Laura is a clinical research psychologist. She conducts an experiment that involves a placebo. Which of the following statements is true about her experiment?

A. Only the participants in the control group are aware of the purpose of the research.
B. Laura is unaware of the nature of the drug that is being administered.
C. All participants receive a treatment.
D. Only the participants in the experimental group are aware of the purpose of the research.


Answer: C

Psychology

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