If the assumption of sphericity is violated in a repeated measures design,an adjustment factor can be used to obtain new degrees of freedom for
A)IV.
B)Error.
C)both IV and Error.
D)none of these

Question

Quizplus · Accepted Answer

If the assumption of sphericity is violated in a repeated measures design, the adjustment factor (Greenhouse-Geisser or Huynh-Feldt) can be used to obtain new degrees of freedom for both the within-subjects (IV) and error terms. This adjustment is necessary to ensure valid statistical inference and prevent Type I errors. Therefore, option C is the correct answer.

If the Assumption of Sphericity Is Violated in a Repeated