A significant interaction is characterized by lines that are not parallel.

Question

Quizplus · Accepted Answer

In the context of statistical analysis, particularly when analyzing graphs of interactions between variables, a significant interaction is often indicated by lines that are not parallel. This non-parallelism suggests that the effect of one variable on the outcome depends on the level of another variable, which is the essence of an interaction effect.

A Significant Interaction Is Characterized by Lines That Are Not