For a paper in my cognitive psych class i must identify the independent and depe

Question

For a paper in my cognitive psych class i must identify the independent and dependent variables in the musics affect on academic performance. The testing procedure is 10 minutes of a Mozart piece, 10 minutes of a relaxation piece, and 10 minutes of silence before an IQ quiz (Stanford-Binet intellencence scale).Three tests were given, a pattern analysis test, multiple choice matrices test, and a multiple choice paper folding and cutting test (all three were at the .01 level of signifcance). Making them equal measures of abstract reasoning ability.
What were some variables the researchers controlled in their study? Why was this necessary?

Explanation / Answer

The independent variable is music and the dependent variable is academic performance. The variables that the researcher controlled was a fixed length of musical piece and varying measures of abstract intelligence. This is necessary to carry out because researchers must ensure that no extraneous variable impacts the IV-DV relationship.

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