Time preferences and national IQ

Wang, M., Rieger, M. O., & Hens, T. (2016). How time preferences differ: Evidence from 53 countries. Journal of Economic Psychology, 52, 115-135. We present results from the first large-scale international survey on time preference, conducted in 53 countries. All countries exhibit hyperbolic discounting patterns, i.e., the immediate future is discounted more than far future….

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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. doi.org/10.1037/ebs0000181 ResearchGate I was asked to review this new book written by David Becker and Richard Lynn. It’s the long work in progress that James Thompson has blogged about on numerous occasions. This book presents the latest…

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Danish national IQ

Best estimate of Danish-Scandinavian IQ based on recent, large samples is ~103 relative to UK norms. What is the Danish national IQ? If we look at Lynn and Vanhanen 2012, it is estimated at 97.2. If we look at Becker’s re-analysis, it’s given at 98.45 (version 1.2). However, this is based on only two studies,…

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The national IQ of Nepal

There’s an interesting study making the rounds on Twitter: Great new study: In 2002, 1200 Nepalese pregnant women were randomly assigned to receive micronutrient supplements or not. Experimental children had heavier birthweights. Now, at age 12, there was no difference in Intelligence. @Shine_Daizy @marcelleprost t.co/ZyCtbJGEMs pic.twitter.com/V1iPbCxiES — John Protzko (@JProtzko) March 8, 2018 Dulal, S.,…

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