Fall of the Roman Empire, polygenic score edition
We have a new study out: Piffer, D., Dutton, E., & Kirkegaard, E. O. W. (2023). Intelligence Trends in Ancient Rome: The Rise and Fall of Roman Polygenic Scores. OpenPsych,…
We have a new study out: Piffer, D., Dutton, E., & Kirkegaard, E. O. W. (2023). Intelligence Trends in Ancient Rome: The Rise and Fall of Roman Polygenic Scores. OpenPsych,…
Together with Sebastian Jensen, I have a new paper out: Jensen, S., & Kirkegaard, E. O. W. (2023). Honesty, Intelligence, and Race. OpenPsych, 1(1). https://doi.org/10.26775/OP.2023.07.17 Research shows that honesty correlates…
Richard Lynn passed away a few days ago in his sleep. His health had been in decline for some time, so his passing was expected. Still, it offers us a…
Anon asks on Twitter: i'm just curious. what's your favorite genre of music? It seems like a good diversion from the usual serious posting on the blog. What I listen…
Suppose you want to measure how well a country is doing. If you're an economist you will be immediately reaching for your trusted variant of the GDP per capita metric.…
About a month ago this very interesting paper was published: Wolfram, T. (2023). (Not just) Intelligence stratifies the occupational hierarchy: Ranking 360 professions by IQ and non-cognitive traits. Intelligence, 98,…
Back in 2021, Russell Warne wrote a nice summary article about race differences in intelligence: Warne, R. T. (2021). Between-group mean differences in intelligence in the United States are> 0%…
Richard Hanania has a new post out: Diversity Really is Our Strength. (Noah Carl has a reply here, and Seb Jensen has a reply here) His piece is part-troll, part-serious…
There's 100s of different mental tests, all of which measure intelligence to some degree or another. However, there is quite the difference between the degree to which the tests measure…
Erik Hoel recently wrote a piece with a lot of problems: Your IQ isn't 160. No one's is. Since it appears no one has written a reply, I will provide…