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 How can the answer be improved?
A literature review can be a precursor to the introduction of a research paper, or it can be an entire paper in itself, acting as the first stage of large research projects and allowing the supervisor to ascertain that the student is on the correct path. For student researchers, review articles provide a great overview of the exisiting literature on a topic.
If you find a literature review that fits your topic, take a look at its referencesworks cited list for leads on other relevant articles and books! A literature review can also be a short introductory section of a research article, report or policy paper that focuses on recent research. In the anatomy of a scholarly research article example, the literature review is a part of the introduction.
A literature review or narrative review is a type of review article. A literature review is a scholarly paper, which includes the current knowledge including substantive findings, as well as theoretical and methodological contributions to a particular topic.
Before starting on the literature review section, you need to gather literature in some systematic way. The literature you find helps to determine whether the level of existing knowledge leads you to a clearcut prediction that you wish to test (i. e.a hypothesis) or to one or more research questions.