What is the dependent variable

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An experimenter tests the hypothesis that caffeine improves student's performance on tests. Subjects in the experimental group drank three cups of coffee and then took a test on Monday or Tuesday. Subjects in the control group drank only water prior to the test, which occurred on Wednesday and Thursday. What is the dependent variable?

Reference no: EM131184365

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What is the dependent variable : An experimenter tests the hypothesis that caffeine improves student's performance on tests. Subjects in the control group drank only water prior to the test, which occurred on Wednesday and Thursday. What is the dependent variable
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