研究生答辩PPT(英语专业).ppt 26页

'词块教学法对高中生英语写作能力影响的实验研究AnExperimentalResearchontheEffectofLexicalChunkApproachonSeniorHighStudents’EnglishWritingCompetenceCandidate:HuangYintengSupervisor:Assoc.Prof.YuWeichangSchoolofForeignStudies,GuangzhouUniversityMay26,2013 TheOutlineofpresentationResearchWhy?How?What? RationalefortheStudySomeproblemsinseniorhighstudents’Englishwriting12SomepracticalfindingsoflexicalapproachonEnglishwritingResearchOrientation:Toinvestigatetheeffectoflexicalapproachonseniorhighstudents’EnglishwritingcompetenceToexploresomepracticalsuggestionsforseniorEnglishteacherstoteachingEnglishwriting ResearchQuestionsQ1:CanEGmakesignificantimprovementinEnglishwritingaftertheimplementationofthelexicalapproach?Q2:Isthereanycorrelationbetweenthenumberoflexicalchunksandthequalityofthecomposition?Generalresearchquestion:Whatistheeffectoflexicalchunkapproachonseniorhighschoolstudents’Englishwritingcompetence? Outlineofmythesis1.Introduction2.RelatedStudies3.TheoreticalFramework4.TheStudy5.DataAnalysisandDiscussion6.Conclusions RelatedstudiesonEnglishWriting123456ProcessApproachProductApproachWangandWen’sProcessModeofL2WritingGenreApproachLexicalApproachLengthApproach Outlineofmythesis1.Introduction2.RelatedStudies3.TheoreticalFramework4.TheStudy5.DataAnalysisandDiscussion6.Conclusions TheoreticalFrameworkofthisStudyWray’sLexicalApproachLewis’LexicalApproachNattinger&DeCarrico’sLexicalApproachDefinitionofLexicalChunkClassificationsofLexicalChunksFunctionsofLexicalChunksTheLexicalApproach Outlineofmythesis1.Introduction2.RelatedStudies3.TheoreticalFramework4.TheStudy5.DataAnalysisandDiscussion6.Conclusions How?ParticipantsInstrumentsDataCollectionResearchDesignInstruction InstrumentsCompositionsTests(Pre-testandPost-test)QuestionnaireInterview ProcedureStep1:carryoutthepre-test;collectandanalyzethedataofthepre-test;carryoutquestionnaire;Step2:twokindsofEnglishwritingteachinginEGandCGStep3:carryoutthepost-test InstructionInstructioninEGInstructioninCGAwareness-raisingActivitiesReinforcingActivities Outlineofmythesis1.Introduction2.RelatedStudies3.TheoreticalFramework4.TheStudy5.DataAnalysisandDiscussion6.Conclusions What?QuestionnaireTests(Pre-testandPost-test)CompositionsInterviewResearchQuestions Outlineofmythesis1.Introduction2.RelatedStudies3.TheoreticalFramework4.TheStudy5.DataAnalysisandDiscussion6.Conclusions MajorFindingsEGmakemoresignificantprogressinEnglishwriting.Highfrequencyofusinglexicalchunkscontributestohigh-qualitycompositions.Thereisapositivecorrelationbetweenthenumberoflexicalchunksusedinthewritingandthecompositionquality.EGraisetheirconfidenceinEnglishwritingandEnglishlearning. ConclusionTeachingonlexicalchunkapproachhasaneffectiveonimprovingseniorhighschoolstudents’Englishwritingcompetence.Andwiththeexperimentprogressing,studentsshowmoreconfidenceinEnglishwriting. Figure3Theresultsofthequestionnaire Figure4Independent-SamplesT-testofcompositionscoresinthepre-testGroupNMeanStd.DeviationStd.ErrorMeanFSig.TPPre-testscoreEG4715.513.71.54.334.565-.205.838CG4615.673.97.58Thestudentsoftwoclasseswerealmostthesame. Figure5Independent-SamplesT-testofcompositionscoresinthepost-testGroupNMeanStd.DeviationStd.ErrorMeanFSig.TPPost-testscoreEG4717.983.42.501.531.2192.762.007CG4615.854.01.59EGhavemademoresignificantprogressthanCG Figure6Paired-SamplesT-testofcompositionscoresofthepre-testandpost-testinCGandEGGroupNMeanStd.DeviationStd.ErrorMeanTPPre-testscoreCG4615.673.97.58-.363.718Post-testscoreCG4615.854.01.59Pre-testscoreEG4715.513.71.54-5.277.000Post-testscoreEG4717.773.89.57TheresultsrefuseasignificantdifferenceinCGSignificantdifferenceappearsinEG Figure7ThetotalnumberoflexicalchunksintwogroupsandtheirfrequencyNumberItemsEG(47subjects)CG(46subjects)Totalwords76706656Totallexicalchunks754521Totalwordsoflexicalchunks19331307Averagelexicalchunks16.0411.33Averagewordspertext163.19128.3Averagewordsperchunks2.562.50Frequencyoflexicalchunks7.6110.27ThefrequencyoflexicalchunksinEGissignificantlyhigherthanthatinCG.Note:Frequencyoflexicalchunks=(totalwords-totalwordsoflexicalchunks)/totallexicalchunks(ZhangJianqin,2004) Figure8CorrelationsbetweentotalchunksandthecompositionscorecompositionscoreSig.(2-tailed)Ntotalchunks.889**.00093Highpositivecorrelationbetweencompositionqualityandtotallexicalchunks Thankyouverymuch!'