Suppose the cell means for a factorial ANOVA are presented as a line graph. Which of the following would indicate there was no significant interaction?
A) crossed lines
B) lines that look like a greater-than sign
C) an upside down V above a V
D) parallel lines.

Question

Quizplus · Accepted Answer

Parallel lines in a line graph representing the cell means of a factorial ANOVA indicate that there is no significant interaction between the factors. This is because the effect of one factor is consistent across the levels of the other factor, leading to parallel lines.

Suppose the Cell Means for a Factorial ANOVA Are Presented