That was my first reaction, but: The effect is only present in courses with significant teacher–student interaction. When education is in-person, attractive s

That was my first reaction, but: The effect is only present in courses with significant teacher–student interaction. When education is in-person, attractive students receive higher grades in non-quantitative subjects, in which teachers tend to interact more with students compared to quantitative courses. If it was about getting study help, the effect would be mirrored in quantitative courses.