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Sibling Extraversion Similarity Predicts Sibling Relationship Quality Across Childhood and Adolescence

Poster Session II - Board: II-102
Friday, May 22, 2009, 4:00 PM - 5:00 PM
Yerba Buena 7

Oi Kam Chow
University of Wisconsin-Madison

Nicole L. Schmidt
University of Wisconsin-Madison

Carol A. Van Hulle
University of Wisconsin-Madison

Kathryn Lemery-Chalfant
Arizona State University

H. Hill Goldsmith
University of Wisconsin-Madison

Child temperament and sibling temperament similarity have been shown to influence sibling relationship quality. This study examined extraversion in relation to sibling warmth and conflict in twins longitudinally at 7 and 14 years. Higher extraversion and twin concordance at age 7 significantly related to higher sibling conflict at both ages.

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Gordon Bower