Literature review should include:
• compare and contrast different authors' views on an issue
• group authors who draw similar conclusions
• criticise aspects of methodology
• note areas in which authors are in disagreement
• highlight exemplary studies
• highlight gaps in research
• show how your study relates to previous studies
• show how your study relates to the literature in general
• conclude by summarizing what the literature says
The purposes of the review are:
• to define and limit the problem you are working on
• to place your study in an historical perspective
• to avoid unnecessary duplication
• to evaluate promising research methods
• to relate your findings to previous knowledge and suggest further research