Immigrant IQ gains by generation: evidence from PIAAC
Thanks to Chet Robie for sending me his study. There's been quite a bit of research on immigrant IQs. From within our network, Heiner Rindermann and James Thompson published a…
FAQ for “Cognitive ability and political preferences in Denmark” Kirkegaard, Bjerrekær, Carl (2017)
Kirkegaard, E. O. W., Bjerrekær, J. D., & Carl, N. (2017). Cognitive ability and political preferences in Denmark. Open Quantitative Sociology & Political Science, 1(1). Various critics of Noah Carl…
“a kind of social paranoia, a belief that mysterious, hostile forces are operating to cause inequalities in educational and occupational performance, despite all apparent efforts to eliminate prejudice and discrimination”
Quoting from Arthur Jensen's book Educability and group differences (1973). He was being criticized for postulating genetic causes, which some critics think would cause great social harm if they were…
The ‘attitude-achievement paradox’
Speaking of philosophy of science, one of the things about new paradigms is that they are supposed to solve anomalies of older paradigms. A while ago, Dalliard (2014) mentioned (in…
Death by affirmative action: race quotas in medicine
See also previous 2017 post. I have been repeatedly asked about this topic, so here is a post that covers the basics. The argument goes like this: Affirmation action is…
The northwest-southeast cline in Europe and the brain
A friend sent me this amazing study, seems to have been previously overlooked by hereditarians. Bakken, T. E., Dale, A. M., Schork, N. J., & Alzheimer’s Disease Neuroimaging Initiative. (2011).…
Before PISA and Binet
Some years ago, I discovered the Swiss dataset used in R. It has data from the late 1800s of Swiss subnational units, 47 French speaking 'provinces' i.e. sub-canton level (probably…
Extreme phenotype colorism
One prominent model for why (some) nonwhite race groups do worse is that they experience hostile experience based on skin color. For instance, Hunter (2007) writes: How does colorism operate?…
Thou shall not cite Richard Lynn
Thou should in fact basically copy his work, and then publish it in The Lancet, and then not cite him, or Heiner Rindermann, or David Becker, or Gerhard Meisenberg --…
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…
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