In a systematic review with a meta-analysis, researchers combine the results of each of the individual studies to create larger sample size (and therefore greater power), then re-run the statistics to capture the true magnitude of the effect. The single-effect measure calculated and reported when the results from all the studies are combined is called what?

A.Summary statistic

B.Power analysis

C.Confidence Interval

D.Chi square

E.Pearson’s co-efficient

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