When we have related samples, the best measure of the effect size
uses
A) the standard deviation of the difference scores.
B) the standard deviation of the pretest scores (if they exist).
C) the pooled estimate of the pre- and post-score standard deviations.
D) none of the above

Question

When we have related samples, the best measure of the effect size
 uses
A) the standard deviation of the difference scores. 
B) the standard deviation of the pretest scores (if they exist). 
C) the pooled estimate of the pre- and post-score standard deviations. 
D) none of the above

Quizplus · Accepted Answer

The Answer of When we have related samples, the best measure of the effect size
 uses
A) the standard deviation of the difference scores. 
B) the standard deviation of the pretest scores (if they exist). 
C) the pooled estimate of the pre- and post-score standard deviations. 
D) none of the above

When We Have Related Samples, the Best Measure of the Effect