If sphericity is to be an issue in a repeated-measures design, what is the minimum number of conditions required?
A) 1
B) 2
C) 3
D) None of the above

Name: If sphericity is to be an issue in a repeated-measures design, what is the minimum number of conditions required? A) 1 B) 2 C) 3 D) None of the above
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Quizplus · Accepted Answer

Sphericity is a concern in repeated-measures designs when there are three or more conditions, as it involves the equality of variances of the differences between all combinations of conditions.

If Sphericity Is to Be an Issue in a Repeated-Measures