_____ is a quantitative statistical analysis that compares and combines the results of individual but similar studies.

A quantitative statistical analysis of numerous distinct but related experiments or research to assess the statistical significance of the pooled results.

Some characteristics of meta analysis are-

The statistical method for merging data from various studies is called meta-analysis.
Meta-analysis can be used to pinpoint this common impact when the treatment effect (or effect size) is constant from one trial to the next.
Meta-analysis can be performed to determine the cause of variance in the effect when it differs between studies.
Regulatory agencies occasionally demand a meta-analysis as part of the approval process, which pharmaceutical companies employ to obtain clearance for new medications.
Meta-analysis is used by clinicians and applied researchers in a variety of sectors, including medicine, education, psychology, criminal justice, and many more, to identify which therapies are most effective.

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