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

journal contribution
posted on 2023-06-08, 21:46 authored by Dale F Hay, Lisa Mundy, Siwan Roberts, Raffella Carta, Cerith S Waters, Oliver Perra, Roland Jones, Ian Jones, Ian Goodyer, Gordon Harold, Anita Thapar, Stephanie van Goozen
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.

History

Publication status

  • Published

Journal

Psychological Science

ISSN

0956-7976

Publisher

SAGE Publications Inc

Issue

9

Volume

22

Page range

1205-1211

Department affiliated with

  • Psychology Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2015-08-11

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