Two-way Anova (5)

In the last exercise, we created a model with two main effects and 1 interaction effect. In this exercise we will interpret the interaction effect. Usually you would follow up an interaction effect to get more information on how to interpret your interaction effect. This is however beyond the scope of this course. To see once again what the interaction looks like, see the graph below:

Choose the best interpretation of the interaction effect as displayed in the graph above

Possible answers

The effect of genre on song duration becomes insignificant once the continent variable is included

The effect of genre is similar for European songs as for North American songs

The effect of genre on song duration is different for European than North American songs

Exercise

Two-way Anova (5)

Instructions

Possible answers