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[LIBRO][B] The intelligence of nations
I published the first study of national IQs and their correlates in 2002 in collaboration with the
political scientist Tatu Vanhanen. We published further studies on these in 2006 and 2012 …
political scientist Tatu Vanhanen. We published further studies on these in 2006 and 2012 …
Understanding the Simber Effect: Why is the age-dependent increase in children's cognitive ability smaller in Arab countries than in Britain?
Previous research indicates that the typical increase in IQ during childhood is greater in
European countries than in Arab countries. A systematic literature review of age-dependent …
European countries than in Arab countries. A systematic literature review of age-dependent …
A Negative Flynn Effect in Kuwait: The same effect as in Europe but with seemingly different causes
The results of two previously published Arabic language administrations of the Standard
Progressive Matrices (SPM) are compared. The first is an administration of the SPM in 2006 …
Progressive Matrices (SPM) are compared. The first is an administration of the SPM in 2006 …