A Research Example A crossover interaction in a 2 X 2 factorial experiment means that there

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A crossover interaction in a 2 X 2 factorial experiment indicates that the effect of one independent variable depends on the level of the other independent variable, which can occur even in the absence of main effects for either variable. This means the lines representing the different levels of one independent variable cross over each other when graphed against the dependent variable.

A Research Example a Crossover Interaction in a 2 X