…Let us consider brown people in Peru, a small, heavily mestizo Andean nation of some thirty million. Let us also consider the International Math Olympiad, an annual contest of high-end mathematical talent around the planet. In 2012, Peru finished 16th. Results from the Olympiad vary considerably by year: In 2013, Peru finished 26th. Australia finished 15th and 27th in those two years (and Mexico 17th in 2013). Yet it is hard for me to see how an inherently stupid people could make it to 16th. This is especially puzzling because Peru does not have the highly developed mechanisms for discovering talent that America has.
I consequently suggest that race realists, at least with respect to South America, have become more racial than realistic and may suffer from a recto-cranial inversion. I hope that Fred on Everything can serve them as salutary forceps….
Regarding the IMO results, on the national level, a two minute google scholar search pulls up Rindermann’s (2011) sophisticated analysis. As expected, on average, Peru performs below (global) average. (Here.) The IMO results thus do not seriously disagree with the contemporaneous international test and IQ based ones varyingly reported by Hanushek and Woessmann (2010), Lynn and Vanhanen (2012), Altinok et al. (2013), etc. Not to mention other indexes of ability going back hundreds of years.
As for intra-national differences, it’s well known that self identifying Peruvian “indigenous” under-perform self identifying “non-indigenous”. Typical discussion:
The background and test score differences between indigenous and non-indigenous students give additional insight into the distinct challenges that indigenous students face. In every country, the test score gap between indigenous and non-indigenous students was greater in Spanish reading exams than in math exams, and the gaps in both subjects ranged between 0.6 and 1.1 standard deviations. (Hernandez-Zavala, M., Patrinos, H. A., & Sakellariou, C. (2006). Quality of schooling and quality of schools for indigenous students in Guatemala, Mexico and Peru (Vol. 3982). World Bank Publications.)
Presumably, self identifying indigenous (in the above sample) have more Amerindian ancestry. They do in other ones, ones which also show that education (negatively) correlates with Amer ancestry.
(From: Pereira et al. Socioeconomic and nutritional factors account for the association of gastric cancer with Amerindian ancestry in a Latin American admixed population.)
But the photos!
Reed’s Peruvian IMO Photo Proof (with composite national images for comparison)
Of the 23 Olympiads, 22 were males (shown) — a situation which confirms at least one stereotype. At least 2 of the 22 males (21 and 22) look distinctively Chinese Peruvian. Probably another over-representation. Of the remaining 20, #1-5 look more Spanish than average, #6-17 look about average, and #18-20 look more Amerindian than average. So 5/20 versus 3/20 which translates into a more-Spanish-ancestry advantage of about 1/3rd of a standard deviation. There we go.
Imaginable, Reed would judge things differently. Readers are free to offer their own opinions. Most, hopefully, would agree that this is a pretty awful method. Perhaps we could count Spanish surnames, instead.