When calculating a Cohen's d in a dependent samples t-test what does it tell us?
A) The extent the two groups are correlated
B) The size of the difference in standard deviation units
C) The level of statistical significance
D) The probability the independent variable had a true effect on the dependent variable.

Question

Quizplus · Accepted Answer

Cohen's d in a dependent samples t-test tells us the size of the difference between the two groups in standard deviation units. It is a measure of effect size, indicating the magnitude of the difference between the means of the two related groups.

When Calculating a Cohen's D in a Dependent Samples T-Test