A literature review provides a critical evaluation of the existing literature on a particular topic. The literature review is the foundation of your research report or thesis.
A literature review provides the context for your research, by examining and acknowledging the work of others, and allowing you to establish your position within your discipline's scholarly communication. It shows an examiner that you are familiar with significant research in your area and justifies the importance of your topic.
A literature review should address:
Courtesy of the University of Toronto:
Taylor, D., & Health Sciences Writing Centre University of Toronto. (n.d.). The literature review: A few tips on conducting it. Retrieved from:http://www.writing.utoronto.ca/advice/specific-types-of-writing/literature-review.