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 styles related to low intelligence and education?. Personality and individual differences, 44(7), 1539-1550. Several lines of evidence suggest that acquiescent and extreme response styles are…

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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 cognitive ability/intelligence items. ICAR, cognitive items. Public domain (not copyrighted) but hidden away. Some key publications: Condon, D. M., & Revelle, W. (2014). The International…

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New paper out: Are Danes’ Immigration Policy Preferences Based on Accurate Stereotypes?

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 on Accurate Stereotypes?. Societies, 10(2), 29. Stereotypes about 32 country-of-origin groups were measured using an online survey of the adult, non-elderly Danish population (n =…

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