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THE CORRELATION BETWEEN g LOADINGS AND HERITABILITY IN RUSSIA

Published online by Cambridge University Press:  28 October 2015

Ivan Voronin
Affiliation:
Psychological Institute of the Russian Academy of Education, Moscow, Russia Laboratory for Cognitive Investigations and Behavioural Genetics, Tomsk State University, Tomsk, Russia
Jan Te Nijenhuis*
Affiliation:
Work and Organizational Psychology, University of Amsterdam, the Netherlands
Sergey B. Malykh
Affiliation:
Psychological Institute of the Russian Academy of Education, Moscow, Russia Laboratory for Cognitive Investigations and Behavioural Genetics, Tomsk State University, Tomsk, Russia
*
1Corresponding author. Email: JanteNijenhuis@planet.nl

Summary

The study focused on the extent to which the general factor of intelligence g and heritability coefficients of the subtests of an IQ battery correlate. Modest to strong positive correlations were found in five studies from Western countries and six studies from a Japanese meta-analysis. The results for Russian twins were compared with those of the Western and Japanese studies. Data from 402 twins aged 13 and 296 twins aged 16 showed correlations of r=−0.45 and r=−0.60, respectively. It is concluded that the two data points are clearly not in line with established findings. It may be that the link between g loadings and heritabilities is more complex than previously thought.

Type
Research Article
Copyright
Copyright © Cambridge University Press, 2015 

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