Multiple Choice
A primary study evaluated the effectiveness of a therapy designed to treat graduate students suffering from clown phobia. On the dependent measure of attraction toward clowns, the mean score for the treatment group is 5, whereas the mean score for the control group is 4. The pooled standard deviation is 2. Cohen's d is:
A) 5
B) 4
C) 2
D) 0.5
Correct Answer:
Verified
Correct Answer:
Verified
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