Multiple Choice
Experimental subjects are given a pill to test its effectiveness on reducing the duration of a cold. How should the control group be treated?
A) Do nothing with the control group.
B) Give the control group two pills instead of one.
C) Give the control group a pill that does not affect the duration of colds.
D) Let the control group choose whether or not to take any pills.
Correct Answer:
Verified
Correct Answer:
Verified
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