In a Gelman-like approach to turning email replies into posts. Someone sent me this email: Thanks for answering this and the other email, and the links as well. I am…
Follow-up to my recent post on machine learning psychometrics. Some years ago, I read this paper by Gerhard Meisenberg: Meisenberg, G., & Williams, A. (2008). Are acquiescent and extreme response…
The Bell Curve (TBC) was widely criticized in the media. This is to be expected since the media are left-wing, and left-wingers hate HBD related content. What did the experts…
A little compilation since I get many questions about these. ICAR (International Cognitive Ability Resource), cognitive items. Public domain but not open This is probably the largest project of open…
Yes, I know, images are not working right now. It's due to site maintenance! Kirkegaard, E. O., Carl, N., & Bjerrekær, J. D. (2020). Are Danes’ Immigration Policy Preferences Based…
There's a large number of papers about the relationship between national intelligence and national scholastic scores, and to which degree the latter indexes the former. Some typical papers: Rindermann, H.…
Every day, I post the updated Danish COVID-19 hospitalization data on Twitter and Facebook The latest version is always available at https://rpubs.com/EmilOWK/COVID19_Denmark. The raw data are here. The figures for…
Today I was reading a paper advocating the idea that science is slowing down because we have changed to incentivizing boring stuff that gets cited a lot instead of potentially…
Asil, M., & Brown, G. T. (2016). Comparing OECD PISA reading in English to other languages: Identifying potential sources of non-invariance. International Journal of Testing, 16(1), 71-93. The use of…
It is by now obvious that there are some quite large differences in how much of an impact COVID-19 is having. As usual with social science, the evidence is a…