Known risk factors for violence predict 12-month-old infants' aggressiveness with peers

Hay, Dale F, Mundy, Lisa, Roberts, Siwan, Carta, Raffella, Waters, Cerith S, Perra, Oliver, Jones, Roland, Jones, Ian, Goodyer, Ian, Harold, Gordon T, Thapar, Anita and van Goozen, Stephanie (2011) Known risk factors for violence predict 12-month-old infants' aggressiveness with peers. Psychological Science, 22 (9). pp. 1205-1211. ISSN 0956-7976

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Abstract

This study tested the hypothesis that 12-month-old infants' use of force against peers is associated with known risk factors for violence. We conducted a prospective longitudinal study, which included laboratory observations of firstborn British infants (N = 271) during simulated birthday parties. No gender differences in aggressiveness were observed. The infants' observed aggressiveness was significantly correlated with mothers' mood disorder during pregnancy and with mothers' history of conduct problems. Infants' observed aggressiveness was correlated with parents' ratings of infants' anger and aggression, which were also predicted by mothers' mood disorder and history of conduct problems. Our findings indicate that infants at risk for serious aggression can already be identified when the motor ability to use physical force first enters the human repertoire. © The Author(s) 2011.

Item Type: Article
Schools and Departments: School of Psychology > Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Depositing User: Carmel Stevenson
Date Deposited: 11 Aug 2015 13:09
Last Modified: 11 Aug 2015 13:09
URI: http://sro.sussex.ac.uk/id/eprint/55562
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