Some studies seem to indicate it only applies to men, and other studies seem to indicate some ethnic groups are more affected than others.
This isn't the same as the old theory of phrenology because it is measurement based as opposed to racial biases.
[1] http://www.sciencedirect.com/science/article/pii/S0191886913...
[2] http://psycnet.apa.org/psycinfo/2014-19538-001/