Assessment of the Confidence Calibration Test + new test
Yesterday, I posted a new cognitive test on taketest.xyz, the Confidence Calibration Test. If you want to take the test without biased results, take it now before reading further. You…
Tattoos and piercings, what do they tell you about someone?
Richard Hanania and I recently wrote on Twitter/X: Naturally, my reply and his general level of trolling on the platform attracted a lot of angry, dumb replies from people with…
Within vs. between group correlations
Let's think about causality and group-level comparisons. Here I mean any type of group, whether nations, sub-national divisions (states, regions, provinces, communes), religious classifications, races, or any other grouping. Sometimes…
Mental illness and intelligence: the relationship is negative
This one keeps coming up whenever I post things about mental illness and X, like politics. So it's worth having a go-to summary for a popular audience. Mental illness is…
New paper and video out: The Negative Religiousness-IQ Nexus is a Jensen Effect on Individual-Level Data: A Refutation of Dutton et al.’s ‘The Myth of the Stupid Believer’
Dutton, E., & Kirkegaard, E. O. W. (2021). The Negative Religiousness-IQ Nexus is a Jensen Effect on Individual-Level Data: A Refutation of Dutton et al.’s ‘The Myth of the Stupid…