Difference scores are computed for
A)a t test for a single sample.
B)a t test for dependent means.
C)a t test for independent means.
D)all t tests when the degrees of freedom are less than 10.

Question

Quizplus · Accepted Answer

Difference scores refer to the paired scores in a t test for dependent means, which compares the means of two related groups. It is not used in a t test for a single sample or independent means. The size of the degrees of freedom does not affect the use of difference scores in t tests.

Difference Scores Are Computed for