The d statistic approximates effect size by measuring the difference between the experimental group mean and the control group mean, normed to the standard deviation. If the effect size is moderate, which of the following values of d would one expect to calculate?

Question

Quizplus · Accepted Answer

A moderate effect size according to Cohen's conventions is typically around d = .50. This value indicates a moderate difference between the experimental and control group means relative to the standard deviation.

The D Statistic Approximates Effect Size by Measuring the Difference