Researchers testing new drugs usually give the drug to one group of people and give placebos, “sugar pills,” to another group. The group receiving the placebo ________.
A. is needed so that the test will be repeated enough times
B. is the control group
C. constitutes the experimental group
D. is a backup in case some of the people getting the drug drop out of the test
Answer:B
Researchers testing new drugs usually give the drug to one group of people and give placebos, “sugar pills,” to another group. The group receiving the placebo ________.
A. is needed so that the test will be repeated enough times B. is the control group C. constitutes the experimental group D. is a backup in case some of the people getting the drug drop out of the test