The effect size conventions proposed by Cohen are useful to researchers for:
A)predicting the value of the measured variable to use for the experimental condition
B)evaluating research results to determine if they are statistically significant
C)predicting the effect of a study on various populations
D)determining the power of a planned study

Question

Quizplus · Accepted Answer

Cohen's effect size conventions are primarily used for determining the power of a planned study, which involves estimating the capability of the study to detect an effect of a certain size if there is one.

The Effect Size Conventions Proposed by Cohen Are Useful to Researchers