Calculate Cohen's d for t = 4.22 with N = 60 for each of the two groups.
A) .07
B) .39
C) .78
D) 1.11

Name: Calculate Cohen's d for t = 4.22 with N = 60 for each of the two groups. A) .07 B) .39 C) .78 D) 1.11
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Quizplus · Accepted Answer

Cohen's d is calculated using the formula $d = \frac{t}{\sqrt{N/2}}$. Plugging in the values given, $d = \frac{4.22}{\sqrt{60/2}} = \frac{4.22}{\sqrt{30}} \approx 0.77$, which rounds to .78, making option C correct.

Calculate Cohen's D for T = 4