Peer GroupPeer ReviewPaperPeer Review, Health CarePeer Review, ResearchInterpersonal RelationsSociometric TechniquesRejection (Psychology)FriendsAdolescent BehaviorSocial BehaviorSocializationBullyingSocial EnvironmentStudentsSocial DesirabilitySocial FacilitationJuvenile DelinquencySocial SupportSocial ConformityMainstreaming (Education)United StatesAggressionSelf-Help GroupsTeachingAdolescent PsychologyPlay and PlaythingsSocial AdjustmentSchoolsLongitudinal StudiesImitative BehaviorSocial IdentificationEvidence-Based MedicineParent-Child RelationsPeriodicals as TopicHealth Knowledge, Attitudes, PracticeEducational MeasurementProgram EvaluationData CollectionQuestionnairesPublishingRemedial TeachingTime FactorsAttitudeUniversitiesSex FactorsAlgorithmsRisk FactorsRisk-TakingMentorsManuscripts, MedicalSocial PerceptionModels, PsychologicalInternetSubstance-Related DisordersInterviews as TopicSelf ConceptResearch DesignCross-Sectional StudiesResearchParentsBenchmarkingClinical CompetenceModels, TheoreticalCommunicationHealth EducationChild BehaviorBiomedical ResearchParentingAlcohol DrinkingAge FactorsAttitude to HealthModels, BiologicalReinforcement, SocialAdolescent DevelopmentGender IdentityHealth PromotionChild PsychologyCurriculumRole PlayingChild Behavior DisordersAchievementFacultyQualitative ResearchFeedbackWritingGreat BritainPersonality DevelopmentPilot ProjectsFamily RelationsGeneralization (Psychology)ViolenceModels, StatisticalProgram DevelopmentComputer SimulationSocial IsolationTreatment OutcomeCooperative BehaviorStudents, MedicalFamily