Against trust in neuroscience
Neuroscience enjoys a good public perception of scientific rigor. Unfortunately, it's undeserved. Statistically speaking, a scientific field cannot be rigorous when it is underpowered and has a high researcher degree…
Motivation and IQ scores
Der er is a famous meta-analysis showing that motivation affects IQ scores to a substantial degree: Duckworth, A. L., Quinn, P. D., Lynam, D. R., Loeber, R., & Stouthamer-Loeber, M.…
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…
Tons of data on media bias in the USA
Wikipedia tells us: The Media Research Center (MRC) is an American politically conservative content analysis group based in Reston, Virginia, founded in 1987 by L. Brent Bozell III.[2] It characterizes…
Birth order effects and achievement: autism-hormonal model
Back in 2018, Scott Alexander published a troll post: Fight Me, Psychologists: Birth Order Effects Exist And Are Very Strong. From casual observation of people in rationalist community, and other…
Appearance on Jolly Heretic show with Ed Dutton, 20th July 2020
This was a live show with real viewer questions and our attempts to answer them. Read: wild speculation, and suggestions for research. Since Youtube is a piece of shit, here's…
Review: Psychological Testing: Theory and Practice (Colin Cooper)
Cooper, C. (2018). Psychological testing: theory and practice. Routledge. This is a pretty food good introduction to psychometrics (the science of psychological measurement). There is the now customary dislike for…
“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…
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