Multiple Choice
Susan wanted to know if aerobic exercise caused more weight loss than just walking. Susan had her experimental group do aerobic exercise for 20 minutes, 4 days a week. She weighed each subject before the experiment started and again 3 months into the experiment. The independent variable in her experimental research was _____
A) the subject's weight.
B) the exercise.
C) the amount of time the subject exercised.
D) the change in subject's weight at 3 months.
Correct Answer:
Verified
Correct Answer:
Verified
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