Hereditarian predictions
Putting these in writing in a single place for ease of reference. Unfortunately, no one wrote down all these predictions some years ago to show they really were predictions, but…
Quantitative genetic and natural selection: 2018-2020 studies
There are many studies that look at signs for selection using large genomic datasets. This post provides a selective summary of such studies from 2018 to now, so very recent…
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…
Smart fraction theory: literature collection
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.…
Macroeconomics and intelligence: a collection
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…
Beware small biases: the case of height
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…
Fake news on James Watson’s DNA
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…
Jolly Heretic show 24th August 2020
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…
Against trust in neuroscience
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…
Motivation and IQ scores
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.…
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