For a main effect or an interaction to be significant, what value should the z-score ideally exceed?
A) 1.96
B) 2.50
C) 0.92
D) 1.30

Question

Quizplus · Accepted Answer

A z-score of 1.96 or greater indicates statistical significance at the 0.05 level, which is commonly used as the cutoff for significance. Therefore, this is the ideal value that a z-score should exceed in order for a main effect or interaction to be considered significant.

For a Main Effect or an Interaction to Be Significant