On a dubious theory of cross-country differences in intelligence
AbstractKanazawa (2007) offers an explanation for the variation across countries of average intelligence. It is based on the idea human intelligence is a domain specific adaptation and that both temperature and the distance from some putative point of origin are proxies for the degree of novelty that humans in a country have experienced. However the argument ignores many other considerations and is a priori weak and the data used questionable. A particular problem is that in calculating distances between countries it implicitly assumes that the earth is flat. This makes all the estimates biased and unreliable.
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Bibliographic InfoPaper provided by Geary Institute, University College Dublin in its series Working Papers with number 200931.
Length: 10 pages
Date of creation: 22 Oct 2009
Date of revision:
intelligence; measurement error; international comparisons;
Other versions of this item:
- Kevin Denny, 2009. "On a dubious theory of cross-country differences in intelligence," Working Papers 200918, School Of Economics, University College Dublin.
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