The post you link to points out that the IQ values are estimated from SAT or GRE scores, and that most of the difference is explained by the quantitative sectio

The post you link to points out that the IQ values are estimated from SAT or GRE scores, and that most of the difference is explained by the quantitative section of the SAT. What that ends up showing is that social work and education are low-paid, low-prestige fields, which tend to employ more women.