The APA definition of a literature review (from http://www.apa.org/databases/training/method-values.html):
Survey of previously published literature on a particular topic to define and clarify a particular problem; summarize previous investigations; and to identify relations, contradictions, gaps, and inconsistencies in the literature, and suggest the next step in solving the problem.
Literature Reviews should:
Because literature reviews are a major part of research in psychology, Psycinfo allows you to easily limit to literature reviews. In the advanced search screen, you can select "literature review" as the methodology.
Now all you'll need to do is enter your search terms, and your results should show you many literature reviews conducted by professionals on your topic.
When you find an literature review article that is relevant to your topic, you should look at who the authors cite and who is citing the author, so that you can begin to use their research to help you locate sources and conduct your own literature review. The best way to do that is to use the "Cited References" and "Times Cited" links in Psycinfo, which is pictured below.
This article on procrastination has 423 references, and 48 other articles in psycinfo are citing this literature review. And, the citations are either available in full text or to request through ILL. Check out the article "The Nature of Procrastination" to see how these features work.
By searching for existing literature reviews, and then using the references of those literature reviews to begin your own literature search, you can efficiently gather the best research on a topic. You'll want to keep in mind that you'll need to summarize and analyze the articles you read, and won't be able to use every single article you choose.
You can use the search box below to get started.
Adelphi Library's tutorial, Conducting a Literature Review in Education and the Behavioral Sciences covers how to gather sources from library databases for your literature review.
The University of Toronto also provides "A Few Tips on Conducting a Literature Review" that offers some good advice and questions to ask when conducting a literature review.