African IQ scores are a matter of controversy among social scientists.<ref name="NatureIQ">[http://www.nature.com/hdy/journal/v92/n4/full/6800418a.html Book Review: IQ and the Wealth of Nations], ''Nature''</ref><ref name="AfricanIQ">[https://www.sciencedaily.com/releases/2010/01/100121155220.htm Controversial study of African IQ levels is 'deeply flawed'], Science Daily, January 21, 2010</ref> | African IQ scores are a matter of controversy among social scientists.<ref name="NatureIQ">[http://www.nature.com/hdy/journal/v92/n4/full/6800418a.html Book Review: IQ and the Wealth of Nations], ''Nature''</ref><ref name="AfricanIQ">[https://www.sciencedaily.com/releases/2010/01/100121155220.htm Controversial study of African IQ levels is 'deeply flawed'], Science Daily, January 21, 2010</ref> |