richard lynn race differences in intelligence pdf

The data point for Mexico was based upon a weighted averaging of the results of a study of 'Native American and Mestizo children in southern Mexico' with result of a study of residents of Argentina. For instance, the 'data point' for Suriname was based on tests given to Surinamese who had migrated to the Netherlands, and the 'data point' for Ethiopia was based on the IQ scores of a highly selected group that had emigrated to Israel and, for cultural and historical reasons, was hardly representative of the Ethiopian population. Some points were not even based on residents of the country. 'The majority of the data points were based upon convenience rather than representative samples. In a 2008 review of the data used in Lynn's book, Hunt and Wittmann write:

Philippe Rushton, who argued for many of the same conclusions as Lynn and served with Lynn on the board of the Pioneer Fund, wrote a favorable review and called it Lynn's 'crowning achievement'. Many current ethnic groups would be mixtures of these races. Lynn defines races as the genetic clusters or ancestral population groups identified in previous genetic cluster analysis by Luigi Cavalli-Sforza and his colleagues in their 1994 book The History and Geography of Human Genes. The book claims to represent the largest collection and review of the global Intelligence Quotient (IQ) data, surveying 620 published studies from around the world, with a total of 813,778 tested individuals. Lynn's survey is an expansion by nearly four times of the data collected in his 2002 book IQ and the Wealth of Nations with Tatu Vanhanen, which dealt with the relationship between IQ and economic development. It was followed in 2008 by The Global Bell Curve. Reviews of the book fault the selection of data used, the methodology, and the conclusions drawn from the data, resulting in criticism that it is 'the sort of book that gives IQ testing a bad name.'Īs with Lynn's and Tatu Vanhanen's 2006 book IQ and Global Inequality, the book was published by Washington Summit Publishers.

The book reviews selected literature on IQ testing and argues that genetic racial differences exist, with a discussion of the causes and consequences. Race Differences in Intelligence: An Evolutionary Analysis is a 2006 book by controversial race and intelligence writer Richard Lynn.

Richard lynn race differences in intelligence pdf