Based on that seminal work, That Swimsuit Becomes You: Sex Differences in Self-objectification, Restrained Eating and Math Performance, the American Psychological Association made mention of a study notes that

young women in swimsuits performed significantly worse on the (maths) problems than did those wearing sweaters

I can imagine some college girl, asked to put on a skimpy bikini, and then take a math test. Surprise! She didn't score as well as the women in regular school clothes. Clearly this implies the evil influence of the phallocracy. I'm sure with Lawrence Summers out of the way, this will end soon.