Politics from text — not so easy?
I came across this obscure study while doing some research on other matters. Yan, H., Lavoie, A., & Das, S. (2017). The Perils of Classifying Political Orientation From Text. Linked…
New paper out: book review of Lynn and Becker’s The Intelligence of Nations (2019)
Kirkegaard, E. O. W. (2019). Solid numbers, missed opportunities: Review of The intelligence of nations. Evolutionary Behavioral Sciences. https://doi.org/10.1037/ebs0000181 ResearchGate I was asked to review this new book written by…
National IQs from GRE, GMAT, TOEFL et al
Back in January, we published a paper showing that the obvious explanation of variation is in GRE scores by nationality/origin fits the data well. Pesta, B. J., Fuerst, J., Kirkegaard,…
Arab engineer IQ?
As others have pointed out many times (recently Richwine 2019), one cannot just use identical thresholds of educational attainment to select for identical levels of human capital (broadly conceptualized) among…
Massive Danish sibling study confirms Charles Murray’s findings
Massive sibling study just dropped, and was also presented at ISIR 2019. Hegelund, E. R., Flensborg-Madsen, T., Dammeyer, J., Mortensen, L. H., & Mortensen, E. L. (2019). The influence of…
ISIR 2019 talk: Machine learning psychometrics
Machine learning psychometrics: Improved cognitive ability validity from supervised training on item level data Andrew Cutler gave the talk since I was unable to attend. Slides are here: https://docs.google.com/presentation/d/1xxfYTWP2R0ZFvbI24sR1jVyFC_qN_Lw85782zE5Q2Jo/edit#slide=id.p Live…
Noah Carl crowdfunding online
As you probably know, Noah Carl was attacked by the Red Guards at his Cambridge job. Eventually, the college ended up firing him after months of harassment. This firing is…
Article out: First Names, Cognitive Ability and Social Status in Denmark
Kirkegaard, E. O. W. (2019). First Names, Cognitive Ability and Social Status in Denmark. Mankind Quarterly, 59(4). Retrieved from http://mankindquarterly.org/archive/issue/59-4/5 It is well established that general intelligence varies in the…
Persians and Parsis
One can find various quotes like this by Muslim philosopher Ibn Khaldun: Thus the founders of grammar were Sibawaih and after him, al-Farisi and Az-Zajjaj. All of them were of…
New paper out: Filling in the Gaps: The Association between Intelligence and Both Color and Parent-Reported Ancestry in the National Longitudinal Survey of Youth 1997
We've got a new important paper out in the special issue on race and intelligence in Psych: Hu et al, 2019, Filling in the Gaps: The Association between Intelligence and…
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