When the cell means from a factorial design are presented as a line graph, a significant interaction would be suspected if the lines
A) crossed
B) converged
C) either crossed or converged
D) neither crossed nor converged.

Question

Quizplus · Accepted Answer

A significant interaction in a factorial design suggests that the effect of one independent variable depends on the level of another independent variable. This is visually represented in a line graph by lines that either cross or converge, indicating that the relationship between variables changes across conditions.

When the Cell Means from a Factorial Design Are Presented