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Title: An experiment is being conducted to determine the effects of caffeine intake on student performance. ... Post by: yanamae on Jan 19, 2018 An experiment is being conducted to determine the effects of caffeine intake on student performance. One group is made to drink 5 cups of coffee, the other group drinks 1 cup of coffee. They then take the exam. The independent variable is ________.
a. the amount of caffeine consumed. b. the group membership. c. how alert the students are during the exam. d. the students' performance on the exam. Title: An experiment is being conducted to determine the effects of caffeine intake on student performance. ... Post by: ytrtry on Jan 19, 2018 Content hidden
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