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