Multiple Choice
In a study of the effects of exercise on cardiovascular fitness, a sport psychologist randomly assigned participants to one of four groups. Participants engaged in aerobic exercise for either 0, 15, 30, or 60 minutes three days a week for three months. Which of the following statements is true about this study?
A) There is no control group.
B) Participants in the control group did not exercise.
C) There are four independent variables.
D) The dependent variable has four levels.
Correct Answer:

Verified
Correct Answer:
Verified
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