medium · GMAT Verbal
A university study found that students who took part in extracurricular music programs scored, on average, fifty points higher on the math SAT than students who did not. The school board argues that funding music programs is an effective way to raise math performance.
Which of the following, if true, most supports the school board's causal interpretation?
- Most students who enroll in the music programs come from high-income families that can readily afford extensive private academic tutoring.
- The math section of the SAT includes logical-reasoning questions, a skill that is also drawn upon when a musician reads and interprets musical scores.
- Participation in the music programs has separately been shown to improve students' social skills, classroom confidence, and ability to work in teams.
- Funding allocated to the university's music programs has increased steadily and substantially over each of the past ten academic years.
- A follow-up study found that previously non-musical students who began music lessons saw their math scores climb significantly over two years.
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