In a study of effects of alcohol on driving ability, the control group should be given
A)a high dosage of alcohol.
B)one-half the dosage given the experimental group.
C)a driving test before and after drinking alcohol.
D)no alcohol at all.

Question

Quizplus · Accepted Answer

The control group should be given no alcohol at all to serve as a baseline for comparison against the experimental group, which would receive alcohol. This allows researchers to observe the effects of alcohol on driving ability by comparing performances between the two groups.

In a Study of Effects of Alcohol on Driving Ability