Conduct DisorderAttention Deficit Disorder with HyperactivityAntisocial Personality DisorderAttention Deficit and Disruptive Behavior DisordersDiagnostic and Statistical Manual of Mental DisordersMental DisordersJuvenile DelinquencyDiseases in TwinsBipolar DisorderSubstance-Related DisordersAnxiety DisordersAggressionComorbidityMood DisordersChlorprothixeneChild of Impaired ParentsChild Behavior DisordersPsychiatric Status Rating ScalesPersonality AssessmentPsychopathologySocial EnvironmentSingle-Parent FamilyDepressive Disorder, MajorVietnam ConflictInterview, PsychologicalRunaway BehaviorCrimeCentral Nervous System StimulantsTwin Studies as TopicCriminalsDepressive DisorderParentsDiagnosis, Dual (Psychiatry)Longitudinal StudiesParentingEmpathyImpulsive BehaviorAlcoholismCharacterMethylphenidateAdolescent BehaviorTwinsAssertivenessRisk FactorsForensic PsychiatryStress Disorders, Post-TraumaticTheftVirginiaAge of OnsetSocializationPrevalenceChild BehaviorInternal-External ControlCerebrumPeer GroupFamilyPsychometricsQuestionnairesNeuropsychological TestsModels, PsychologicalUnited StatesSex FactorsSeverity of Illness IndexAchievementAutistic DisorderChild AbuseViolenceMarijuana AbuseFathersChild Development Disorders, PervasiveObsessive-Compulsive DisorderPropylaminesSocial AdjustmentCase-Control StudiesParent-Child RelationsGenetic Predisposition to DiseaseAge FactorsFollow-Up StudiesInterpersonal RelationsMothersTic DisordersMother-Child RelationsEmotionsSuicide, AttemptedPhobic DisordersPsychotic DisordersChicagoDepressionPrenatal Exposure Delayed EffectsAnalysis of VariancePersonalityCohort StudiesFrontal LobeSocioeconomic FactorsHealth SurveysPhenotypeMagnetic Resonance ImagingReproducibility of ResultsProspective StudiesCross-Sectional Studies