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The secular rise in IQs in the Netherlands: Is the Flynn effect ong?

Authors
Journal
Personality and Individual Differences
0191-8869
Publisher
Elsevier
Publication Date
Volume
43
Issue
5
Identifiers
DOI: 10.1016/j.paid.2007.03.016
Keywords
  • Flynn Effect
  • Secular Score Gains
  • Gscore
  • Gloadings
  • Iq Tests
  • Intelligence
  • Method Of Correlated Vectors

Abstract

Abstract IQ scores have been increasing over the last half century, a phenomenon known as the Flynn effect. In this study, we focused on the question to what extent these secular gains are on the g factor. Two IQ batteries: the Interest-School achievement-Intelligence Test (ISI) and the Groningen Final Examination Primary Education (GALO) yielded small and modest negative correlations between standardized gains and g loadings. As these studies employ large samples this suggests that the combined literature now shows a modest negative relationship between d (the secular change in test score) and g.

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