Africans, violence and genetics
Over on Twitter/X, science journalist i/o writes: I get replies all the time under my posts that suggest or claim that wildly disproportionate black violence and the apparently unmovable US…
Over on Twitter/X, science journalist i/o writes: I get replies all the time under my posts that suggest or claim that wildly disproportionate black violence and the apparently unmovable US…
Last year, this study was published: Brandt, V., Zhang, Y., Carr, H., Golm, D., Correll, C. U., Arrondo, G., ... & Cortese, S. (2023). First evidence of a general disease…
Some of my colleagues have a new paper out: Te Nijenhuis, J., Pesta, B. J., & Fuerst, J. G. R. (n.d.). General mental ability testing and adverse impact in the…
There are many studies that report correlations between intelligence -- however measured -- and economic outcomes, mainly (self-reported) income. This is however somewhat abstract since correlations are unitless. They don't…
Back in 2018, I wrote about classroom separation studies. It's one clever way to use the already existing twin data to examine specific environmental causes. Many people will claim that…
There's a new study out of note: Xia, R., Jian, X., Rodrigue, A. L., Bressler, J., Boerwinkle, E., Cui, B., ... & Fornage, M. (2024). Admixture mapping of cognitive function…
Hand grip strength is a pretty interesting measurement. Fast to do, reliable, and seemingly irrelevant to most of modern life devoid of physical labor. But it turns out to be…
The great David Rozado has a new study out on the politics of Wikipedia: Is Wikipedia Politically Biased?. He downloaded the English Wikipedia database, and analyzed whether the articles covering…
There's a new study out making the rounds, but first I want to divert and ask: Who invented admixture regression? Here I mean the analysis where admixture (ancestry) estimates of…
There's a number of studies that find that egalitarian cultural values correlates with larger not smaller actual measured sex differences. These are the first major studies using large international surveys:…