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Read more about the article Race, intelligence, and inequality in Brazil

Race, intelligence, and inequality in Brazil

  • Post author:Emil O. W. Kirkegaard
  • Post published:7. May 2026
  • Post category:intelligence / IQ / cognitive ability/Sociology

Many years ago I discovered that Brazil publishes the subject level data for many scale testing efforts. These also come with rich surveys concerning the children's homes. The main tests…

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Preparation for: Municipality level social inequality in Brazil

  • Post author:Emil O. W. Kirkegaard
  • Post published:11. November 2016
  • Post category:Differential psychology/psychometrics/intelligence / IQ / cognitive ability/Sociology

I was reviewing a paper on social inequality in Brazil at the state level (I published one myself in 2015), and it struck me that one should be able to…

Continue ReadingPreparation for: Municipality level social inequality in Brazil

The S factor in Brazilian states

  • Post author:Emil O. W. Kirkegaard
  • Post published:30. April 2015
  • Post category:Differential psychology/psychometrics/intelligence / IQ / cognitive ability/Sociology

Abstract Sizeable S factors were found across 3 different datasets (from years 1991, 2000 and 2010), which explained 56 to 71% of the variance. Correlations of extracted S factors with…

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