Matching Assessment and Treatment for Children With Disruptive Behaviour and Their Parents

Who May Qualify: - Child is borderline/clinically at risk on the Child Behaviour Checklist (CBCL) or Teacher Report Form (TRF) (T-score greater than or equal to 60 on Externalizing Problems composite scale or a T-score greater than or equal to 65 on the Oppositional Defiant Disorder and/or Conduct Disorder scales) - Child has clinically severe impairment in the interpersonal relations (greater than 3), functioning in schoolwork (greater than 3), or total domains (greater than 15) on the Columbia Impairment scale. - Parent is able and willing to participate in a group treatment Who Should NOT Join This Trial: - Child has an ongoing query or diagnosis of Pervasive Developmental Disorder or Autism or Asperger's Disorder - Evidence of cognitive delays or an intellectual disability (based on the Kauffman Brief Intelligence Test-2 (KBIT-2), verbal and/or IQ composite standard score below 80 or collateral information) - Child behaviour or emotional functioning that make group participation not possible - Child preference for individual treatment. - Parent behaviour or emotional functioning that make group participation not possible - Parent preference for individual treatment. Always talk to your doctor about whether this trial is right for you.