When an effect exists at one level of a second independent variable but is weaker or nonexistent at a different level of the second independent variable,the observed pattern is referred to as a:
A)cross-over interaction
B)spreading interaction
C)simple main effect
D)factorial

Question

Quizplus · Accepted Answer

A spreading interaction occurs when an effect is present at one level of a second independent variable but weaker or nonexistent at another level, indicating that the strength of the effect varies across levels of the second variable.

When an Effect Exists at One Level of a Second