IQ testing in America: not banned
See also this post by greyenlightenment. There is a widespread (e.g. 1, 2, 3) but false belief that the 1970s supreme court case Griggs v. Duke Power Co., 401 U.S.…
National IQs: measurement invariance studies
A lot of national intelligence criticism focuses on the measurement validity. Are the scores really comparable across countries? Most of the criticism is armchair stuff, or vaguer claims based on…
Educational socialism
Some people think that human differences are just a matter of throwing enough money at the problem. Naturally, then, they always advocate for more educational spending whenever inconvenient gaps are…
“1990, London School comes to Manhattan”
Eminent intelligence researcher Linda Gottfredson has this photo from some conference in her interesting slides from the 2011 Eysenck lecture (The Sociology of Biological Intelligence) (in fact, she has a…
The Hispanic intelligence affair of 1988
Back in 1988, there was a now mostly forgotten controversy when another scholar dared to suggest genetic causation. In this case, it was about US Hispanics, not blacks/Africans. Since few…
Roma/Gypsy IQ meta-analysis: 74
This was presented at London Conference in 2015. Not published so far because the authors "were busy". In that spirit, I shall leave out their names and post the results.…
Soviet and East German era (DDR/GDR) twin studies
I cover these here mainly because they are not widely known, and relate to ongoing discussions about the generalizability of twin estimates across time and space. To put things into…
Richard Haier on the Nature of Human Intelligence || The Psychology Podcast (Scott Barry Kaufman)
There's a new interview/podcast-video out, with Richard Haier, the editor in chief of Intelligence journal. https://www.youtube.com/watch?v=dQR8BrGasSQ Here's the contents/times. I have bolded the topics probably of most interest to readers…
Shuey (1966)
Audrey M. Shuey (who even has a barebones Wikipedia page) is one of the most important female early researchers in intelligence research along with Barbara Burks and Leta Hollingworth. Shuey,…
New study & video out: Pupil size and intelligence
Also, the front page is now updated and runs in Django. This is much easier to manage than the old PHP site, but the front page currently redirects to the…
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