A recent post focused on racial differences in psychopathy, and while people know the obvious connection between being a psychopath and committing crimes, few realize that the correlation between a promiscuous lifestyle and psychopathy is about as strong. In fact, a lifestyle of casual sex is one criterion for diagnosing psychopathic personality. Evolutionary psychologists have developed the concept of sociosexuality, which refers to an interest in non-committal sex. The correlation between sociosexuality and psychopathy is roughly 0.4, an impressive number. It's strong enough that factor analysis would probably reveal one supertrait that underlies psychopathy, criminality, and sociosexuality--a syndrome we could call exploitativeness.
So, are there racial and ethnic differences in sociosexuality or exploitativeness (as indicated by high sociosexuality)? The General Social Survey does have one item used in sociosexuality inventories--the number of sexual partners since age 18. Let's pick an arbitrary cutoff--25+ partners--to indicate exploitativeness. For now, I will focus on men and will limit analysis to ethnic groups with at least 50 respondents (sample size = 10,789):
Percent with 25+ sexual partners since age 18
American Indian 18.2
Puerto Rican 15.7
Other Spanish 14.9
Percent for total sample 14.1
French Canadian 10.2
Asian Indian 4.1
You can see that by selecting a cutoff of 25 partners, this gives us 14.1% of US men being exploitative. More importantly for this post, we see tremendous diversity in this trait. Almost one-quarter of black men are exploitative compared to ZERO Chinese men. Looking at general patterns, Southern Europeans tend to have higher numbers, while Asians fall to the bottom. These patterns are consistent with numbers presented in Richard Lynn's Race Differences in Psychopathic Personality. He found high psychopathy among blacks and American Indians, moderate levels among whites, and low levels among Asians.
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