The Textbook Cites Research (Schellenberg & Winner, 2011) Exploring the Potential

The textbook cites research (Schellenberg & Winner, 2011) exploring the potential cognitive benefits of musical training. What did these researchers find?

A) On all tests, the scores of people with musical training were equivalent to the scores of those without such training.
B) On all tests, the scores of people with musical training exceeded the scores of those without such training.
C) As compared to people without musical training, people with musical training scored higher on auditory tests, but not on overall IQ tests.
D) As compared to people without musical training, people with musical training scored higher on auditory tests, language tests, and overall IQ tests.