A significant main effect always requires a post hoc analysis
A)if there are more than two levels
B)if there are only two levels
C)even if there is only one level of the main effect
D)when the interaction is not significant

Question

Quizplus · Accepted Answer

When there are more than two levels in a significant main effect, it's necessary to conduct a post hoc analysis to determine which specific groups differ from each other.

A Significant Main Effect Always Requires a Post Hoc Analysis