It is possible for the results of a two-factor study to show an interaction even though there is no main effect for either factor.

Name: It is possible for the results of a two-factor study to show an interaction even though there is no main effect for either factor.
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An interaction occurs when the effect of one factor depends on the level of the other factor. This means that there may not be a simple main effect for either factor, but instead, their combination produces a significant effect.

It Is Possible for the Results of a Two-Factor Study