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…
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…
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…
This sort of thing should not be necessary. However, due to long time mentally ill online stalker Oliver D. Smith (see here), and various people who repeat his lies and…
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…
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…
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…
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).…
A fellow emailed me asking for help on what to start reading to learn psychology and stats. The replication crisis means that most older psychology introductions should be viewed with…
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…
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…