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"Ifindawaytoexpressmyemotions".Responsesweremadefroma4 likerttyperangingfrom1(Idont'dothisatall)to4(Idothisalot). Reliabilityanalysisrevealedagoodinternalreliabilityforthe scale(Cronbach'salpha=.75). 3)Children'sEmotionRegulation Thepreschoolers'emotionalregulationwasassessedusinganemotional regulationchecklistbyKang,Ji-Heun(2003)whichwasbasedon ' Emotion RegulationChecklistandAggressionScale' ofShields&Cicchetti(2002).The scaleof8items,whichwerederivedfrom2differentfactors(emotional anxiety3itemsandemotionalregulation5items).Responsesweremade froma5likert-type(1=notatallcharacteristicsofpreschoolerto5=very characteristicofpreschooler),Reliabilityanalysisrevealedgoodinternal reliabilitiesfortheemotionanxiety(Cronbach'salpha=.79)andthe emotionalregulation(Cronbach'salpha=.62). 4)Children'sBehavioralProblems Thepreschoolers'behavioralproblemswereassessedusing"TheChild BehaviorChecklist:CBCL"byHan,Mi-Heun&Eu,An-Jin(1995)whichwas revisedforcheckingchildren'sbehavioralproblems.Thescaleof10items, whichwerederivedfrom2differentfactors(aggression5items,withering5 items).Responsesweremadefromea5Likert-type(1=notatall characteristicsofpreschoolerto5=verycharacteristicofpreschooler). Reliabilityanalysisofthepresentsamplerevealedgoodinternalreliabilities fortheaggression(Cronbach'salpha=.92)andthewithering(Cronbach's alpha=.82). 3.ProcedureandDataanalysis DatacollectedfromJan.2009toFeb.2009.Theoriginalsampleconsisted of350subjectsin5kindergartenslocatedinSeoul,Gyeoung-Sangprovince. Ofthesemothers,135subjectscouldnotbeincludedintheanalysis becauseofnoresponses.Thefinalsamplewere215subjects.Descriptive