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.

Question

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.

Quizplus · Accepted Answer

The number of hours the student spends studying is the variable being tested to see its effect on grades, so it would not be held constant.

What Would Not Be Held Constant in Testing a Theory