Are PISA items biased?
Asil, M., & Brown, G. T. (2016). Comparing OECD PISA reading in English to other languages: Identifying potential sources of non-invariance. International Journal of Testing, 16(1), 71-93. The use of…
New paper out: Human Biodiversity for Beginners: A Review of Charles Murray’s Human Diversity
Kirkegaard, E. O. W. (2020). Human Biodiversity for Beginners: A Review of Charles Murray's Human Diversity. Mankind Quarterly, 60(3). Journal (gated) Human Diversity is Charles Murray’s latest book. This review…
Gap closers
A lot of these people. Ferguson, R. F. (1998). Can schools narrow the Black–White test score gap?. Kober, N. (2001). It Takes More Than Testing: Closing the Achievement Gap. A…
New paper out: Public Preferences and Reality: Crime Rates among 70 Immigrant Groups in the Netherlands
Kirkegaard, E. O. W. & de Kuijper, M. (2020). Public Preferences and Reality: Crime Rates among 70 Immigrant Groups in the Netherlands. Mankind Quarterly, 60(3) journal link (gated) We estimated…
Sesardić’s conjecture: preliminary evidence in favor
In Making sense of Heritability (2005), Sesardić wrote: On the less obvious side, a nasty campaign against H could have the unintended effect of strengthening H [hereditarianism] epistemically, and making…
Predicting IQ from genetics: how far have we come? [January 2020]
Counting significant hits was always a dumb way to measure progress in genomic prediction of a trait. Breeders using animals and plants never bothered with this approach and they used…
Stereotype threat: current evidence in January 2020
Stereotype threat is: a situational predicament in which people are or feel themselves to be at risk of conforming to stereotypes about their social group.[1][2] Stereotype threat is purportedly a…
Ken Richardson claims FAQ
A much more in depth reply to one of Richardson's papers was written by Zeke Jeffrey here. Since philosophy blogger RaceRealist is on a mission to promote Ken Richardson, it…
Studies using national IQs for predicting immigration outcomes
Below I list all the studies I am aware of that use national IQs in studies of immigrants, usually as an estimate of their IQ levels in the host country.…
New paper out: Racial and ethnic group differences in the heritability of intelligence: A systematic review and meta-analysis (Pesta et al 2020)
So, our big Scarr-Rowe meta-analysis dropped recently. I was traveling at the time, so there was a bit of a delay to this posting. I also recorded a long video…
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