I am sorry if this isnt clear but you are talking about professors at universities and people who are enrolling I dont see the link?

Well, many college students don't settle on a degree for the first year or two and it's pretty normal to switch majors. If you get through a few courses and there are no women role models in the department, I would guess that more women than men would switch to something else.

I would guess Now I understand what your saying.