Cohen's (1962)review of power in psychological studies revealed that
A)power levels were reasonable for most studies.
B)most researchers used large sample sizes to compensate for low power.
C)no study had power greater than 50%.
D)most studies were not worth repeating.

Question

Quizplus · Accepted Answer

Cohen's review highlighted that no study had power greater than 50%, indicating a significant issue with the statistical power in psychological research at the time. This low power means that many studies had a high risk of failing to detect true effects when they exist.

Cohen's (1962)review of Power in Psychological Studies Revealed That