When dealing with population means,the determination of whether an interaction is present is most readily made by examining the slopes of the lines in a given graph.

Question

Quizplus · Accepted Answer

When dealing with population means, examining the slopes of the lines in a given graph can reveal whether an interaction is present or not. Different slopes indicate that the effect of one variable on the outcome of interest depends on the level of another variable, which is a sign of interaction. Therefore, the statement is true.

When Dealing with Population Means,the Determination of Whether an Interaction