A study was designed to determine how test scores on a 20-question test were related to the time spent studying for the test.

What are the independent and dependent variables for this study?

A. The independent variable is time spent studying, and the dependent variable is the number of questions on the test.

B. The independent variable is the score on the test, and the dependent variable is the number of questions on the test.

C. The independent variable is time spent studying, and the dependent variable is the score on the test.

D. The independent variable is the score on the test, and the dependent variable is time spent studying.

Question

Mathematics

Joe Shannon

8 July, 10:27

A study was designed to determine how test scores on a 20-question test were related to the time spent studying for the test.

What are the independent and dependent variables for this study?

A. The independent variable is time spent studying, and the dependent variable is the number of questions on the test.

B. The independent variable is the score on the test, and the dependent variable is the number of questions on the test.

C. The independent variable is time spent studying, and the dependent variable is the score on the test.

D. The independent variable is the score on the test, and the dependent variable is time spent studying.

+3

Answers (1)

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Ismael Noble · Answer 1

C because the time spent studying can be controlled, but the score is effected by the time spent studying; the independent variable controlls the dependent variable.