I know what a literature review is and was wondering what makes such a review systematic? What extra steps do people usually go through when they do a systematic literature review? how is it different from regular literature review? The field is software engineering if it matters.
Answer
The quintessence of the systematic review is that it's, well, systematic. That is to say, you have a system by which you do the review: a detailed protocol that you work by, just like when you run experiments. The protocol sets out how you will define your search terms, where you will search, what your criteria are for inclusion are, what your criteria for exclusion are, and so on.
The idea is that, just as with an experiment's protocol, it would allow someone else to reproduce your work: in this case, your trawl through the literature. It gives you and your reviewers and readers a basis for assessing how comprehensive your review is. It may include a detailed protocol for quantitative meta-analysis or qualitative synthesis.
Systematic reviews can be hugely varied in form and scope: I've got 3 books that each provide part of the answer to this question. Check your library (possibly in the medical / epidemiological section) - they should have at least one of these.
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