What is a literature review?
A literature review surveys scholarly articles, books and other sources (e.g. dissertations, conference proceedings) relevant to a particular issue, area of research, or theory, providing a description, summary, and critical evaluation of each work. The purpose is to offer an overview of significant literature published on a topic.
Similar to any primary research, development of the literature review requires four stages:
Problem formulation: which topic or field is being examined and what are its component issues?
Literature search: locate materials relevant to the subject being explored
Data evaluation: Determine which literature makes a significant contribution to the understanding of the topic
Analysis and interpretation: discussion of the findings and conclusions of pertinent literature
Literature reviews contain the following elements:
In evaluating each work, consider the following:
Provenance
Objectivity
Persuasiveness
Value
A literature review may constitute an essential chapter of a thesis or dissertation, or it may be a self-contained review of writings on a subject. The purpose is always to:
The literature review itself, however, does not present new primary scholarship.
Why do we write literature reviews?
Literature reviews provide you with a handy guide to a particular topic. If you have limited time to conduct research, literature reviews can give you an overview or act as a stepping stone.
For professionals, they are useful reports that keep them up to date with what is current in the field.
For scholars, the depth and breadth of the literature review emphasizes the credibility of the writer in his or her field. Literature reviews also provide a solid background for a research paper's investigation.
Comprehensive knowledge of the literature of the field is essential to writing theses and dissertations.