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…

Continue ReadingA partial test of DUF1220 for population differences in intelligence?

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…

Continue ReadingFAQ for Dunkel et al 2019 Ashkenazim polygenic score for intelligence

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…

Continue ReadingEnvironmentalists like admixture analysis too (until they don’t)

It works in practice, but does it work in (my) theory?

There's a certain type of person that doesn't produce any empirical contribution to "Reducing the heredity-environment uncertainty". Instead, they contribute various theoretical arguments which they take to undermine the empirical…

Continue ReadingIt works in practice, but does it work in (my) theory?