What is a literature review? A literature review is a comprehensive study and interpretation of the literature (articles, studies, journals) for a specific topic (Aveyard 2014). The primary role of ...

This is done by: looking at gaps in the research, limitations placed upon the researchers, finding new relationships among the data and discusses areas where further research could be conducted.

A systematic review is a form of analysis that medical researchers carry out to synthesize all the available evidence on a particular question, such as how effective a drug is. A meta-analysis is a ...