Genetic influences on activity level in early childhood: do situations matter?

@article{Saudino2008GeneticIO,
  title={Genetic influences on activity level in early childhood: do situations matter?},
  author={Kimberly J. Saudino and Jeffrey A. Zapfe},
  journal={Child development},
  year={2008},
  volume={79 4},
  pages={
          930-43
        }
}
Although genetic influences on individual differences in activity level (AL) are well documented, few studies have considered the etiology of AL from a contextual perspective. In the present study, cross-situational and context-specific genetic effects on individual differences in AL at age 2 were examined. The AL of 312 twin pairs (144 monozygotic and 168 dzygotic) was mechanically assessed with actigraphs in the home and in laboratory test and play situations. AL displayed significant genetic… CONTINUE READING

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