Neely is examining the graph of an interaction and sees that one line is flat and one line rises sharply to the right. Which of the following should Neely conclude?
A)There is no interaction.
B)There is a crossover interaction.
C)There is a spreading interaction.
D)There is a main-effect interaction.

Question

Quizplus · Accepted Answer

A spreading interaction is indicated by one line being flat and the other rising sharply, suggesting that the effect of one variable changes at different levels of another variable, rather than the lines crossing which would indicate a crossover interaction.

Neely Is Examining the Graph of an Interaction and Sees