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Genetic and Environmental Contributions to the Development of Positive Affect in Infancy

We studied developmental changes in infant positive affect from 6 to 12 months of age, a time marked by increasing use of positive vocalizations, laughter, and social smiles. We estimated the magnitude of genetic and environmental influences on observed and parent reported infant positive affect acr...

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Détails bibliographiques
Publié dans:Emotion
Auteurs principaux: Planalp, Elizabeth M., Van Hulle, Carol, Lemery-Chalfant, Kathryn, Goldsmith, H. Hill
Format: Artigo
Langue:Inglês
Publié: 2016
Sujets:
Accès en ligne:https://ncbi.nlm.nih.gov/pmc/articles/PMC5367954/
https://ncbi.nlm.nih.gov/pubmed/27797564
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1037/emo0000238
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