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.

Question

Quizplus · Accepted Answer

The independent variable is the one that is deliberately manipulated in order to see if it causes any change in another behavior or condition.

Susan Wanted to Know If Aerobic Exercise Caused More Weight