satt comments on Scientific misconduct misdiagnosed because of scientific misconduct - Less Wrong

44 Post author: GLaDOS 10 June 2011 02:49PM

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Comment author: satt 11 June 2011 11:58:46PM 5 points [-]

Africans have average IQs of 70.

The best evidence available today indicates that this is simply false. A recent systematic literature review of Africans' performance on IQ tests other than Raven's Progressive Matrices finds an average IQ of around 82. An analogous review of results from Africans who took the Raven's Progressive Matrices finds a similar average of about 80.