Which of the following descriptions of a line graph of cell means would indicate a significant interaction in a factorial ANOVA? Two lines that
A) cross like an X
B) come together like a greater-than sign
C) come together like a less-than sign
D) all of the other alternatives are correct.

Question

Quizplus · Accepted Answer

In a factorial ANOVA, a significant interaction is indicated by lines that are not parallel, which can include lines that cross like an X, or lines that converge or diverge (like a greater-than or less-than sign). All these patterns suggest that the effect of one factor depends on the level of another factor, which is the definition of an interaction effect.

Which of the Following Descriptions of a Line Graph of Cell