A clinician claims that the effectiveness of a new treatment varies depending on the gender of the client. Specifically, the new treatment has been shown to be very effective for females, but the treatment has little or no effect for males. In this example, ____.
A) there is an interaction between the treatment and client's gender
B) there is no interaction between the treatment and client's gender
C) there is no main effect of treatment
D) there is no main effect of gender

Question

Quizplus · Accepted Answer

The statement indicates that there is a difference in the effectiveness of the treatment based on gender. This is indicative of an interaction between the treatment and the client's gender. This means that the effect of the treatment changes depending on whether the client is male or female. The lack of effect for males and effectiveness for females suggests that there is no main effect of treatment or gender, respectively.

A Clinician Claims That the Effectiveness of a New Treatment