Remembering that a meta-analysis calculates one mean effect size using the effect sizes of several studies, assume you are conducting a meta-analysis over a set of five studies.

Remembering that a meta-analysis calculates one mean effect size using the effect sizes of several studies, assume you are conducting a meta-analysis over a set of five studies. The effect sizes for each study are: d= .45, d = .30, d = .42, d = .28, d = .17
11A) Calculate the mean effect size of these studies.
Answer
Work:
11B) Use Cohen’s conventions to describe the mean effect size you calculated in part (A).

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