Roma/Gypsy IQ meta-analysis: 74
This was presented at London Conference in 2015. Not published so far because the authors "were busy". In that spirit, I shall leave out their names and post the results.…
Soviet and East German era (DDR/GDR) twin studies
I cover these here mainly because they are not widely known, and relate to ongoing discussions about the generalizability of twin estimates across time and space. To put things into…
Mankind Quarterly historical archive at unz.com
Many people don't know this, so I am posting here to increase awareness. Ron Unz (of unz.com fame) has a hobby of collecting scanned versions of older periodicals, anything goes…
Politically motivated retraction of benign national intelligence study by Clark et al (2020)
Original version: Clark, C. J., Winegard, B. M., Beardslee, J., Baumeister, R. F., & Shariff, A. F. (2020). Declines in Religiosity Predict Increases in Violent Crime—but Not Among Countries With…
“Self report bias hiding group differences in personality”
Anon writes me: Hi, Sorry for not tweeting this at you, I don't have a twitter. I saw this post: https://emilkirkegaard.dk/en/?p=8629 and this is more conjecture than anything, but perhaps when…
Self-teaching stats with R in 2020
See 2019 post on introductions to psychology etc. for broader coverage Anon asks me today: What would be the best way to quickly self-teach enough statistics to be able to…
Richard Haier on the Nature of Human Intelligence || The Psychology Podcast (Scott Barry Kaufman)
There's a new interview/podcast-video out, with Richard Haier, the editor in chief of Intelligence journal. https://www.youtube.com/watch?v=dQR8BrGasSQ Here's the contents/times. I have bolded the topics probably of most interest to readers…
How to read SlateStarCodex (Scott Alexander) blog
TL;DR tweet version of this post. The cultural revolution has come to SlateStarCodex (which now also has a Wikipedia page). Journalist is threatening to reveal his real name and endanger…
Personality and Individual Differences censors skin color study (Rushton and Templer)
I hate censorship, so I repost the content they don't want you to read here. I'm hoping to contribute to a Streisand effect. This week, the time has come to…
Crime measurement and the black-white crime gap
A lot of instant experts have appeared on the black-white crime question. Many of these are somewhat unfamiliar with the quite large literature on the topic. The people who mostly…