When plotted on a graph, if the lines representing the effects of two variables are parallel, you have _______.
A)an interaction effect
B)no interaction effect
C)possibly an interaction effect
D)an effect that cannot be determined

Question

Quizplus · Accepted Answer

If the lines representing the effects of two variables are parallel, it means that the effect of one variable does not depend on the level of the other variable, indicating no interaction effect. However, it is important to note that there could be other factors affecting the relationship between the two variables that are not accounted for in the analysis.

When Plotted on a Graph, If the Lines Representing the Effects