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Social Studies, 08.04.2020 17:14 ringo12384

A team of researchers conduct an experiment to test the effectiveness of a new drug in treating anxiety disorders. The participants in the control group receive sugar pills without active ingredients, while those in the experimental group receive the new, anti-anxiety drug. In this example, the researchers use a:

A. double-blind procedure. B. correlation coefficient. C. placebo. D. single-blind procedure.

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