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You know the rumours, right?
According to popular stereotype, Blacks are well endowed and Asians have much smaller penises. Unfortunately, the prior research on this question mostly comes from self-reports and even some fraudulent data - hoaxes! Mulling over this important question with Emil Kirkegaard, we decided that race science really ought to do better in establishing what is probably one of the most widely believed racial differences of all. Unfortunately, I was not too keen on getting my hands dirty with this work so Emil suggested we recruit some experts in the field who were not so prudish. I got to work.
In our new paper Racial Differences in Sexuality: A Sex Worker Survey we did what it says on the tin - interview sex workers to establish the existence of racial differences in male sexuality. Overall we asked sex workers 13 questions on a range of topics. Each sex worker who answered had had sex with the race they had to describe, ensuring they could answer from their first-hand knowledge.
The first question asked about penis size. Lo and behold we found the sex workers to agree with the stereotypes!
If you want to see the other results you should really read the entire paper. The questions cover such a broad range of topics that it’s difficult to summarise in a single blog post. In the paper, we put each question into its context of popular stereotypes and the prior academic literature in Psychology, Anthropology and Evolutionary Biology. Nevertheless, it’s a short paper coming to 20 pages, half of which is made up of very large pictures.
But if you are pressed for time you can see the results for every question in my Twitter thread here. If you want to read a slightly broader summary you should read Emil’s here which he has also shared on Twitter.
Enjoy!
Racial Differences in Sexuality: A Sex Worker Survey
Clever methodology! And a fascinating topic. I wonder though about possible confounding selection biases to do with the sample of johns.
First: Men who use prostitutes are on average of lower social status. Black men are on average of lower social status. Could men with small penises also be on average of lower social status? If so, then you could be seeing an effect that men from higher social status ethnicities are mostly likely to use a prostitute if they have a small penis, whereas black men are nearly always of lower social status, so you are seeing their full range of penis sizes.
Second: Similar to above, but with the idea that white and Asian men would mostly only feel the need to use a prostitute if they were small-penised, whereas black men have such high libido that they visit prostitutes even if their penis is large. Again suggesting that a large range of black men visit prostitutes but only an unrepresentative sample of white and Asian men use them, selected specifically for their small penis size.
There is also the issue of showers-vs-growers. Black men, because of evolving in a hot environment, do not need to have their penes shrink much when not erect. Are the prostitutes all only reporting on erect size? Even if they intended to, these are just their self-reported impressions and as such may be biased by their simultaneous recollections of the flaccid size.
You could try interviewing Men who have Sex with Men (MSMs) as they would also see a wide variety of penii. Though that would also have selection biases, including that studies seem to show that homosexual men have larger penis size than average to begin with.