Changes in heritability across increasing levels of behavior problems in young twins.

  title={Changes in heritability across increasing levels of behavior problems in young twins.},
  author={H Gjone and J. J. Stevenson and Jon Martin Sundet and Dag Erik Eilertsen},
  journal={Behavior genetics},
  volume={26 4},
The present study addresses the issue of differential heritability with increasing severity of parent-reported internalizing and externalizing behavior problems assessed by the Child Behavior Checklist. The sample includes 526 identical and 389 fraternal same-sexed twin pairs from five national birth cohorts, aged 5-6, 8-9, and 12-15 years. Heritability (h2), common environment (c2), and changes in these parameters as a function of proband score were analyzed by multiple regression models… CONTINUE READING

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