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Title: Known risk factors for violence predict 12-month-old infants' aggressiveness with peers.
Authors: Hay, DF
Mundy, L
Roberts, S
Carta, R
Waters, CS
Perra, O
Jones, R
Jones, I
Goodyer, I
Harold, G
Thapar, A
van Goozen S
First Published: Sep-2011
Citation: PSYCHOL SCI, 2011, 22 (9), pp. 1205-1211
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.
DOI Link: 10.1177/0956797611419303
eISSN: 1467-9280
Type: Journal Article
Appears in Collections:Published Articles, School of Psychology

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