“Don’t underestimate the effect of stereotype threat! Women who are highly aware of the stereotype that women aren’t good at math perform worse when reminded of the stereotype! For example, if you remind a bunch of asian girls that they’re girls, and girls aren’t good at math, then you you test them on math, they do much worse than when you remind a bunch of asian girls that they’re asian, and asians are good at math. Tons of data to support this,but here’s a starting point: http://en.wikipedia.org/wiki/Stereotype_threat “