Author Question: Which of the following represents Cohen's rough estimates of small, medium, and large effect sizes? ... (Read 19 times)

maegan_martin · **on:** Jun 20, 2018

Which of the following represents Cohen's rough estimates of small, medium, and large effect sizes?

a. .20, .50, .80
b. .00, .50, 1.50
c. .80, .50, .20
d. .40, .50, .60

Question 2

When people such as Cohen say that a medium size difference has an effect size of .50, they are saying that we want the power for

a. one mean being half as large as another.
b. one mean being half a point larger than another.
c. one mean being half a standard deviation larger than another.
d. one mean being based on half as many subjects as the other.