Socioeconomic status modifies heritability of IQ in young children.

@article{Turkheimer2003SocioeconomicSM,
  title={Socioeconomic status modifies heritability of IQ in young children.},
  author={Eric Turkheimer and Andreana P. Haley and Mary Anne Waldron and Brian M D'Onofrio and Irving I Gottesman},
  journal={Psychological science},
  year={2003},
  volume={14 6},
  pages={
          623-8
        }
}
Scores on the Wechsler Intelligence Scale for Children were analyzed in a sample of 7-year-old twins from the National Collaborative Perinatal Project. A substantial proportion of the twins were raised in families living near or below the poverty level. Biometric analyses were conducted using models allowing for components attributable to the additive effects of genotype, shared environment, and nonshared environment to interact with socioeconomic status (SES) measured as a continuous variable… CONTINUE READING

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