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[update, June 2, 6:01 pm EST) a previous version of this article cited data that mixed cognitive empathy with emotional empathy. This error has since been corrected]

A study proves what women have known and exploited for centuries: men are autistic.

A sample of over 670,000 individuals took a battery of tests and questionnaires measuring autism quotient, empathy quotient, systemizing quotient, and sensory perception quotient.

The most interesting find was that on the eye test, a measure of cognitive empathy (ability to read what others are thinking), neurotypical men scored 25.54 (SD 4.57) and neurotypical women scored 27.42 (SD 3.43). From this I estimated the sex-combined neurotypical mean and SD are 26.48 and 3.92, respectively. Converting the sex-combined mean and SD to the familiar IQ scale (mean 100, SD 15), we get the following hierarchy of social intelligence:

Neurotypical women: social IQ 104 (SD 13.13)

Neurotypical men: social IQ 96 (SD 17.5)

Autistic men: social IQ 89 (SD 25.4)

Autistic women: social IQ 88 (SD 27)

Autism can be defined as the hyper-masculinization of certain parts of the brain, and people exposed to more testosterone during a critical period of brain development are more likely to be autistic, according to Simon Barron Cohen.

Also interesting is the incredible variability in each of the groupings. Nearly the full range of social intelligence is found in both sexes and in both autistics and neurotypicals. Even some autistics will be social geniuses and even some female neurotypicals will be socially retarded.

But on average, neurotypical females are about 8 IQ points more socially intelligent than men, which makes sense because men evolved to be useful idiots who work 48 hours a week to provide for their wives who stay at home watching Oprah, and then taking half the man’s money in divorce, and live five years longer.

Because females (on average) lacked the spatial and logical IQ to hunt food and build shelter, they evolved the social IQ to find a man who could these things for them.

However it should be noted that because of their greater variance (at least in this study), we’d expect social geniuses to be more likely to be male than female.