Genetic and environmental influences on vocabulary IQ: parental education level as moderator.

@article{Rowe1999GeneticAE,
  title={Genetic and environmental influences on vocabulary IQ: parental education level as moderator.},
  author={David C. Rowe and Kristen C. Jacobson and Edwin Jcg van den Oord},
  journal={Child development},
  year={1999},
  volume={70 5},
  pages={
          1151-62
        }
}
This article examines how parental education level moderates the genetic and environmental contributions to variation in verbal IQ. Data are from 1909 non-Hispanic Whites and African American sibling pairs from the National Longitudinal Study of Adolescent Health, which obtained nationally-based samples of identical (MZ) twins, fraternal (DZ) twins, full and half siblings, cousins (in the same household), and biologically unrelated siblings. In the whole sample, the variance estimate for… CONTINUE READING

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