When sphericity has been violated in an RM-ANOVA, which of the following can be used as a correction factor in the analysis?

Question

Quizplus · Accepted Answer

When sphericity has been violated in an RM-ANOVA, the most appropriate correction factor to be used is Epsilon multiplied by degrees of freedom. Epsilon is the measure of sphericity and is used to adjust the denominator degrees of freedom. This correction factor helps to ensure that the F-statistic is not inflated, which can lead to an increased likelihood of false positives. A and B are not correct as they involve multiplying Lambda instead of Epsilon. D is also not correct as it involves multiplying α which is a threshold for significance and not a correction factor for sphericity violation.

When Sphericity Has Been Violated in an RM-ANOVA, Which of the Following