If your Mauchly's test of sphericity for the repeated measures design is significant what do you have to do?
A) Apply the Greenhouse-Geisser correction.
B) Continue with the main analysis as normal as your test is significant.
C) Apply Bonferroni correction.
D) Apply post hoc test correction.

Question

Quizplus · Accepted Answer

When Mauchly's test of sphericity is significant, it indicates that the assumption of sphericity has been violated in a repeated measures design. To correct for this violation and ensure valid F-ratio tests, the Greenhouse-Geisser correction is applied to adjust the degrees of freedom of the F-tests.

If Your Mauchly's Test of Sphericity for the Repeated Measures