Answered

A pharmaceutical company is conducting an experiment to test the effectiveness of a tricyclic antidepressant.
Which of the following, if true, would indicate that the experimenters used a placebo?

A. The participants were assigned to the experimental or control groups by drawing lots.

B. The participants were informed about the medication they would be taking and its possible side effects before starting the treatment.

C. The participants in both groups did not know if they were getting a real or a false treatment.

D. The research assistants who administered the drugs were asked to establish rapport with the participants.

Answer :

lanerichmond00

A placebo experiment is one that does no harm or good. A lot of the time researchers will have a. placebo group and a another control group with the actual treatment. The key in placebo is that no one knows if they have it or not. C

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