When experiments are used to determine whether therapy is effective, the therapy can be deemed effective only if the

Question

Quizplus · Accepted Answer

The correct answer is C because in an experiment testing the effectiveness of a therapy, the therapy can be deemed effective if the experimental group (which receives the therapy) shows more improvement than the control group (which does not receive the therapy). This comparison allows researchers to attribute any differences in outcomes to the therapy itself.

When Experiments Are Used to Determine Whether Therapy Is Effective