[InclinedPlane]

Case in point: girls and boys are diagnosed with autism at wildly different rates. But how much of this is due to actual differences in the incidence of autism versus the differences in the way girls and boys are socialized resulting in different appearances of symptoms?

This is true of many behavioral and cognitive conditions. The symptoms and severity of things like schizophrenia vary significantly from culture to culture (in some cultures schizophrenics hear benign or even kind voices versus here in the western world where the voices tend to be harsh and violent).