two to four days of symptoms are the most important because this is the period during which 15% to 25% of patients progress to its severe form.
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XIII. Di Paolo, M. Marradi, I. Haemorrhagic complication of acute necrotizing pancreatitis presenting with sudden death. Journal of Forensic and Legal Medicine. Vol 13, Issue 5, July 2006, pages 271-273.
XIV. Gisbert Calabuig JA, Villanueva Cañadas E, Gisbet Grifo M.S. Cadaveric phenomena In Gisbert Calabuig JA. Legal Medicine and Toxicology. Villanueva Canadas E. 6th ed. Editorial Masson. Barcelona, 2004. Page 200.
XV. Etxeberria Lekuona D, Pueyo Royo A, Arteche Daubagna E, Maravi Pomar E. Acute Pancreatitis. Electronic book of Emergency Issues. Navarre Health Service.
XVI. Sarner M, Cotton PB. Classification of pancreatitis. Gut 1984;25:756-759.
XVII. Bradley EL. A clinically based classification system for acute pancreatitis. Summary of the International Symposium on Acute Pancreatitis, Atlanta. Arch Surg 1993:128:586-90.
XVIII. Dellinger EP, Forsmark CE, Layer P, Lévy P, Maraví-Poma E, Petrov MS, et al. Determinant-based classification of acute pancreatitis severity: an international multidisciplinary consultation. Ann Surg 2012;256:875-880
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XIX. Maraví-Poma E, Patchen Dellinger E, Forsmark CE, Layer P, Lévy P, Shimosegawa T, Siriwardena AK, Uomo G, Whitcomb DC, Windsor JA, Petrov MS, y Pancreatitis Across Nations Clinical Research and Education Alliance (PANCREA). Clasificación Internacional y Multidisciplinaria de la Pancreatitis Aguda: Edición española 2013. Med Intensiva 2014;38,4:211-217.
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How to write the Review of Related Literature and Studies

We are going to discuss review of related literature and studies or otherwise known as literature review. With this, I would like to establish the difference between literature and studies.
So, literature includes textbooks, newspapers, magazines, journals, manuals, that is relevant to the research being written, while studies include previous researches done relevant to the research being conducted by the writer.
To facilitate the discussion on how to write the review of related literature and studies, we can summarize the discussion into four parts and these are;
- Presentation
Now, that we have established the objectives of writing the review of related literature and studies, we are now going to go to the first stage which is survey.
- Survey: So, before any writing can be done, we need to as writers read, read and read, this is how we survey. This is how we establish the relevance of the materials that we are going to use, if they are genuinely related and relevant to the research that we are creating or writing. So, whether it is literature or studies, or researchers, or journals, manuals, newspapers, magazines, in order to establish this connection, or the connection of the content that we are reading to our research, we really need to religiously read the contents and the ideas behind the literature that we are going to use. The second stage of writing the review of related literature and studies is synthesis.
- Synthesis: This is the combination of two ideas, in this case, the idea of contained in the research that you’re doing, the objective of your research, what you want to establish in your research, and other part would be the idea behind the reference that you are using. Establishing the connection and the relevance of these two ideas would solidify the foundation of your research in the area or in the aspect of the argument that there is really a need to conduct the research. SIDENOTE: Before we proceed in review, we have already discussed two areas on how to write the review of related literature and studies. So number one is to survey to read, read and read. And the other one is to synthesize to combine these two ideas referring to the idea contained within your research and the idea contained within the reference. So, if you’re going to observe in the first stage, which is survey, you go through the materials that you find relevant to the research that you are doing. While on the second stage, which is synthesis, this is the time that you are going to start writing not only quoting the references that you use, but also discussing what idea, what theses that you have arrived at while reading the reference material. So, usually what we do when writing the review of related literature and studies is to cite the reference. So, this would include the name of the author or the year, if it is included in the format that you are using and then the idea contained in this reference , and then after the citation. That’s the time that you are going to write the inference that you have arrived in reading this particular idea from the reference that you got. So, this is called the synthesis. So, this is where you arrive at a new idea or establishing the relevance of the reference to the research that you are doing. So, again if I may, I would like you to observe while writing the pattern of citation and synthesis in your research paper. Okay, so, the third element in our discussion of writing the review of related literature and study is analysis.
- Analysis: We have to establish the relevance between the second element and the third element and try to develop a continuity on the discussion. So, the second element is synthesis, after synthesizing the references, whether it be literature or studies to the research that you are conducting, the third element which is analysis would fall under the following criteria. So, when you say analysis, we try to discuss the following;
- Identification of gaps or the limitations of your study : So, relating this with the previews element, which is synthesis, after going through the process of synthesizing, citing and reflecting all of the references that you were able to go through. In the analysis stage, you now try to present an idea where in your establish areas that were not covered by the previous references that you gone through. So, maybe you identify something that was not included in the study of this particular person, and you will be able to fill that particular gap or limitation of that study. So, that’s what you call identifying the gaps, identifying the gaps and assuring that in your study, this particular gap would be addressed. Okay, so, in cases where these gaps cannot be filled in with the research that you are currently writing, then part of the analysis would be the discussion or the presentation of further studies.
