Chanda Chisala did not come up with the UK race gaps argument
Many people seem to have this impression. These arguments go back more than 10 years. This post quotes various UK newspaper articles going back to 2006: Underperformance of Poor White…
Many people seem to have this impression. These arguments go back more than 10 years. This post quotes various UK newspaper articles going back to 2006: Underperformance of Poor White…
I am finishing up a large study on smart fraction theory (intellectual classes model). To this end, I reviewed all the empirical papers on the topic, and some historical ones.…
See prior post on national IQs and who you can't cite. Economists and intelligence researchers don't generally talk: Test scores, on the other hand, offer direct measures of a variety…
See prior post on self vs. other measurements of personality for a similar take. Height is the favorite trait in 'behavioral' genetics: it's easy, fast and cheap to measure, continuous…
Some readers might remember back in 2007, it was widely reported that Chad James Watson has African ancestry: New York Times: DNA Pioneer’s Genome Blurs Race Lines A new analysis…
This was a live show with real viewer questions and our attempts to answer them. Read: wild speculation, and suggestions for research. Since Youtube loves censorship these days, here's the…
Neuroscience enjoys a good public perception of scientific rigor. Unfortunately, it's undeserved. Statistically speaking, a scientific field cannot be rigorous when it is underpowered and has a high researcher degree…
Der er is a famous meta-analysis showing that motivation affects IQ scores to a substantial degree: Duckworth, A. L., Quinn, P. D., Lynam, D. R., Loeber, R., & Stouthamer-Loeber, M.…
See also this post by greyenlightenment. There is a widespread (e.g. 1, 2, 3) but false belief that the 1970s supreme court case Griggs v. Duke Power Co., 401 U.S.…
A lot of national intelligence criticism focuses on the measurement validity. Are the scores really comparable across countries? Most of the criticism is armchair stuff, or vaguer claims based on…