教材中的詞匯輸入頻率對二語詞匯習得的影響.pdf

1、南京師范大學碩士學位論文教材中的詞匯輸入頻率對二語詞匯習得的影響姓名：王鐳申請學位級別：碩士專業(yè)：英語語言文學指導教師：馬廣惠20080529AbstractInputfrequencyisanimportantissueinthefieldofsecondlanguageacquisition(SLA)andpeoplehavebeeninterestedinhowinputfrequencyaffectsSLAEllis(2002)

2、claimedthatfrequencywasafundamentalcognitivemechanismineverydomainoflanguageprocessingandfrequencywascriticalinlanguageprocessingManystudieshavebeencarriedouttoexaminetherelationshipbetweeninputfrequencyandsecondlanguage

3、acquisitionIthasbeenfoundthatinputfrequencydoeshaveaninfluenceonL2acquisition(Ferris1988，Rott1999andHorst2000)HowevertherestillexistsomeproblemsandquestionswhichneedtobedealtwithForexample，inFerris‘Sstudy(1988)，nomeasure

4、sweretakentostrictlycontrolthenumbersofencountersofthetargetwordsandparticipantshadotheropportunitiestomeetthetargetwordsTherefore，thenumberofoccurrencesofawordinthetextsmightnotbeallaccuratereflectionofthenumberofencoun

5、tersofthetargetwordInRott’Sstudy(1999)，onlysixnewwordswereexposedtothesubjectsSuchasmallsampleoftargetwordsCannotguaranteeacomprehensivepictureoftheeffectofinputfrequencyEventhoughsomeempiricalstudiesweresupportiveofarol

6、eforfrequency(BleyVroman2002，Hulstijn2002，Eubank&Gregg2002，Gass&Mackey2002，Larsen—Freeman2002)，causalclaimsshouldbemadecautiouslySomeotherfactorssuchascognitivesalience，noticingoflearners，complexityofwordmeaning，L1transf

7、erandcommunicativeneedmayalsohaveaninfluenceonSLAAstherealesomeproblemsandunclearquestionsabouttheeffectsofinputfrequencyinpreviousstudies，thispaperaimedatfurtherinvestigatingtheeffectsofinputfrequencyoftextbooksonL2voca

8、bularyacquisitionTheresearchquestionsare：(1)WhatistherelationshipbetweeninputfrequencyandL2vocabularyacquisition(2)Whatfactorsmayinfluencetheefficacyofinputfrequency626collegestudentswereparticipatedinthestudyTwovocabula

9、rytestswereadministeredandaninterviewwaSmadeafterthetestsThemajorfindingsofthestudyareasfollowing：(1)Theresultsofthedataanalysisshowacleartendencythatcorrectionratesofthetargetwordsinthevocabularytestsincreasewiththeincr

10、easeoftheinputfrequencyThehighertheinputfrequencyis，thehigherthecorrectionratesare。Therefore，itcanbesaidthatinputfrequencydoeshaveaneffectontheacquisitionofL2vocabularyaspreviousstudieshavemanifested(2)Theaveragecorrecti

11、onratesofthetargetwordsinVocabularyTestOnewhichoccursixtimesoroverareallabove50％Thecorrectionratesofthewordswhichoccurfewerthansixtimesarelowerthan50％Tosomeextentitcanbesaidthatsixoccurrencescanbeconsideredasathresholdin

12、putfrequencyforsubstantialacquisitionofawordtotakeplace(3)EventhoughthegeneraltendencyisthatinputfrequencyhasaneffectontheacquisitionofL2vocabularyitcannotfullyaccountforallvocabularyacquisition。Theresultsofcorrelationan