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A Team of Researchers Conduct an Experiment to Test the Effectiveness

Question 142

Multiple Choice

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) a correlation coefficient.
C) a placebo.
D) a single-blind procedure.

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