A Greenhouse and Geisser correction is a correction applied to
A) the mean.
B) the variance.
C) the degrees of freedom.
D) the interpretation.

Question

Quizplus · Accepted Answer

The Greenhouse-Geisser correction is applied to correct the degrees of freedom in repeated measures ANOVA. It assumes that the sphericity assumption (homogeneity of variances between conditions) is violated, and it adjusts the degrees of freedom to make the test more conservative. The correction is not applied to the mean, variance or interpretation.

A Greenhouse and Geisser Correction Is a Correction Applied to