We wish to test the hypothesis that music improves l... - Solved MCQs & Answer

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We wish to test the hypothesis that music improves learning. We compare test scores of students who study to music with those who study in silence, Which of the following is an extraneous variable in this experiments?

Athe presence or absence of music

Bthe students test scores

Csilence

Dthe amount of time allowed the studying

Correct answer

D. the amount of time allowed the studying

Explanation

The correct answer is the amount of time allowed the studying.

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