We are currently undergoing maintainence, please come back soon. Jump to navigation Jump to search For the process in historical linguistics known quantitative analysis methods dissertation metanalysis, see Rebracketing. Graphical summary of a meta analysis of over 1,000 cases of diffuse intrinsic pontine glioma and other pediatric gliomas, in which information about the mutations involved as well as generic outcomes were distilled from the underlying primary literature. A meta-analysis is a statistical analysis that combines the results of multiple scientific studies.
A key benefit of this approach is the aggregation of information leading to a higher statistical power and more robust point estimate than is possible from the measure derived from any individual study. Meta-analyses are often, but not always, important components of a systematic review procedure. For instance, a meta-analysis may be conducted on several clinical trials of a medical treatment, in an effort to obtain a better understanding of how well the treatment works. The term “meta-analysis” was coined in 1976 by the statistician Gene V.
Glass, who stated “my major interest currently is in what we have come to call the meta-analysis of research. A meta-analysis is a statistical overview of the results from one or more systematic reviews. The precision and accuracy of estimates can be improved as more data is used. Inconsistency of results across studies can be quantified and analyzed. A meta-analysis of several small studies does not predict the results of a single large study.