计算机辅助词汇完型填空题设计

计算机辅助词汇完型填空题设计,主要内容,教学中的材料选择文本难度的测量WordNet简介ClozeMate软件设计思路软件演示及启示,教学中的材料选择,教学需“因材施教”；“因材施教”即“量体裁衣”：Tailoredinput;Tailoredinstruction;Tailoredassessment;Tailoredfeedback.,教学中的材料选择,Tailoredinput:textdifficultycontrolTailoredassessment:Computer-providedchoicesforclozetestgapsUser-confirmedchoices(interactive)Syllabus-basedvocabularycontrolComputer-generatedformat,文本难度的测量,ReadabilityindicesGunningFogIndexSmogColemanLiauFleschReadingEaseTheLexileCoefficient,文本难度的测量,DevelopedbyMetaMetricsTheLexileFrameworkisthemostwidelyadoptedreadingmetric.Itmeasuresstudentsreadingabilityandtextdifficultyonacommonscale.Lexilemeasuresarepowerfultoolsforlinkingassessmentwithinstructionacrossthecurriculum.,文本难度的测量,Lexilemeasuresprovideathermometerformeasuringstudentsreadingabilitiesthattalentededucators,involvedparentsandmotivatedstudentsusetoimprovelearning.Lexilemeasurestieday-to-dayworkintheclassroomtocriticalhigh-stakestests.TheLexileFrameworkoffersa“bigpicture”viewofgrowthofstudentreadingabilityfrompreschoolthroughgraduateschool.,文本难度的测量,Unfortunately,alexilescorecanrangefrombelow200L(evenbelow0)forbeginningreaderstoabove1700Lforadvancedreaders.Itisnotveryintelligibletotheuser.Wehavedevelopedanalgorithm(embeddedinaprogram),whichcanconvertrawlexilescorestostandardizedlexilescoresonthe0-10scale.,文本难度的测量,Somepilotstudieswehaveconductedindicatethatthestandardizedlexilescoresarenotonlyeasiertounderstand,butalsoaseffectiveastherawlexilescores.,WordNet简介,WordNetisalargelexicaldatabaseofEnglish,inwhichwordsaregroupedintosetsofsynonymscalledsynsets,eachexpressingadistinctconcept.Synsetsareinterlinkedbymeansofconceptual-semanticandlexicalrelations.WordNetisausefultoolforcomputationallinguisticsandnaturallanguageprocessing.,WordNet简介,ClozeMate软件设计思路,工具：WordNetTreeTagger,ClozeMate软件设计思路,Cloze中的选项：语义相关干扰项；形式相关干扰项。,Asthegasisradiatedwithgreatforce,it_therocketintheoppositedirection.A.attractsB.leadsC.pullsD.pushes,Impressiveandcomplex_itmayappear,therocketisarelativelysimpledevice.A.thatB.soC.asD.though,ClozeMate软件设计思路,语义相关干扰项：利用WordNet中的语义查询，找到语义相关词的若干个备选词；根据词性提供备选词的适当形式。形式