- Discussion or the presentation of further studies: So you would just state in this part of your research that this particular area that was not covered by your research in the research of other references could be the subject of further studies. And another area that you can look into, on the part of analysis would be reviewing areas of controversy.
- Reviewing areas of controversy: So there were studies that were conducted, but the results of that particular study was not conclusive. Therefore, controversy by the use of that term, arose and therefore you can further investigate on that particular controversy that was not answered by that particular research. Okay, so the last element in writing the review of related literature will be the presentation. 4. Presentation: Under this element we have to establish as writers the organization of your references.
- Organization of your references: organization does not just refer to how you arrange the references. So, it should be in a way that it reflects the deductive method of writing. So, you start from general information, the background, you can also include a bit of history and then after that you try to develop the coherence and relevance of your discussion by citing another reference that would slim down the discussion. So, from general to a more specific area, it may be from another country going to your continent, discussing the background the effect of the problem that you are writing in your research, and then moving on towards the more specific area of your study. So, it is a paragraph development where in you start from a general idea or information and then move on to a more specific up to the point where you reach the specific research problem that you are trying to present. This is what we mean by organization, not the literal ‘organization’ of your references, but the organization of your ideas.
I hope you were able to get the basic ideas on how to write and what to write in this part of your research.
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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:
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...
A literature review is a critical analysis of existing literature in a research field. It evaluates the contribution made by other researchers in that field and highlights gaps in knowledge that need to be addressed. To begin with, you can read a lot of articles, books, and other published works on the topics of your interest.
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.
The study of related literature implies locating, reading and evaluating reports of research as well as reports of casual information and opinions that are related to the individual's...
CHAPTER 2 REVIEW OF RELATED LITERATURE January 2019 Authors: Dr .AR .Saravanakumar Alagappa University Abstract Discover the world's research Public Full-text Content uploaded by Dr .AR...
Literature review is one of the pillars on which your research idea stands since it provides context, relevance, and background to the research problem you are exploring. Types of literature review Literature reviews can be categorized as experimental and theoretical.
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).
Literature Review: A formally written prose document very similar to journal articles. Many are incorporated directly into scholarly source material as part of the formal research process. The literature review is typically a required component of dissertations and theses. Annotated Bibliography :
B. Relevant Research. There are some scientific studies that investigated the students'. readiness in learning English through the blended learning method. First, Hamzah et al. (2020) investigated students' readiness for English learning through blended learning in their study. A total of 137 university students from a Melaka public ...
Your Literature Review Step 1 Step 2: Search Boolean Search Strategies Search Limiters ★ EBSCO & Google Drive Getting Started: Review the tabs in this section to explore how Librarians and Archer Library resources can help support you and your research during the literature review process. 1. Select a Topic
Quick Answer: The RRL ( review of related literature) is an overview of pre-existing literature which holds a relation to the topic of an individual's research, thesis, or dissertation topic. Moreover, through an RRL, researchers can identify potentially better topics through an excess of already available studies.
A review of related literature 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.
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 also provides valuable information about how to measure the research variables involved and what research designs will be most useful. A thorough literature review before the implementation of the study reflects the depth of discussion, analysis, and interpretation of findings.
Systematic review. A systematic review is a more detailed and comprehensive review compared to other types of lit reviews. It highlights any existing research evidence associated with a clearly defined research problem or question. The evidence is collected, analyzed, and reported in a summarized but detailed manner.
In addition, a literature review is an excellent way of synthesizing research findings to show evidence on a meta-level and to uncover areas in which more research is needed, which is a critical component of creating theoretical frameworks and building conceptual models.
REVIEW OF RELATED LITERATURE. ... Much more research has been done to investigate the connection between video gaming and school performance. Most researchers have reported negative correlations, based on time spent gaming, game content, and levels of player dependency. Clear and negative correlations have been found between the amount of time ...
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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.
Practical Research 1: Review of Related Literature
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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.
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.. Also, we can define a literature review as the collected body of scholarly works related to a topic:
A review of related literature (RRL) is a detailed review of existing literature related to the topic of a thesis or dissertation. When going through the resources, make notes and identify key concepts of each resource to describe in the review. What is the role of your related literature in your research?
Corpus ID: 141043513; Social work research on interventions for adolescent substance misuse: A systematic review of the literature @inproceedings{Kim2014SocialWR, title={Social work research on interventions for adolescent substance misuse: A systematic review of the literature}, author={Christine Kim}, year={2014} }
Pancreatitis is the disease that affects the organ of the pancreas and should be given early attention, since its complications are quite lethal and can involve other organs. This research work provides a compilation of important information that expresses, through its development, the most common complications associated with pancreatitis, especially in its hemorrhagic presentation, as well ...
The second stage of writing the review of related literature and studies is synthesis. Synthesis: This is the combination of two ideas, in this case, the idea of contained in the research that you're doing, the objective of your research, what you want to establish in your research, and other part would be the idea behind the reference that ...