Post hoc tests are computed ______.
A) prior to conducting a hypothesis test.
B) to determine which set of degrees of freedom can be attributed to the variability between groups
C) following a significant ANOVA test to make pairwise comparisons
D) to determine if groups means differ, even for tests in which the decision is to retain the null hypothesis

Question

Quizplus · Accepted Answer

Post hoc tests are conducted after a significant ANOVA test to make pairwise comparisons and determine which groups differ significantly from each other. They are not conducted prior to conducting a hypothesis test (choice A), to determine degrees of freedom (choice B), or to determine if group means differ when retaining the null hypothesis (choice D).

Post Hoc Tests Are Computed ______