Our results suggest that among students receiving special educational services for behavioural difficulties, a large proportion may have difficulties severe enough to meet the criteria for at least one DSM-IV disruptive behaviour disorder. Such findings may underscore the need to develop more collaboration between the mental health and education sectors in rehabilitating these children.

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This study examined links between parents (189 mothers, 153 fathers) adjustment and children's externalising behaviour problems (97 girls; 92 boys) representative of the general population. Structural equation modelling was used to examine models that included ''direct'' and ''indirect'' pathways. Externalising behaviour problems in children were strongly related to parental adjustment dif culties. Maternal antisocial behaviour and marital hostility were linked to sons' and daughters' externalising behaviour problems via dysfunctional child-rearing practices. Maternal antisocial behaviour, however, was not fully mediated by dysfunctional parenting. For fathers, the pattern related to externalising problems in sons was as those speci ed for mothers. The pattern did not appear relevant for daughters. Results are discussed in terms of the importance of adjustment patterns with regard to the sex composition of the parent-child dyads.

Children with conduct problems are at greater risk for internalizing problems. The objectives of this study were to (1) examine trajectories of internalizing problems among children with and without clinically significant conduct problems during the transition to adolescence; and (2) identify how academic achievement, peer rejection, parent socioeconomic status, maternal distress, parental warmth, child temperament, and receptive verbal functioning explained differences between the two groups. Children with conduct problems ( N = 388, 45% girls) and a comparison sample without conduct problems ( N = 299, 52% girls) were recruited from Quebec, Canada, when they were between the ages of 7 and 10 years, and were followed across 4 years. Mothers and teachers provided information on internalizing problems each year. Having clinically significant conduct problems was associated with higher initial levels of internalizing problems according to mothers and teachers, but not with changes in internalizing problems over time. With regards to teacher ratings, academic achievement, peer rejection, and negative emotionality partially explained differences in internalizing problems for youth with and without conduct problems. For mother ratings, maternal distress, negative emotionality, and peer rejection completely explained the association for girls, and partially explained the association for boys. Findings supported a multi-rater approach for understanding risk for internalizing problems among children with and without conduct problems. In particular, they highlight the importance of differences across context for understanding factors associated with vulnerability to internalizing problems.

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