Suppose 11 participants were tested under four treatment conditions in a one-factor within-subjects design. The denominator of the F statistic for the analysis of variance would have degrees of freedom.
A)3
B)10
C)30
D)43

Question

Quizplus · Accepted Answer

In a one-factor within-subjects design, the degrees of freedom for the denominator (error term) is calculated as (n-1)(k-1), where n is the number of participants and k is the number of conditions. Here, n=11 and k=4, so (11-1)(4-1) = 30.

Suppose 11 Participants Were Tested Under Four Treatment Conditions in a One-Factor