In post hoc pairwise comparisons, if procedure A yields wider confidence intervals than procedure B does, which procedure is more powerful?
A) procedure A
B) procedure B
C) equally powerful
D) cannot be determined based on the information given

Question

Quizplus · Accepted Answer

Procedure B is more powerful because narrower confidence intervals indicate more precision in the estimate, which typically suggests a higher power to detect a true effect.

In Post Hoc Pairwise Comparisons, If Procedure a Yields Wider