Intelligence and PISA/TIMSS etc. at the individual level

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. (2007). The g‐factor of international cognitive ability comparisons: The homogeneity of results in PISA, TIMSS, PIRLS and IQ‐tests across nations. European Journal of Personality: Published…

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Why tracking COVID-19 hospitalization data makes sense

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 March 26th look like this: Why track hospitalizations instead of cases? Because the number of true cases is practically unknown due to lack of large-scale…

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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 the Programme for International Student Assessment (PISA) across nations, cultures, and languages has been criticized. The key criticisms point to the linguistic and cultural biases…

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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 bit of a mess and there’s no good randomized controlled trials. With that caveat, here’s some factors that probably contribute to the variation. Measuring COVID-19…

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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 link to these archives. Cannot even embed it in WordPress, and no reactions to it, so probably not shown to followers.   Original: https://medium.com/six-four-six-nine/evidence-over-hysteria-covid-19-1b767def5894 Archive.ph…

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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 digital phenotyping in the field of Psychoinformatics. The respective chapters, written by authoritative researchers, cover various aspects related to the use of these technologies in…

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Stereotype Accuracy: Toward Appreciating Group Differences by Yueh-Ting Lee, Lee J. Jussim, and Clark R. McCauley (1995, review)

Did anyone reads this 1995 edited book on stereotype accuracy? Seems it didn't get too much attention. It's on libgen.https://t.co/Gmb5LpLVgO pic.twitter.com/3rb6AmWVm3 — Emil O W Kirkegaard (@KirkegaardEmil) January 25, 2020 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…

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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. It’s been perhaps 6 months since a small group of people started targeting Bo Winegard specifically. The usual method is used: When the newspaper article…

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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 the regular donations page Video!  

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