Conduct DisorderAntisocial Personality DisorderAttention Deficit and Disruptive Behavior DisordersAttention Deficit Disorder with HyperactivityDiagnostic and Statistical Manual of Mental DisordersMental DisordersJuvenile DelinquencySubstance-Related DisordersDiseases in TwinsAggressionBipolar DisorderAnxiety DisordersMood DisordersChild Behavior DisordersChlorprothixeneComorbidityChild of Impaired ParentsBehavior, AnimalSocial EnvironmentSingle-Parent FamilyDepressive Disorder, MajorPsychopathologyPsychiatric Status Rating ScalesVietnam ConflictPersonality AssessmentRunaway BehaviorInterview, PsychologicalCrimeDepressive DisorderTwin Studies as TopicEmpathyAlcoholismCriminalsLongitudinal StudiesParentingParentsDiagnosis, Dual (Psychiatry)Adolescent BehaviorCharacterImpulsive BehaviorRisk FactorsStress Disorders, Post-TraumaticAssertivenessTwinsForensic PsychiatryVirginiaTheftSocializationPrevalenceBehavioral SymptomsAge of OnsetChild BehaviorUnited StatesModels, PsychologicalInternal-External ControlCentral Nervous System StimulantsQuestionnairesCerebrumPeer GroupAnalysis of VarianceMotor ActivitySex FactorsFamilyEmotionsAutistic DisorderPsychometricsChild AbuseViolenceMarijuana AbuseAchievementNeuropsychological TestsBehavioral SciencesSeverity of Illness IndexBehavioral MedicineDepressionAge FactorsSocial AdjustmentParent-Child RelationsBrainBehaviorInterpersonal RelationsObsessive-Compulsive DisorderFathersChild Development Disorders, PervasiveMother-Child RelationsFollow-Up StudiesMothersPrenatal Exposure Delayed EffectsBehavioral ResearchPhobic DisordersMagnetic Resonance ImagingGenetics, BehavioralChicagoPsychotic DisordersGenetic Predisposition to DiseaseCase-Control StudiesSocioeconomic FactorsPersonalitySuicide, AttemptedBehavior Therapy