Comment on Preston and Campbell's "Differential Fertility and the Distribution of Traits"

  title={Comment on Preston and Campbell's "Differential Fertility and the Distribution of Traits"},
  author={James S. Coleman},
  journal={American Journal of Sociology},
  pages={1020 - 1032}
  • J. Coleman
  • Published 1 March 1993
  • Economics
  • American Journal of Sociology
Samuel Preston and Cameron Campbell have modelled the processes of assortative mating differential fertility and heritability of IQ to show that the common belief that higher reproduction rates by those who score lower on a particular measurable trait will lead to a reduction in the mean value of that trait from one generation to the next is often not correct. Reed and Reed in 1965 stated that the larger the family size the lower the average intelligence of the children in it although low-IQ… 
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