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.

Question

Quizplus · Accepted Answer

The researchers use a placebo, which is a substance or treatment with no therapeutic effect, given to the control group in order to evaluate the effectiveness of the new drug in the experimental group.

A Team of Researchers Conduct an Experiment to Test the Effectiveness