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Difference of IQ from 2002 to 2006

Difference of IQ from 2002 to 2006 World Map
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November 13, 2012
World - Demography & Population
IQ
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by @ivanpellegrin
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Difference of IQ from 2002 to 2006

Difference of IQ from 2002 to 2006
IQ and Global Inequality
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