Direct estimate of between group heritability with estimated polygenic scores
A while ago, I had an idea for a direct estimate of the between group heritability from polygenic scores. The idea is based on the old DeFries (1972) paper, which…
Of cats and dogs and men
Genetic variation between populations/races of a species is a nice single summary statistic about how large between population phenotypic differences to expect. In case of humans, this value (Fst, the…
Paige-Harden, Turkheimer and the psychometric left
Kathryn Paige Harden is professor of psychology who belongs to the Turkheimerian 'left psychometrics' school. I've discussed the odd behavior of Eric Turkheimer before, but since then I found a…
A partial test of DUF1220 for population differences in intelligence?
You might have heard the DUF1220 hypothesis, it goes something like this: DUF1220 is a copy number variant poorly tagged by arrays, and thus would not be captured well by…
FAQ for Dunkel et al 2019 Ashkenazim polygenic score for intelligence
Dunkel, C. S., Woodley of Menie, M. A., Pallesen, J., & Kirkegaard, E. O. (2019). Polygenic scores mediate the Jewish phenotypic advantage in educational attainment and cognitive ability compared with…
Updated 23andme results (2019-01-22)
Previous results. 23andme has updated their ancestry estimates, so I'm reposting mine for people who are wondering. The change to previously is that now I'm slightly more European: 99.8% vs.…
What you can’t say: genetic group difference edition
Paul Graham's 2004 essay What you can't say had a big influence on me and remains my favorite essay. In he argued essentially that popular morality shows fashion tendencies i.e.…
Environmentalists like admixture analysis too (until they don’t)
See previous post about quotes from the medical genetics and physical anthropology literature on admixture analysis and the causal interpretation. There's quite a few older admixture studies that examined relationships…
Admixture analysis and genetic causation: some quotes from the literature
A common comment on bias in scientific peer review is that reviewers don't usually say openly they are applying double standards. Instead, they just silently increase their standards. If their…
Genetic evidence for historical polygyny — Rushton vindicated?
Sometimes references are made to such findings. For instance, in Is There Anything Good About Men? (Roy F. Baumeister, 2007): Recent research using DNA analysis answered this question about two…
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