Adolescent DevelopmentAdolescent BehaviorAdolescent PsychologyConduct DisorderParentingChild Behavior DisordersAntisocial Personality DisorderPeer GroupLongitudinal StudiesParent-Child RelationsSocial EnvironmentAttention Deficit and Disruptive Behavior DisordersAttention Deficit Disorder with HyperactivityAggressionParentsPersonality DevelopmentQuestionnairesSex FactorsSubstance-Related DisordersDiseases in TwinsChild BehaviorAge FactorsFrustrationRisk FactorsAdolescent Health ServicesFamily RelationsChild of Impaired ParentsSocial AdjustmentInterpersonal RelationsUnderachievementPunishment