The denominator of the Smith and Glass effect size is
A) the standard deviation of the control group.
B) the difference between means.
C) a weighted estimate of the population mean based on the means of both groups.
D) a weighted estimate of the population standard deviation based on the variability within both groups.

Question

Quizplus · Accepted Answer

The Smith and Glass effect size, often referred to as the standardized mean difference, uses the standard deviation of the control group as the denominator to standardize the difference between the means of the experimental and control groups.

The Denominator of the Smith and Glass Effect Size Is