When experiments are used to determine whether therapy is effective,

Question

Quizplus · Accepted Answer

All of these statements are true regarding experiments to determine therapy effectiveness. A) Control groups often show improvement due to placebo effects or natural recovery. B) For therapy to be considered effective, the experimental group must show more improvement than the control group. C) A waiting-list control group is an ethical way to conduct research without denying treatment to participants, as they will receive therapy after the study.

When Experiments Are Used to Determine Whether Therapy Is Effective