Cohen's d is the:
A) method for calculating confidence intervals for the z test.
B) difference between the sample means divided by the standard error.
C) standardized difference between group means.
D) measure of statistical power.

Question

Quizplus · Accepted Answer

Cohen's d is a standardized measure of effect size, specifically the difference between two group means divided by the pooled standard deviation. It is commonly used to compare the effect of an intervention or treatment between two groups.

Cohen's D Is The