A two-factor study compares two different treatment conditions (factor 1)for males and females (factor 2).In this study,the males have an average score of 20 in the first treatment and an average of 25 in the second.The females average 35 in the first treatment and 45 in the second.For this study,there is no interaction.

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An interaction effect in a two-factor study occurs when the effect of one factor on the outcome variable differs depending on the level of the other factor. Here, the difference in scores between the two treatments is not consistent across genders (males show a difference of 5 points between treatments, while females show a difference of 10 points), indicating an interaction between treatment condition and gender.

A Two-Factor Study Compares Two Different Treatment Conditions (Factor 1)for