词汇丰富度与英语学习者口语产出质量关系研究

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1、哈尔滨工程大学硕士学位论文词汇丰富度与英语学习者口语产出质量关系研究姓名：刘丽申请学位级别：硕士专业：外国语言学及应用语言学指导教师：邓晓明20110614摘要词汇是语言的必要基石，也是外语学习的重要方面。丰富的词汇运用是高质量口语产出的显著特征之一，然而对于词汇丰富度与口语相关性的实证研究在国内外并不多见。本论文研究了衡量词汇丰富度形符与类符比，并以31名非英语专业的硕士研究生为研究对象，通过对他们的口语考试的分析，就词汇丰富度与口语产出质量的相关性问题进行了研究。结果发现，词汇丰富度对以英语为外语的学习者的口

2、语产出质量有一定程度的影响，并且两者呈显著的正相关性。这一研究结果对英语口语教学以及词汇教与学有重要的启示和帮助。关键词：词汇丰富度；口语产出质量；形符类符比哈尔滨T程大学硕十学位论文AbstractVocabularyisanessentialbuildingblockoflanguageanditisnowrecognizedasanimportantaspectofforeignlanguagelearning．Theuseofrichvocabularyisoneoftheobviouscharacter

3、isticsofhigh-qualityspokenproduction．However，empiricalstudiesontherelationshipoflexicaldiversitytothequalityoforalproductionhavebeenrarebothathomeandabroadSOfar．Thisthesisexaminestype-tokenration(TIX)whichcanbcusedtoevaluatelexicaldiversityandmeasurestherelat

4、ionshipoflexicaldiversitytothequalityoforalproductionbyanalyzing31second-yearpostgraduatesofnon-Englishmajors’speechtests．Inthisstudy，itisfoundthatlexicaldiversitytosomeextentinfluencesthequalityoforalproductionbyEFLlearners．Furthermore，lexicaldiversityisposi

5、tivelyrelatedtothequalityoforalproductionbyEFLlearners．ThefindingsofthepresentstudywillprovideInsightsintotheimprovementofEFLlearners’spokenEnglishandvocabularyteachingandlearning．Keywords：lexicaldiversity；thequalityoforalproduction；type-tokenratio(rrR)Acknow

6、ledgementsThisthesisisdedicatedtoallthepeoplewhohavehelpedme．Withouttheirguidanceandassistance，thecompletionofthethesisisimpossible．Firstofall，1wouldliketoexpressmydeepestgratitudetomysupervisor，Prof．DengXiaoming，aresponsibleandresourcefulscholar,forherenormo

7、uspatienceandinvaluableguidanceineverystageofthewritingofthisthesis．Withoutherenlighteninginstruction，impressivekindnessandexpertiseinthisfieldofresearch，Icouldnothavecompletedthisthesis．Inaddition，1wouldliketothankallmyrespectedteacherswhohavetaughtmeinmypos

8、tgraduatestudyfortwoyears，theyareProf．SunQiyao，Prof．ZhengYurong，Prof．WangLihao，Prof．XiHongrnei，Prof．BaoLiyingandAssociatePro．ZhangPengrong．ItisthemwholedmeintothemagicalworldofEnglish．Las