“The Trouble with Boys”
Commenter Larry, from San Francisco, links to a working paper out of the National Bureau of Economic Research titled “The Trouble with Boys: Social Influences and Gender Gap in Disruptive Behavior”. The abstract:
This paper explores the importance of the home and school environments in explaining the gender gap in disruptive behavior. We document large differences in the gender gap across key features of the home environment – boys do especially poorly in broken families. In contrast, we find little impact of the early school environment on non-cognitive gaps. Differences in endowments explain a small part of boys’ non-cognitive deficit in single-mother families. More importantly, non-cognitive returns to parental inputs differ markedly by gender. Broken families are associated with worse parental inputs and boys’ non-cognitive development, unlike girls’, appears extremely responsive to such inputs.
Emphasis added. Of course single women will be better at raising girls since they themselves were girls and know how to handle girls. This same behavior gap exists in the classroom, and this can partially be attributed to boys and girls being taught almost exclusively by women. You hear a lot about inducing good teachers to blighted school districts, but you almost never hear about inducing men to teach boys.