If an experiment using a one-factor within-subjects design has four treatment conditions and uses a total of 12 participants, then the dfA × S equals.
A)36
B)11
C)33
D)47

Question

Quizplus · Accepted Answer

In a one-factor within-subjects design, dfA × S is calculated as (n - 1) × (k - 1), where n is the number of participants and k is the number of conditions. Here, n = 12 and k = 4, so dfA × S = (12 - 1) × (4 - 1) = 11 × 3 = 33.

If an Experiment Using a One-Factor Within-Subjects Design Has Four