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ERIC Number: EJ875881
Record Type: Journal
Publication Date: 2007-Jun
Pages: 25
Abstractor: As Provided
Reference Count: 46
ISBN: N/A
ISSN: ISSN-0022-1325
Examining the Familial Link between Positive Affect and Empathy Development in the Second Year
Volbrecht, Michele M.; Lemery-Chalfant, Kathryn; Aksan, Nazan; Zahn-Waxler, Carolyn; Goldsmith, H. Hill
Journal of Genetic Psychology, v168 n2 p105-129 Jun 2007
Within a sample of 584 twins aged 12 to 25 months (292 pairs) studied longitudinally, positive affect measured through two laboratory pleasure episodes and maternal report at 12 and 22 months significantly predicted empathy-related helping and hypothesis testing assessed between 19 and 25 months. Girls showed significantly more concern than did boys, whereas boys engaged in hypothesis testing significantly more than did girls. Behavior-genetic analyses indicated substantial shared environmental influences for positive affect and empathy composites of helping and concern. Genetics and the nonshared environment influenced empathy-related hypothesis testing. The best fitting bivariate model included shared and nonshared environmental influences on positive affect and helping, with environment accounting for the covariation between the two traits. The covariation between positive affect and hypothesis testing was genetically influenced. (Contains 2 figures and 6 tables.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A