Which situation reflects a reactive effect?
A) Control subjects in an intervention study to reduce anxiety also experienced a reduction in anxiety.
B) The subjects in an intervention group continue the intervention after the study has ended.
C) Subjects become concerned after learning that they have received a placebo intervention.
D) Study subjects want to know the outcomes of the study.

Question

Quizplus · Accepted Answer

Correct A: Reactivity occurs when control subjects respond to the investigator not because of the treatment but because of being studied.
Incorrect B: Continuing a treatment after a study is over does not necessarily relate to reactive effects.
Incorrect C: After treatment is finished and the study is over,reactions to the use of a placebo should not cause reactivity.
Incorrect D: Wanting to know study outcomes after the study is finished does not generate a reactivity effect.

Which Situation Reflects a Reactive Effect