In the context of evaluating theories in psychology,_____ is a method that allows researchers to combine the results of several studies on a similar topic in order to establish the strength of an effect.

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Meta-analysis is a statistical method that can be used to combine the results of multiple studies and produce an overall effect size estimate. This method allows researchers to reach more reliable conclusions about the strength of an effect by incorporating data from many different studies, providing a more comprehensive view of the phenomenon under investigation. Replication, substantiation, and verification are all important concepts in evaluating theories in psychology, but they do not specifically refer to combining results from multiple studies.

In the Context of Evaluating Theories in Psychology,_____ Is a Method