How does the Greenhouse-Geisser correction work?
A) It works by adjusting the degrees of freedom (df) and making them smaller, which has the effect of making your analysis more significant.
B) It works by adjusting the degrees of freedom (df) and making them larger, which has the effect of making your analysis more significant.
C) It works by adjusting the degrees of freedom (df) and making them larger, which has the effect of making your analysis less significant.
D) It works by adjusting the degrees of freedom (df) and making them smaller, which has the effect of making your analysis less significant.

Question

Quizplus · Accepted Answer

The Greenhouse-Geisser correction adjusts the degrees of freedom downwards to correct for violations of sphericity in repeated measures ANOVA, making the statistical tests more conservative and thus less likely to find significance.

How Does the Greenhouse-Geisser Correction Work