Vocabulary Input through Extensive Reading.pdf

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1、AppliedLinguistics25/1:1±37#OxfordUniversityPress2004VocabularyInputthroughExtensiveReading:AComparisonofWordsFoundinChildren'sNarrativeandExpositoryReadingMaterialsDEEGARDNERBrighamYoungUniversityTheroleofextensivereadinginbuildingvocabularycontinuestoreceiveconsiderabl

2、eattentionin®rstandsecondlanguageresearchandpedagogy.Thisstudyanalysesthelexicaldierencesbetweennarrativeandexpositoryreadingmaterialsusedinupper-elementaryeducation-10-and11-year-oldchildren),andexploreshowthesedierencescouldaectchildren'spotentialvocabularyacquisitiont

3、hroughreading.Resultsofacomputerizedanalysisofnearly1.5millionwordtokensrevealsmarkeddierencesbetween28narrativeand28expositorychildren'sbooksintermsofoveralltokendistributionandindividualtyperepetitionsatalllevelsofvocabularyanalysedinthestudy-i.e.generalhighfrequencywo

4、rds,academichighfrequencywords,andspecializedwords).Furtherexplorationofthelexicaldataindicateshighnumbersofregister-speci®cwordsatalllevelsofvocabulary,particularlyatthemorespecializedlevelswherethepotentialforprotractedvocabularygrowthisthegreatest.Asubsequentdiscussio

5、naddressesqualitativedierencesinthecharacteristicsoftheseexclusivenarrativeandexpositorytypes.Theselexical®ndingsareusedtoassessclaimsofWideReadingandFreeReadingrelativetochildren'sacquisitionofvocabularythroughextensivereading,especiallythedefaultclaimsof`incidental'wor

6、dacquisitionthroughrepetitiveencounterswithunknownwordswhilereadinglargevolumesofmaterialforpleasure.Firstlanguage-L1)researchersinvestigatingtheEnglishvocabulariesofelementaryschoolstudents-ages5through12)andthevocabularyloadoftheirtextshaveconcludedthattheaverageL1stud

7、entacquiresapproximately3,000newwordseachyear-MillerandGildea1987;NagyandHerman1987;Nagy,Herman,andAnderson1985),andthatthebulkofthenewacquisitions,particularlyafterthethirdgrade-ages8and9),comethroughnaturalreadingexperiences-Nagy1988;NagyandHerman1987).Addition-ally,th

8、e3,000peryeargrowth®gurehasledtotheconclusionthattheaverage12thgrader-ages17and18)possessesareadingvoca