Taking the human extended phenotypes seriously
Back in 1982 Richard Dawkins wrote a book called The Extended Phenotype, which argued that the "phenotype should not be limited to biological processes such as protein biosynthesis or tissue…
Heritability, within and between groups
There is a new preprint that's making the rounds on Twitter: Schraiber, J. G., & Edge, M. D. (2023). Heritability within groups is uninformative about differences among groups: cases from…
What if somewhere, someone used to look at their polygenic scores?
Undark magazine has a new piece out where a journalist expresses concern about people looking at their own DNA results: From a Fledgling Genetic Science, A Murky Market for Prediction.…
Personality and politics of 263 occupations
Recently, I wrote about a great study showing the intelligence and crude personality differences between 300+ jobs. There is now a replication of this using a set of 263 occupations…
Youtube talk: Who Will Fight For Their Country Now?
Some time ago I went to the United Kingdom to give this talk at the Traditional Britain Group, which I just discovered has been posted on Youtube. It was a…
National “learning-adjusted years of schooling”
We've recently seen national "basic skills" and Team Economist is now back with another one: National "learning-adjusted years of schooling". We might say that national intelligence enjoys a paradoxical popularity.…
How much time should children be forced to spend in school?
Timothy Bates tweets a 2010 meta-analysis showing that students who attend more classes also attain higher grades: These results suggest that attending more classes causes students to learn more and…
Sasha Gusev won’t answer basic questions about his beliefs
Sasha Gusev is a statistical geneticist who spends a lot of time on Twitter. He has been attacking various behavioral genetics studies lately, thus earning some ire from people in…
Palestinians in your country: what to expect?
With a war looming and probably lots of Palestinian refugee applications on the horizon, I thought it would be wise to summarize what we have so far about them. The…
Carl Brigham on intelligence (1923): a fake quote
On various socialist and egalitarian writings as well as the academic literature, one can find attacks on intelligence testing due to the bad early guys. One common example is Carl…
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