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Psychometrics

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Rindermann, Heiner, David Becker, and Thomas R. Coyle. 2020. “Survey of Expert Opinion on Intelligence: Intelligence Research, Experts’ Background, Controversial Issues, and the Media.” Intelligence 78 (January): 101406. Experts (N max = 102 answering) on intelligence completed a survey about IQ research, controversies, and the media. The survey was conducted in 2013 and 2014 using... Read More
"Intelligence researcher" doesn't exactly have a reputation as a safe, uncontroversial profession. There are perhaps 200 people in the world who do that full-time. Despite this small population, we seem to get a story - often multiple stories - of them getting denounced, defamed, deplatformed, threatened, and even physically attacked every single year. Thanks to... Read More
Meisenberg, Gerhard. 2019. “Should Cognitive Differences Research Be Forbidden?” Psych 1 (1): 306–19. In particular, Section 5 is a masterpiece in the art of reframing "liberal" objections to IQ research in a way that
Climate scientists and IQ researchers are both (largely) correct. Both of the sciences that they represent are hugely important for understanding the future, while both also have tribal ideological detractors on the right and left, respectively. Though this wasn't always so. For instance, Svante Arrhenius, the man who constructed the world's first climate model back... Read More
New paper: Warne, Russell T., and Cassidy Burningham. 2019. “Spearman’s G Found in 31 Non-Western Nations: Strong Evidence That G Is a Universal Phenomenon.” Psychological Bulletin. US: American Psychological Association.
Along with the Altai Republic, the city of Sevastopol (5.4/1,000 took the test) is Russia's most patriotic region; Crimea as a whole (2.2/1,000) is also well above the Russian average of 1.6/1,000. This is bearing in mind that they only joined the “experiment” midway through. Adjust for that, and Crimea as a whole becomes one... Read More
From a new paper by Mingrui Wang and Richard Lynn: It seems that rural Chinese teens in 2006 were already as bright as their urban counterparts in 1988.
Emil O. W. Kirkegaard - 2018 - Is national mental sport ability a sign of intelligence? An analysis of the top players of 12 mental sports [data] Ability in mental sports is g-loaded: The games used to test Chinda Chisala's thesis: For games, we included every esport listed at with at least 1,000 top players.... Read More
Just came back from a workshop on "Intelligence and Culture as Factors of National Competitiveness" organized by the Institute of Psychology RAS.
Kulivets & Ushakov – 2016 – Modeling Relationship between Cognitive Abilities and Economic Abstract: It's well established that there is a very close correlation between average national IQ and GDP per capita, especially when corrected for resource windfalls and Communism.
I posted about German regional academic performance back in 2016. The evidence seemed to indicate that German IQ was fairly uniform across Germany, once you took the immigrants out. However, soon afterwards I got the following curious email from one Carolin: You can read the report here (I can't read German so you'll have to... Read More
Will be going off to my dacha this week so probably not much poasting.
The population of the world's major regions according to the UN's World Population Prospects 2017 report. World Population Prospects (2017) 2015 2050 2100 WORLD 7,383,008,820 9,771,822,753 11,184,367,721 Sub-Saharan Africa 969,234,251 2,167,651,879 4,001,755,801 East Asia 1,635,150,365 1,586,491,284 1,198,264,520 South Asia 1,823,308,471 2,381,796,561 2,230,668,781 South-East Asia 634,609,846 797,648,622 771,527,666 MENA & C. Asia 551,964,576 850,895,914 1,045,856,658 Europe... Read More
Richard Lynn, Helen Cheng and Andrei Grigoriev - 2017 - Differences in the Intelligence of 15 Year Olds in 42 Provinces and Cities of the Russian Federation and Their Economic, Social and Geographical Correlates I don't know how, but Lynn, Cheng, and Russian psychometricist Grigoriev have managed to find Russian regional results for PISA 2015.
Grigoriev, Andrey & Lynn 2009 Studies of Socioeconomic and Ethnic Differences in Intelligence in the Former Soviet Union in the Early Twentieth Century Abstract: This is essentially a short history of psychometrics in the USSR/Russia. (1) The first measurement of Russian IQ was performed in 1909 by A.M. Schubert, who used the French Binet test... Read More
Ritchie, Stuart - 2017 - Review of The Rationality Quotient by Stanovich et al.
Whitley, Elise et al. - 2016 - Variations in cognitive abilities across the life course New paper by Elise Whitley et al. on age and sex differences in IQ for n=~40,000 British sample. Five tests: Word recall, verbal fluency, and subtraction (loading ~0.5 on g), and number sequence and numerical problem solving (loading ~0.7 on... Read More
There is a new expert survey out which, amongst other things, queries the world's top psychometrics experts on the future of the FLynn effect (Flynn + Lynn - clever).
Now that we have established that immigration is not much good, let's take a look at another component undergirding our transition to Idiocracy - the differential fertility rates of different IQ groups. This is a highly contentious topic, and not just on account of the usual political kurfuffles, but also on real disagreements as to... Read More
The commenter "m" did some calculations to work out the relative performance of different countries in PISA vs. TIMSS, and in Math vs. Science.
Here is the download link:
This year half of the top 10 best performing universities in the global ACM-International Collegiate Programming Competition were Russian. Place Name Solved Time Last solved 1 St. Petersburg State University 11 1560 290 2 Shanghai Jiao Tong University 11 1567 272 3 Harvard University 10 1358 269 4 Moscow Institute of Physics & Technology 10... Read More
Commentator jimmyriddle finds statistics about the ethnic composition of scientific cadres in the Soviet Union in 1973 via Cassad (the original comes via the blogger Burkino Faso).
I came across this map of German performance in math, biology, physics, and chemistry in the IQB-Ländervergleich 2012, a test they hold once every few years in conjunction with PISA. This is confirmed by the regional PISA results for 2009. What could possibly explain this?
