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 independent variable?
A) the number of caffeinated drinks the student consumes during the day
B) the number of correct answers on the quiz
C) the year in school of the students
D) whether the students receive the caffeinated drink or not
Correct Answer:
Verified
Correct Answer:
Verified
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