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1、THERESEARCHOFDIFFUCUIJYOFTESTQUESTIONSBASEDONC45DECISIONTREEADissertationSubmittedtotheGraduateSchoolofHenanNormalUniversityinPartialFulfillmentoftheRequirementsfortheDegreeofMasterOfScienceByHouFe如iSupervisor：ProfWangXi

2、aodongMay，2016ABSTRACTWeareinabigdataera，academic，business，government，andotherfieldshasaccumulatedalotofnetworkbehaviordatathroughtheanalysisofthesedatawecarlgetusefulinformationforstudylifoandworkBigdatawillbeforthehuma

3、nlifecreatesunprecedemedquantifiabledimensionBigDatahasbecomeasourceofnewservicesandnewcreationTheinformationtechnologyandtheintegrationofeducationisanimportantdirectionofeducationreformBasedontheconceptsofdatathereformo

4、feducationteachingmechanism，fullyimplementaccordingtotheiraptitude，personalizedlearninginclassroomteaching，whichcaneffectivelyimprovethelearningefficiencyTothestudentsofdifferentlevels，differentteachingrequirementsandtea

5、chingcontentResearchquestionsclassificationhelpindividualstudents，meetthestudents’personalizeddevelopmentDegreeofdifficultywilltryaccordingtoclassificationthefirstpairofcomprehensivegraspandunderstandstudents’learningsit

6、uationhasaveryimportantrole；ThesecondCaninspirestudents’enthusiasmforlearning，alsoCanpreventdamagestudents’selfesteem；1hMisconducivetofreedomgroupvolumeaccuracyconvenienttheorganizationandmanagementofthequestionInadditio

7、nalsocanbeappliedtotestisrecommended，ThisarticlemainlythroughtheC45dechiontreeflgofithmtoclassifyeachitemaccordingtoitseaseFirstofalltheanalysistothequestionclassificationofresearchstatusathomeandabroad；Secondlyusingtheq

8、uantitativeanalysisandstatisticaltestmethod，testhypothesisproposedbytheimpactofeachfactor011itemdifficultyofsignificance，SOastofindoutthemainfactorsinfluencingthetestquestionhoweasilyFinallyintroducestheC45algorithm，andu

9、singthisalgorithmwill田classificationThispaperstudiesthemaincontentisasfollows：(1)describestheresearchbackgroundpurposeandsignificanceofresearchstatusanalysisandclassificationofquestions(2)Accordingtotheliteratureresearch

10、assumingthatthefactorsthatinfluencethetestquestionsdifficultyleveluSingsoftwareSPSS21，testhypothesisproposedbytheimpactofvariousfactorsonitemdifficultysignificance，SOastofindoutthemainfactorsinfluencingthetestquestionhow

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