Concept information
This concept has been deprecated.
Preferred term
meta analysis
Is replaced by
Definition
- [Geoff Cumming] Meta-analysis (MA) is the quantitative integration of empirical studies that address the same or\ similar issues. It provides overall estimates of ef fect size, and can thus guide practical\ application of research findings. It can also identify moderati ng variables, and thus contribute to\ theorybuilding and research planning. It overcomes many o f the disadvantages of null hypothesis\ significance testing... , "[David B. Wilson] Meta-analysis is a statistical method of synthesizing quantitative results across studies examining\ a common research question. This chapter discusses the logic and methods of meta-analysis with\ specific application to the field of criminology and criminal justice. A key feature of\ meta-analysis is the effect size, which encodes the study findings on a common index, such as the\ standardized mean difference, correlation coefficient, or odds-ratio... , "[Dean C. Adams] Meta-analysis is a statistical technique that allows one to combine the results from multiple\ studies to glean inferences on the overall importance of various phenomena. This method can prove to\ be more informative than common ''vote counting,'' in which the\ number of significant results is compared to the number with nonsignificant results to determine\ whether the phenomenon of interest is globally important. While the use of metaanalysis is\ widespread in medicine and the social sciences, only recently has it been applied to ecological\ questions... , "[Paulo Alfonso Bracarense Costa] Meta-analysis is a statistical procedure to do syntheses of evidences. In the production of\ scientific knowledge, in spite of paradigmatic skips of quality, the rising of the accumulation of\ acquired knowledge (based in camed studies) is, in the general, the way as science moves forward to\ accomplish new discoveries and to confirm other already obtained. The methods developed for the\ attainment of the meta-analysis, analysis of analyses previously accomplished, have been developed\ during this century... , "[Mark W. Russo] Meta-analysis is a systematic review of a focused topic in the literature that provides a\ quantitative estimate for the effect of a treatment intervention or exposure. The key to designing a\ high quality meta-analysis is to identify an area where the effect of the treatment or exposure is\ uncertain and where a relatively homogenous body of literature exists. The techniques used in\ meta-analysis provide a structured and standardized approach for analyzing prior findings in a\ specific topic in the literature...
Broader concept
Entry terms
- meta analysi
URI
http://vocabs.lter-europe.net/EnvThes/msa0651
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