Question: Given the following values for a desirable outcome variable such as self-esteem, the Cohen's d effect size is: Experimental group mean = 70 Control group

Given the following values for a desirable outcome variable such as self-esteem, the Cohen's d effect size is:

Experimental group mean = 70

Control group mean = 60

Standard deviation = 20

a. + 10.0

b. - 10.0

c. + 0.50

d. - 0.50

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