Which procedure tests that statistical significance of all possible group differences between means even when no hypothesis about such differences exists?
A)internal comparison
B)non-experimental comparison
C)planned comparison
D)post-hoc comparison

Question

Quizplus · Accepted Answer

Post-hoc comparisons are used to test the statistical significance of all possible group differences between means when no specific hypotheses about such differences were made prior to the study. This approach is often applied after finding a significant overall effect to explore where the differences lie among groups.

Which Procedure Tests That Statistical Significance of All Possible Group