Article
A behavior-genetic study of parenting quality, infant attachment security, and their covariation in a nationally representative sample.
Developmental psychology - 1 May 2008
Roisman Glenn I, Fraley R Chris
Abstract excerpt
A number of relatively small-sample, genetically sensitive studies of infant attachment security have been published in the past several years that challenge the view that all psychological phenotypes are heritable and that environmental influences on child development--to the extent that they can be detected--serve to make siblings dissimilar. Using the twin subsample (N = 485 same-sex pairs) of the nationally...
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