Degrees of freedom adjustment factors for violation of the sphericity assumption result in degrees of freedom for ____ that are _____ the traditional degrees of freedom.
A)IV and error;less than or equal to
B)total and subject;less than or equal to
C)IV and error;greater than
D)total and subjects;greater than

Question

Quizplus · Accepted Answer

When the sphericity assumption is violated, the traditional degrees of freedom are too liberal, meaning that there is an increased likelihood of making a Type I error. Therefore, the degrees of freedom adjustment factor results in smaller degrees of freedom for both the within-subjects (error) and between-subjects (IV) variables, making them less than or equal to traditional degrees of freedom.

Degrees of Freedom Adjustment Factors for Violation of the Sphericity