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What Would Not Be Held Constant in Testing a Theory

Question 26

Multiple Choice

What would not be held constant in testing a theory that if a student studies harder, he will get a better grade?


A) The course being taken.
B) The ability and effort of the other students in the class.
C) The grading scale in the course.
D) The number of hours the student spends studying.
E) All of the variables given would be held constant in testing such a theory.

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