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Tuesday, 24 July 2007
Correction on Turkey
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Apparently Wikipedia's numbers are verpfuscht.  Several readers have notified me as follows:
 
"Dear Derb—-The data you linked to gave an incorrect value.  Both IQ and the Wealth of Nations and the sequel, IQ and Global Inequality, give Turkey's mean IQ as 90."

Steve Sailer has written up the details.
Turkey's IQ structure appears to be fairly similar to Mexico's. Richard Lynn and Tatu Vanhanen in IQ and the Wealth of Nations do report one solid study of Turkey: the Raven's Standard Progressive Matrices was standardized on a representative sample of 2,277 Turkish children in 1992. The Turkish children averaged 90 on a scale in which the British average 100. Two studies of Turkish immigrants in the Netherlands reported averages of 88 and 85.
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Posted on 07/24/2007 1:24 PM by John Derbyshire
Comments
24 Jul 2007
Send an emailRebecca Bynum
There may be a case to be made that Islamic societies self-select for docility and possibly for lower IQ as well.  Not that there aren't a lot of very intelligent Muslims, but just that the process of conquest would tend to either drive out or kill the most intelligent and individualistic persons among the conquered.