Are PISA items biased?
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…
Between country variation in COVID-19 impact
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…
Medium censors Coronavirus post
I hate censorship, so here I provide backups. Note that Twitter censors linking to the archive.ph archived version, giving users a false error message. https://twitter.com/KirkegaardEmil/status/1241734643948359680 Twitter apparently auto-throttles tweets that…
Digital Phenotyping and Mobile Sensing by Harald Baumeister, Christian Montag (2019, book review)
Baumeister, H., & Montag, C. (Eds.). (2019). Digital Phenotyping and Mobile Sensing: New Developments in Psychoinformatics. Springer Nature. This book offers a snapshot of cutting-edge applications of mobile sensing for…
Stereotype Accuracy: Toward Appreciating Group Differences by Yueh-Ting Lee, Lee J. Jussim, and Clark R. McCauley (1995, review)
https://twitter.com/KirkegaardEmil/status/1220992959644082176 McCauley, C. R., Jussim, L. J., & Lee, Y. T. (1995). Stereotype accuracy: Toward appreciating group differences. American Psychological Association. http://93.174.95.27/book/index.php?md5=A0B7B83B064D2C087EEBDEA8032D90EA I recently tweeted this book, but didn't read…
Bo Winegard firing — time for action
Bo Winegard. I’ve Been Fired. If You Value Academic Freedom, That Should Worry You. Quillette. So it finally came to pass. This has been a long time in the coming.…
Human Biodiversity 2020 March Research Fundraiser!
We need more money to collect data etc., so donate us some! We set up a charity (US) for this. 'Official' tweet: https://twitter.com/KirkegaardEmil/status/1235907818127048704 Official link: https://charity.gofundme.com/o/en/campaign/hbd2020march Shortlink: http://tiny.cc/HBD2020Mar See also…
Species genetic variation and number of subspecies/races/breeds/breeding populations/clusters etc.
A straightforward research idea: Compare the recognized count of subspecies (races/breeds/breeding populations/clusters etc.) with measures of genetic variation. The most obvious is the Fst but it's not an optimal metric.…
Empirical effect size comparison studies (2020 overview)
Since I keep having to look for these, here's a compilation for ease of reference. Hemphill, J. F. (2003). Interpreting the magnitudes of correlation coefficients. American Psychologist. Ungated Discusses empirical…
New paper out: Human Biodiversity for Beginners: A Review of Charles Murray’s Human Diversity
Kirkegaard, E. O. W. (2020). Human Biodiversity for Beginners: A Review of Charles Murray's Human Diversity. Mankind Quarterly, 60(3). Journal (gated) Human Diversity is Charles Murray’s latest book. This review…
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