A Researcher Wants to Study the Effects of Caffeine on Student

question 22

Multiple Choice

A researcher wants to study the effects of caffeine on student performance on quiz scores.The research gives a caffeinated drink to half the students and a non-caffeinated drink to the other half of students.The researcher then measures quiz scores by counting the number of correct answers.Given the above scenario,what is the dependent variable?

• A) the number of correct answers on the quiz
• B) the number of students reporting that the consume caffeine everyday
• C) whether or not the students received a caffeinated drink during the study
• D) whether or not students like drinking caffeinated beverages

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