Each of the following is needed to compute the estimated Cohen's d,except
A) the mean difference.
B) the standard error.
C) the standard deviation of difference scores.

Question

Quizplus · Accepted Answer

To compute the estimated Cohen's d, we need the mean difference and the standard deviation of difference scores. The standard error is not necessary as it reflects the variability of sample means and not the variability of the observed data.

Each of the Following Is Needed to Compute the Estimated