Control Group in an Experiment
In an experiment, participants were randomly assigned to one of three different exercise programs. After 8 weeks, the cholesterol level of each participant was measured. Which of the following best describes the control group for this experiment?
A
Participants who don’t exercise at all
B
Participants with initially low cholesterol levels
C
Participants who don’t complete the full 8 weeks
D
There is no control group described in this experiment
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