I do remember learning about exactly what you're saying when I was in my first year of university, in introductory psychology (this was back in 2005). I tried to find the study I would have been taught, it looks like it may have been this:
https://www.jstor.org/stable/40062595
dbbshym t1_irfnhre wrote
Reply to Is the "average" human also the most attractive? by Byzantae
I do remember learning about exactly what you're saying when I was in my first year of university, in introductory psychology (this was back in 2005). I tried to find the study I would have been taught, it looks like it may have been this: https://www.jstor.org/stable/40062595