PersonalityPersonality AssessmentTransactional AnalysisPersonality TestsPersonality DisordersExtraversion (Psychology)Personality InventoryBorderline Personality DisorderAntisocial Personality DisorderSchizotypal Personality DisorderPersonality DevelopmentNeurotic DisordersAdolescent DevelopmentCharacterCompulsive Personality DisorderLongitudinal StudiesParanoid Personality DisorderType A PersonalityMMPIAdolescent BehaviorTemperamentDiagnostic and Statistical Manual of Mental DisordersQuestionnairesModels, PsychologicalImpulsive BehaviorPsychiatric Status Rating ScalesIntroversion (Psychology)AggressionNarcissismHistrionic Personality DisorderType D PersonalityRisk AssessmentAge FactorsAdolescent PsychologyInterpersonal RelationsPsychometricsRisk FactorsSchizoid Personality DisorderSex FactorsSocial BehaviorInterview, PsychologicalSubstance-Related DisordersReproducibility of ResultsSocial EnvironmentSelf ConceptEmotionsProspective StudiesFollow-Up StudiesAnxietyPeer GroupAnxiety DisordersIndividualityDependent Personality DisorderMental DisordersConscienceComorbidityInternal-External ControlExploratory BehaviorDepressionCriminalsPsychopathologyPubertySocial AdjustmentEcological and Environmental PhenomenaJuvenile DelinquencyConduct DisorderSelf-Injurious BehaviorPassive-Aggressive Personality DisorderStress, PsychologicalAffective SymptomsAdaptation, PsychologicalBehavioral ResearchParent-Child RelationsAlcoholismCohort StudiesSeverity of Illness IndexTwinsEgoAlcohol DrinkingFactor Analysis, StatisticalCross-Sectional StudiesSelf ReportAnalysis of VarianceAffectImpulse Control DisordersParentingHostilityNeuropsychological TestsMood DisordersDepressive DisorderMagnetic Resonance ImagingPrevalenceChild AbuseTime FactorsLife Change EventsFamilySuicide, AttemptedAgingDiseases in TwinsShyness