Parenting practices have been previously linked to childhood externalizing behaviour. However, little attention has been given to the potential effect of individual personality differences among children on this relation. The current study assesses the additive effects of children's personality characteristics and explores the moderating effects of children's personality on relations between parenting practices and childhood externalizing behaviour using a proportional stratified sample of 599 nonclinical elementary-schoolaged children. Multiple regression analyses reveal that in the mother data as well as in the father data, dysfunctional parenting and the children's personality characteristics Benevolence, Conscientiousness, and Extraversion were directly related to outcomes consistent with an additive model of their effects. Significant interactions indicate that children with low scores on Benevolence who were exposed to overreactive discipline practices exhibited higher levels of externalizing behaviour. Children characterized by low scores on Conscientiousness who were exposed to coercive parenting behaviour showed elevated levels of externalizing behaviour. These results suggest that integrating children's personality characteristics within parenting models can improve the understanding of the aetiology of childhood externalizing problem behaviour. The implications of such integrations for intervention are discussed.

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Negative discipline has been linked to childhood externalizing behaviour. However, relatively little attention has been given to the potential effect of individual personality characteristics of children and parents. Using the Five Factor Model, we examined the extent to which parents' and children's personality characteristics were related to parenting and children's externalizing behaviour in a proportional stratified general population sample (N=599) of elementary‐school‐aged children. Based on Patterson's macromodel of parenting, an initial model was built, hypothesizing that the impact of parents' and child's personality dimensions on externalizing problems was fully mediated by negative discipline. Results supported a modified model that added direct pathways between parent and child personality characteristics and externalizing problem behaviour. For the mother data, as well as for the father data, children's Extraversion and Imagination were positively related to children's externalizing problem behaviours. Children's Benevolence and Conscientiousness and parents' Emotional Stability were negatively related to externalizing problem behaviours. For the mother data, maternal Agreeableness was positively related to externalizing problem behaviours too. Copyright © 2003 John Wiley & Sons, Ltd.

The aim of this study was to examine the normative developmental trajectories of aggressive and delinquent behavior in young children. Cohort-sequential univariate latent growth modeling (LGM) analyses were employed to conceptualize and analyze intraindividual changes in children's aggressive and delinquent behavior and interindividual differences in these changes. A multivariate model was tested that related the two developmental trajectories to each other and to harsh discipline. The longitudinal data included mother and father ratings on the Child Behavior Checklist (CBCL) (Achenbach, 1991), the “Leuvens Instrument voor Coërcief Opvoedingsgedrag” (Leuvens Instrument of Coercive Parenting Behavior, LICO) (Hellinckx et al., 2000) and the Parenting Scale (Arnold, O'Leary, Wolff, & Acker, 1993) of 674 school-aged boys and girls of a proportional stratified general population sample, assessed annually for three years. A significant nonlinear decline in aggressive and a significant linear decline in delinquent problem behavior were found both in the mother and in the father ratings. A multivariate latent growth analysis indicated that trajectories in aggressive and delinquent problem behavior were positively associated. The association was stronger for boys than for girls. Parenting behaviors were differentially related to children's aggressive and delinquent problem behavior. Coercion was significantly related to aggressive behavior but not to delinquent behavior. Higher scores on coercion were related to higher initial levels and a slower decrease of aggressive behavior. High scores on overreactivity were associated with higher initial levels of aggressive and delinquent problem behavior but not with the growth rates. Boys were higher than girls in initial status. Conversely, the rate of change was not related to gender. The results were replicated in the father reports.

Although the impact of parent characteristics and parenting practices on the development of behavioural problems in childhood is often recognised, only a few research programmes have assessed the unique contributions of negative parenting as well as the parent personality characteristics in the same study. Using the Five Factor Model, we examined the extent to which mothers' and father's personality characteristics were related to parenting and children's externalising behaviour in a proportional stratified sample of 599 nonclinical elementary school-aged children. Path analysis indicated that negative parenting practices and parents personality characteristics operate together to predict children's externalising problem behaviour. Consistent with past research (Patterson & Dishion, 1988; Patterson, Reid, & Dishion, 1992), parent personality traits were indirectly related to children's externalising problem behaviour. Their effect was mediated by negative parenting practices. But in addition and in contrast to Patterson's theoretical model, parent personality traits also contributed directly to children's externalising problem behaviour. For the mother data, as well as for the father data, the personality dimensions Emotional Stability and Conscientiousness were negatively and Autonomy was positively related to children's externalising problem behaviours.