Prolific IQ researcher Richard Lynn together with two Russian collaborators have recently published arguing that multiple aspects of socio-economic development - infant mortality, fertility, stature, and literacy-as-a-proxy for intelligence were significantly intercorrelated in late Tsarist Russia. Here is the link to the paper - Regional differences in intelligence, infant mortality, stature and fertility in European... Read More
Leonid Bershidsky is a democratic journalist who immigrated to Germany from Russia when Putin triggered him one too many times in 2014. Most of his articles deal with Eastern Europe in general and the Eternal Collapse of Russia under Putin in specific (though to be fair he is far from the worst Russia journalist out... Read More
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HBD, Hive Minds, and H+
Today is the publication date of Hive Mind, a book by economist Garett Jones on the intimate relationship between average national IQs and national success, first and foremost in the field of economics. I do intend to read and review it ASAP, but first some preliminary comments.
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Chanda Chisala's article on black/white IQ differences has been making quite the stir in the HBDsphere. It is well worth reading in its entirety, as some of the points he makes - e.g., the evidence for high IQ amongst certain African ethnic groups such as the Igbo - are quite compelling and novel even to... Read More
Why is the HBDsphere so damn interested in IQ, anyway? While I can't speak for the "movement" at large, in my own case the interest stems from the fact that it explains so much about our world. (In fact, I was interested in this topic long before I discovered HBD, Charles Murray, Jensen, Lynn, Rushton,... Read More
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In a new paper at the (conveniently open) journal The Winnower (h/t @whyvert), building on his earlier work, geneticist Davide Piffer has tried to calculate the genotypic IQs of various world populations, and how they compare to measured phenotypic IQ: Piffer, David - Estimating the genotypic intelligence of populations and assessing the impact of socioeconomic... Read More
Further to my post on the remarkable failure of Scandinavian education systems to develop their students to anywhere near the levels indicated by their IQ potentials, a professor of mathematics at a Wisconsin university sent me data on the percentage of respondents in the TIMSS who gave the correct answer to the following question: Below... Read More
I had been meaning to post about this for a long time. Better late than never, I suppose.The TIMSS and PIRLS are international assessments of academic ability in math, science and literacy that are conducted once every four years. They are similar to the PISA tests, although the latter are less purely academically focused and... Read More
Regular readers of this blog may remember my comments regarding Ron Unz's theory that East Asians have high IQ's independent of time/nutrition/urbanization whatever it is that causes the Flynn Effect. Here is his original article on his theory of the "East Asian Exception" and my two responses are here and here. Anyway a new paper... Read More
One of the books I've been reading lately is Steven Pinker's massive door-stopper The Better Angels of Our Nature. Incidentally, I found it a very interesting read with tons of cool factoids, although it could have done with a third of its text and a tiny fraction of its liberal sanctimonious. But that's for the... Read More
India backs out of global education test for 15-year-olds. Which of these Soviet leaders does this remind you of? Lenin, Stalin, Khrushchev and Brezhnev are all travelling together in a railway carriage. Unexpectedly the train stops. Lenin suggests: "Perhaps, we should call a subbotnik, so that workers and peasants fix the problem." Stalin puts his... Read More
Here is data from the Cognitive Abilities Test for UK students in 2009/10 via Ambiguous.
A few months ago I posted a table and map of Russian IQ's as derived from regional PISA performance. Those figures are based on Jarkko Hautamäki’s slideshow comparing regional PISA performance in Finland and Russia. That material is a bit inadequate because, as had been my custom up that point, I was only making IQ... Read More
My post on Indian IQ (max potential is low to mid 90's) spawned an interesting analysis by commentator rec1man. It is not very well organized but he does have a ton of useful information that deserves to be highlighted. It's reprinted in full below interspersed with occasional commentary by myself: 75% of the Indian population... Read More
In a 2010 paper on time preferences*, the authors Mei Wang et al. conducted an experiment in which participants could choose either $3400 now or $3800 a month later. Now I would choose the latter option but maybe it's just because I'm intelligent and have been living in the West for quite a while. In... Read More
The question of Indian IQ is a big puzzle. Far trickier than China's IQ which I think I've basically figured out (101-102 today; 106-108 genetic ceiling).
As human capital is so important for prosperity, it behoves us to know China's in detail to assess whether it will continue converging on developed countries. Until recently the best data we had were disparate IQ tests (on the basis of which Richard Lynn's latest estimate is an IQ of 105.8 in his 2012 book... Read More
Via The Audacious Epigone: IQ scores by US ethnic groups. It is not very useful I think in theoretical or practical applications but it is interesting as a showcase of why IQ is more than just genetic inheritance, incorporating also Flynn, sampling issues, sense of popular identity, selection bias, etc. Wordsum is basically a vocab... Read More
Anatoly Karlin
About Anatoly Karlin

I am a blogger, thinker, and businessman in the SF Bay Area. I’m originally from Russia, spent many years in Britain, and studied at U.C. Berkeley.

One of my tenets is that ideologies tend to suck. As such, I hesitate about attaching labels to myself. That said, if it’s really necessary, I suppose “liberal-conservative neoreactionary” would be close enough.

Though I consider myself part of the Orthodox Church, my philosophy and spiritual views are more influenced by digital physics, Gnosticism, and Russian cosmism than anything specifically Judeo-Christian.