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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