What is a literature review?
The aim of a literature review is to show your reader (your tutor) that you have read, and have a good grasp of, the main published work concerning a particular topic or question in your field. This work may be in any format, including online sources. It may be a separate assignment, or one of the introductory sections of a report, dissertation or thesis. In the latter cases in particular, the review will be guided by your research objective or by the issue or thesis you are arguing and will provide the framework for your further work.
It is very important to note that your review should not be simply a description of what others have published in the form of a set of summaries, but should take the form of a critical discussion, showing insight and an awareness of differing arguments, theories and approaches. It should be a synthesis and analysis of the relevant published work, linked at all times to your own purpose and rationale.
According to Caulley (1992) of La Trobe University, the literature review should:
· 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 summarising 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
A good literature review, therefore, is critical of what has been written, identifies areas of controversy, raises questions and identifies areas which need further research.
Structure of the literature review
The overall structure of your review will depend largely on your own thesis or research area. What you will need to do is to group together and compare and contrast the varying opinions of different writers on certain topics. What you must not do is just describe what one writer says, and then go on to give a general overview of another writer, and then another, and so on. Your structure should be dictated instead by topic areas, controversial issues or by questions to which there are varying approaches and theories. Within each of these sections, you would then discuss what the different literature argues, remembering to link this to your own purpose.
Linking words are important. If you are grouping together writers with similar opinions, you would use words or phrases such as:
similarly, in addition, also, again
More importantly, if there is disagreement, you need to indicate clearly that you are aware of this by the use of linkers such as:
however, on the other hand, conversely, nevertheless
At the end of the review you should include a summary of what the literature implies, which again links to your hypothesis or main question.
Writing the review
You first need to decide what you need to read. In many cases you will be given a booklist or directed towards areas of useful published work. Make sure you use this help. With dissertations, and particularly theses, it will be more down to you to decide. It is important, therefore, to try and decide on the parameters of your research. What exactly are your objectives and what do you need to find out? In your review, are you looking at issues of theory, methodology, policy, quantitive research, or what? Before you start reading it may be useful to compile a list of the main areas and questions involved, and then read with the purpose of finding out about or answering these. Unless something comes up which is particularly important, stick to this list, as it...
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