Multiple Choice
Dr. Turner forms the hypothesis that ingesting caffeine prior to an exam will improve exam performance. In a study, she gives half of the participants coffee and the other half water. She then gives the participants an exam. In this experiment, what is the experimental group?
A) The group that drinks water
B) The performance on the exam
C) The group that has coffee
D) There is no experimental group as this is a case study
Correct Answer:
Verified
Correct Answer:
Verified
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