Beraldo (2010) and Cornoldi, Belacchi, Giofre, Martini, and Tressoldi (2010) (CBGMT) have eight criticisms of my paper (Lynn, 2010) claiming that the large north-south differences in per capita income in Italy are attributable to differences in the average levels of intelligence in the populations. CBGMT give results for seven data sets for IQs in…

This commentary on a paper by Douglas Detterman and others (EC 604 995), which tested a model assessing basic cognitive abilities in young adults with and without mental retardation, criticizes the paper for drawing conclusions not justified by the empirical results. (JDD)

The preceding article by Robert Sternberg implicitly accepts the idea that there is a single human potential called "intelligence" that is scientifically measurable. Human beings do not possess any such generalized intelligence, however. Instead, each person possesses a mix of several basic intellectual competencies or…

This paper argues that using intelligence as an aptitude benchmark in defining reading disability conceals unsupported assumptions about educational potential and makes it difficult to differentiate the cognitive characteristics of dyslexic children from those of other poor readers. The use of a more educationally relevant aptitude measure such as…