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Do we know if that is because Runners and Musicians tend to be generally better educated and raised, both those things being markers of middle- and upper- class

• danaliv 10y ago
  They controlled for this. "Participants were roughly the same age — 18 to 25 — with comparable body mass index and educational levels."
  • SomeStupidPoint 10y ago
    Not to discredit them, because it's a hard problem, but it isn't a full control: even on a college campus (or looking at alumni) and controlling for weight, running and instrument training would still be proxies for various things about upbringing or current social status, and could account for the effects by selection bias. That said, I think this is introductory work on the topic and definitely justifies further inquiry.
    • danaliv 10y ago
      You're right; "control" may be too strong a word. In any case, they did at least consider it. :)
• Broken_Hippo 10y ago
  Just as a note: Runners might be more middle-to-upper class, but musicians aren't. It is more that some instruments can be expensive. Singing, rap, diy instruments aren't so, and neither is digital music. You do, however, tend to miss out on the physical aspect of playing some of the instruments with the digital music, but not much of the rest if you pay attention.