Comorbidity , gender , age , number of sessions , duration , intervention type , setting , medication use or dropout percentage did not influence the effect of treatment .
CONCLUSIONS Psychological treatments have a small effect in reducing parent- , teacher- and observer-rated CD problems  in children and adolescents with clinical CD problems/diagnosis .
There is not enough evidence to support one specific psychological treatment over another .
Many reports failed to provide detailed information to allow optimization of psychological treatment strategies
BACKGROUND This meta- analysis evaluates the efficacy of nonpharmacological treatments for conduct disorder ( CD ) problems in children and adolescents , based on child , parent and teacher report .
Reducing conduct problems among children exposed to intimate partner violence: a randomized clinical trial examining effects of Project Support.
This study was a r and omized clinical trial of Project Support , an intervention design ed to reduce conduct problems among children exposed to intimate partner violence . Participants were 66 families ( mothers and children ) with at least 1 child exhibiting clinical levels of conduct problems . Families were recruited from domestic violence shelters . The Project Support intervention involves ( a ) teaching mothers child management skills and ( b ) providing instrumental and emotional support to mothers . Families were r and omly assigned to the Project Support intervention condition or to an existing services comparison condition . They were assessed on 6 occasions over 20 months , following their departure from the shelter . Children in families in the Project Support condition , compared with those in the comparison condition , exhibited greater reductions in conduct problems . Mothers in the Project Support condition , compared with those in the comparison condition , displayed greater reductions in inconsistent and harsh parenting behaviors and psychiatric symptoms . Changes in mothers ' parenting and psychiatric symptoms accounted for a sizable proportion of Project Support 's effects on child conduct problems at the end of treatment . Clinical and policy implication s are discussed
Comorbidity , gender , age , number of sessions , duration , intervention type , setting , medication use or dropout percentage did not influence the effect of treatment .
CONCLUSIONS Psychological treatments have a small effect in reducing parent- , teacher- and observer-rated CD problems  in children and adolescents with clinical CD problems/diagnosis .
There is not enough evidence to support one specific psychological treatment over another .
Many reports failed to provide detailed information to allow optimization of psychological treatment strategies
BACKGROUND This meta- analysis evaluates the efficacy of nonpharmacological treatments for conduct disorder ( CD ) problems in children and adolescents , based on child , parent and teacher report .