When experiments are used to determine whether therapy is effective, a _____ group is often used.

Question

Quizplus · Accepted Answer

A waiting-list control group is often used in experiments to determine whether therapy is effective. This group receives no therapy during the experiment period and serves as a comparison group to the therapy group. The waiting-list control group is included to account for the possibility that any changes observed in the therapy group are due to factors other than the therapy itself.

When Experiments Are Used to Determine Whether Therapy Is Effective