[quote=eavesdropper]I’d say that sociological pressures are the more likely reason for the female domination of teaching and nursing. Up until the early 70s, discrimination based on sex was common and absolutely legal…[/quote]
True, although bear in mind that people who were entering the workforce in the early 70s are now in their 60s and rapidly approaching retirement. Obviously there were attitudes that carried down from parents, but no one under 40 today was even alive in 1969 and no one under 50 was past grade school.
I’m kind of a fan of gender segregated classrooms. My knowledge of the research is that both boys and girls learn math better in a gender segregated environment.