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You Conduct an Experiment on Twenty 18-Year-Old Male Subjects to See

Question 18

Multiple Choice

You conduct an experiment on twenty 18-year-old male subjects to see how various intensities of exercise influence heart rate.Which of the following is/are considered an independent variable?


A) age of subjects
B) sex of subjects
C) intensity of exercise
D) heart rate
E) More than one of the answers is correct.

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