It is a general principle of evolutionary biology that when populations of species become isolated from one another they evolve into two or more sub-species. The Formation of Races, Varieties, and Breeds For a review, see Jason Malloy .Ĭhapter 2. Lynn also believes in Out of Africa, a popular but unconvincing theory. Also, the reliability of Lynn’s data has been vindicated by Rindermann ( 2007, p. Among other problems, there is a strong criticism from Wicherts about the IQ of Sub-saharan Africans, although Rushton and Jensen have replied to Wicherts. Fuerle, see chapter 29 of Erectus Walks Amongst Us). For instance, why is the IQ of jews so high ? In ancient times Middle-East was more advanced than western countries, while this tendency has been now reversed : there may be an explanation that fits well with hereditarian hypothesis but Richard Lynn did not cover the issue in this book (miscegenation may have played a role, according to Richard D. Unfortunately, there are several questions left unclear. He collected a bundle of data on IQ from different populations around the world. In Race Differences in Intelligence : An Evolutionary Analysis (also available in PDF), Richard Lynn made a massive contribution to the IQ-hereditarian thesis.
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