IQs by university degrees from SATs

There’s a bunch of these claims floating around. The good ones are based on Razib Khan’s 10 year old write-up, which I also reblogged later. It looks like this: The data are based on GRE scores (Graduate Record Examinations), that is, a scholastic test taken to attempt to get into graduate school, which for those…

People do not overestimate their romantic partner’s IQ by 30

It’s all based on this article, which received ample media attention: Gignac, G. E., & Zajenkowski, M. (2019). People tend to overestimate their romantic partner’s intelligence even more than their own. Intelligence, 73, 41-51. People can estimate their own and their romantic partner’s intelligence (IQ) with some level of accuracy, which may facilitate the observation…

Small children are not particularly creative

There is a meme among educationalists and other people who like unverifiable but inspirational quotes. It goes like this: One can find an endless number of popular articles repeating this claim: Evidence that children become less creative over time (and how to fix it) 98% of 5-year-olds are ‘creative geniuses’ The end of education Study…

Forecasts for the 2022 French election

Metaculus: Will Marine Le Pen win the 2022 French presidential election? Will Emmanuel Macron be re-elected as President of France in the 2022 Presidential Election? So let’s try! Let’s time I did one of these was for Brexit, and eye-balling the results makes us think this might end up the same way. So let’s see…

How bad is the Hungarian democracy? A quantitative approach

Hungarian president Viktor Orbán is not popular with western media and academics. This is obvious as he is a national conservative, and that’s the least favorite group according to journalist voting data across western countries: Still, the critics might be right. Their primary complaint is that Orbán’s has been tinkering with the democratic process in…

What have we learned from the 2022 education GWAS?

Okbay, A., Wu, Y., Wang, N., Jayashankar, H., Bennett, M., Nehzati, S. M., … & Young, A. I. (2022). Polygenic prediction of educational attainment within and between families from genome-wide association analyses in 3 million individuals. Nature Genetics, 1-13. We conduct a genome-wide association study (GWAS) of educational attainment (EA) in a sample of ~3…

Witty&Jenkins 1936 confirmed and debunked

There’s a really old study that is sometimes brought up. It was covered in depth by John Fuerst and HBD.info. I think Nisbett 2009 (Intelligence and how to get it, see this review by James Lee of GWAS fame) is the most comprehensive environmentalist case currently. He wrote: Witty and Jenkins (1934, 1936) identified from…

Male hair loss treatments: I think they work

Being the go-to science guy, I get questions like: so can something be done about my hair loss? The context of this is that I frequently talk about replication crisis, and pharma companies cheating with studies, most things sold in pharmacies not working etc., so the prior is skeptical. Still, some treatments do work. Are…