Using a sample of 300 children aged 10 to 12 years old, a child psychologist examines how scores on a "violent behaviors" index relate to gender and amount of television watching per day (less than 2 hours, 2 to 4 hours, more than 4 hours). In his report, the psychologist writes, "The effect of the amount of television watching on the violent behaviors index was more pronounced for males than for females." The sentence quoted in the previous sentence indicates that
A) amount of television watching and gender are interacting variables.
B) amount of television watching and gender are confounding variables.
C) there is a main effect of gender.
D) amount of television watching and the violent behaviors score are not related.

Question

Quizplus · Accepted Answer

The sentence indicates that the impact of television watching on violent behaviors varies by gender, suggesting an interaction between the amount of television watching and gender, meaning these variables influence each other's effects on the outcome (violent behaviors index). This is the definition of interacting variables.

Using a Sample of 300 Children Aged 10 to 12