Expert opinion on race and intelligence
I was asked about survey data by various kinds of experts on race and intelligence. Happy to oblige, of course. Sean Last has already reviewed some of these last year,…
Free IQ tests that aren’t entirely terrible
People often ask me about this. Where can I get my IQ measured online with some decent reliability, scientific rigor etc., without paying? There's many scam sites, and many sites…
g and its origins: in favor of network psychometrics of intelligence
Someone sent me this email: Hello Emil I was wondering if you knew about any similar papers to this one: https://www.sciencedirect.com/science/article/abs/pii/S0160289608001591 Also, what are your thoughts on mutualism (which I…
https://www.nature.com/articles/s41525-018-0075-2
Population genetic variation and trait variation: not strongly related
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…
Nice 1100 IQ
Predicting aggregate intelligence level from non-cognitive data
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…
Expert assessment of The Bell Curve
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…
Public domain and/or open test items
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…
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.…
Enhancing archival datasets with machine learned psychometrics
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…
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…
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