In a research study with an effect size of .20, the populations of individuals have an overlap of about:
A)25%
B)45%
C)65%
D)85%

Name: In a research study with an effect size of .20, the populations of individuals have an overlap of about: A)25% B)45% C)65% D)85%
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An effect size of .20 is considered small and suggests that there is a large overlap between the populations. Specifically, an effect size of .20 corresponds to approximately 85% overlap between the distributions of the two populations.

In a Research Study with an Effect Size of