《二语习得理论》PPT课件.ppt

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1、TheoreticalApproachestoSecondLanguageLearningDifferencesinLearningL1&L2BehaviorismInnatismInformationProcessingConnectionismTheInteractionistPosition2021/8/30Fall20031DifferencesinLearningL1&L2Achildoradultlearningasecondlanguageisdifferentfromachildacquiri

2、ngafirstlanguageintermsofboth1)learnercharacteristicsand2)learningconditions2021/8/30Fall20032DifferencesinLearningL1&L2LearnerCharacteristics1.Knowledgeofanotherlanguage2.Cognitivematurity3.Metalinguisticawareness4.Knowledgeoftheworld5.Nervousnessaboutspeak

3、ingL1L2childchildadolescent(formal)adult-?++-?++-?++-?++--++2021/8/303DifferencesinLearningL1&L2LearningConditions6.Freedomtobesilent7.Ampletime&contact8.Correctivefeedback:(form)grammarandpronunciation9.Correctivefeedback:(meaning)wordchoice10.Modifiedinput

4、L1L2childchildadolescent(formal)adult++--++-?--+-++++++++2021/8/30Fall20034DifferencesinLearningL1&L2Summary:SLA(SecondLanguageAcquisition)theoriesneedtoaccountforlanguageacquisitionbylearnerswithavarietyofcharacteristicsandlearninginavarietyofcontexts.2021/

5、8/30Fall20035TheoreticalApproachestoLanguageAcquisitionBehaviorismInnatismInteractionismImportantCharacteristics:-     Imitation-     Practice-     Reinforcement-     Habit-formationApplicationtoSLA:-CAH(contrastiveanalysishypothesis)Focusonthelinguisticaspe

6、ctsof:-        Vocabulary-        grammaticalmorphemes-        pronunciationImportantCharacteristics:-LAD(languageacquisitiondevice)-UG(universalgrammar)-CPH(criticalperiodhypothesis)ApplicationtoSLA:-Krashen’s"monitormodel"1)acquisition–learninghypothesis2)

7、monitorhypothesis3)     naturalorderhypothesis4)     inputhypothesis(i+1)5)affectivefilterhypothesis-        Informationprocessing1)     attention-processing(noticing)2)     restructuring-        Connectionism-multipleintelligenceFocusonthelinguisticaspectso

8、f:-        grammar/sentence-making-   pronunciationImportantCharacteristics:-     physicalinteractionwiththeenvironment-     socialinteractionwithpeople-     modifiedinteraction-     socialcultu