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A literature review is an overview of previously published works on a particular topic. The term can refer to a full scholarly paper or a section of a scholarly work such as books or articles. Either way, a literature review provides the researcher /author and the audiences with general information of an existing knowledge of a particular topic.
The PRISMA flow diagram, depicting the flow of information through the different phases of a systematic review. PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) is an evidence-based minimum set of items aimed at helping scientific authors to report a wide array of systematic reviews and meta-analyses, primarily used to assess the benefits and harms of a health care ...
A systematic review is a scholarly synthesis of the evidence on a clearly presented topic using critical methods to identify, define and assess research on the topic. [1] A systematic review extracts and interprets data from published studies on the topic (in the scientific literature), then analyzes, describes, critically appraises and summarizes interpretations into a refined evidence-based ...
Review (literature review, systematic review) Meta-analytic (meta-analysis) Sometimes a distinction is made between "fixed" and "flexible" designs. In some cases, these types coincide with quantitative and qualitative research designs respectively, [6] though this need not be the case. In fixed designs, the design of the study is fixed before ...
The PICO framework is also used to develop literature search strategies, for instance in systematic reviews. [3] The PICO acronym has come to stand for: [4] [5] P – Patient, problem or population; I – Intervention; C – Comparison, control or comparator [6] O – Outcome(s) (e.g. pain, fatigue, nausea, infections, death)
[2] Developed in the context of the Journal of Economic Literature, the JEL classification system became a standard method of classifying economics literature, including journal articles, books, collective volume articles, dissertations, working papers in economics, book reviews from the Journal of Economic Literature, and EconLit. [3]
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A large number of hierarchies of evidence have been proposed. Similar protocols for evaluation of research quality are still in development. So far, the available protocols pay relatively little attention to whether outcome research is relevant to efficacy (the outcome of a treatment performed under ideal conditions) or to effectiveness (the outcome of the treatment performed under ordinary ...