Multiple Choice
Dr. Reggie Lau carries out a study with a hypothesis that caffeine enhances performance in sports. He lets the experimental group consume 100mg of caffeine and does not give any caffeine to the control group. He then makes the participants sprint for 20 minutes. In this experiment, which of the following is the independent variable?
A) The group that does not get any caffeine
B) The group that consumes caffeine
C) The performance on the sprint
D) The duration of the sprint
Correct Answer:
Verified
Correct Answer:
Verified
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