Article
Origins of individual differences in imitation: links with language, pretend play, and socially insightful behavior in two-year-old twins.
Child development - 1 Jan 2000
McEwen Fiona, Happé Francesca, Bolton Patrick, Rijsdijk Fruhling, Ronald Angelica, Dworzynski Katharina, Plomin Robert
Abstract excerpt
Imitation, vocabulary, pretend play, and socially insightful behavior were investigated in 5,206 same- and opposite-sex 2-year-old twin pairs in the United Kingdom. Individual differences in imitative ability were due to modest heritability (30%), while environmental factors shared between twins (42%) and unique to each twin (28%) also made significant contributions to the variance. Imitation correlated...
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