Genetic and environmental influences on social support: the Swedish Adoption/Twin Study of Aging.

@article{Bergeman1990GeneticAE,
  title={Genetic and environmental influences on social support: the Swedish Adoption/Twin Study of Aging.},
  author={C. S. Bergeman and Robert Plomin and Nancy L Pedersen and Gerald E Mcclearn and John Richard Nesselroade},
  journal={Journal of gerontology},
  year={1990},
  volume={45 3},
  pages={
          P101-6
        }
}
A new direction in behavioral genetic research is the exploration of genetic influences on ostensibly environmental measures. The goal of the present study was to identify genetic as well as environmental influences that contribute to an individual's motivation and ability to create and maintain social support systems during the second half of the life course. One of the most powerful behavioral genetic designs is the combined twin/adoption design which is used in the Swedish Adoption/Twin… CONTINUE READING
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