This study will develop and test whether personalized profiles of children with Disruptive Behaviour Disorder (DBD) and their parents based on important psychological, emotional, and neuropsychological indicators predict their response to child cognitive behavioral treatment and Behavioral Parent Training.
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
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.