(A brief search indicates there are several studies that suggest wearing glasses increases percieved intelligence (e.g. this and this (paywall)), but there are also some that suggest that it has no effect (e.g. this (abstract only)))
There definitely exists a stereotype that people that wear glasses are more intelligent. The cause of this common stereotype is probably that people that wear glasses are more intelligent.
In a Dark-Arts-y way, glasses?
(A brief search indicates there are several studies that suggest wearing glasses increases percieved intelligence (e.g. this and this (paywall)), but there are also some that suggest that it has no effect (e.g. this (abstract only)))
There definitely exists a stereotype that people that wear glasses are more intelligent. The cause of this common stereotype is probably that people that wear glasses are more intelligent.
But what’s the purported effect size?