无线侧接口协议介绍.ppt

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1、Chapter11TheoriesofSecondLanguageAcquisition---ZhangLi09级外国语言学及应用语言学研ⅠIntroductionⅡTaxonomies,Hypotheses,andModelⅢSomeCurrentTheoriesandModelsⅣThebelievinganddoubtinggamesⅤFromTheorytoPracticeⅥIntuition:TheSearchforrelevanceⅦOutonaLimb:TheEcologyofLanguageAcquisitionContentsI.IntroductionQ1.Wh

2、atissecondlanguageacquisition?Q2.Istheresuchaunifiedtheory?SecondLanguageAcquisitionisasubsetofgeneralhumanlearningandinvolvescognitivevariations.Itiscloselyrelatedtoone’spersonhoodandisinterwovenwithsecondculturelearning.No.Lightbown(1985)Yorio(1976)taxonomy11statementsEvaluationHowevervagueand

3、generaltheyare,theyconstituteaframeworkforatheoryofSLA.10statementsEvaluationLightbown’slistofgeneralizationisinterestingandhassomeapplicationstoclassroompractices.butthelist,likethe11previousitems,isobviouslyincomplete.II.Taxonomies,Hypotheses,andModelsIII.KrashensInputHypothesisMclaughlin’sAtt

4、ention-ProcessingModelBialystok’sAnalysis/AutomaticityModelVariabilityModelssomecurrenttheoriesandmodelsIntroduceaboutKrashensInputHypothesisDifferentnamesMonitorModelAcquisition-LearningHypothesisInputHypothesis.Krashen’sTheoryTheMonitorHypothesisConsciouslearning...canonlybeusedasaMonitororane

5、ditor(Krashen&Terrell1983).TheAcquisition/LearningHypothesisAdultshavetwodistinctivewaysofdevelopingcompetencesinsecondlanguages..acquisition,thatisbyusinglanguageforrealcommunication...learning…“knowingabout”language(Krashen&Terrell1983).TheInputHypothesisHumansacquirelanguageinonlyoneway-byund

6、erstandingmessagesorbyreceiving“comprehensibleinput”.TheNaturalOrderHypothesisWeacquiretherulesoflanguageinapredictableorder.TheAffectiveFilterHypothesisAmentalblock,causedbyaffectivefactors...thatpreventsinputfromreachingthelanguageacquisitiondevice(Krashen,1985,p.100).EvidencefortheInputHypoth

7、esisi)Peoplespeaktochildrenacquiringtheirfirstlanguageinspecialwaysii)PeoplespeaktoL2learnersinspecialwaysiii)L2learnersoftengothroughaninitialSilentPeriodiv)Thecomparativesuccessofyoungerandolderlearnersreflectsprovisionofc