I came across an article that affirms
The Nurture Assumptionhttps://www.insidehighered.com/news/2015/02/18/athletes-take-easier-courses-fit-teammates-study-assertsBasically, researchers at UCLA and Princeton have concluded that Student Athletes throttle both the difficulty of classes they take and the effort/grade they achieve
so that they fit in with their peers.
“In order to fit in, athletes conform to the perceived (but false) social norm in their public behaviors, thus undermining their academic performance and simultaneously reinforcing the (false) social norm for the rest of their team,” the authors wrote.