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1、 学号：2009021379 姓名： 沈晓婷 联系电话：15865276398 Email: niuniu0116 学院：山东师范大学外国语学院 单 位 代 码 10445 学 号 2009021379 分 类 号 H319 研究生类别 全日制 硕 士 学 位 论 文 论文题目论文题目 The Empirical Study on the Correlation Between Lexical Chunks and College Students Oral Fluency 语块对大学生英语口语流利性影响的实证研究语块对大学生英语口语流利性影响的实证研究 学科专业名称 课程与教学论（英语） 申
2、 请 人姓名 沈晓婷 导 师 姓 名 马茂祥 教授 论文提交时间 2012 年 05 月 04 日 The Empirical Study on the Correlation Between Lexical Chunks and College Students Oral Fluency By Shen Xiaoting Under the Supervision of Professor Ma Maoxiang A Thesis Submitted to Foreign Language College In Candidacy for the Degree of Master of Ed
3、ucation Shandong Normal University Jinan, Shandong China May, 2012 独独 创创 声声 明明 本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的 研究成果。据我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其 他 人 已 经 发 表 或 撰 写 过 的 研 究 成 果 ， 也 不 包 含 为 获 得 _ （注：如没有其他需要特别声明的，本栏可空）或 其他教育机构的学位或证书使用过的材料。 与我一同工作的同志对本研究所做的 任何贡献均已在论文中作了明确的说明并表示谢意。 学位论文作者签名： 学位论文版权使用授权
4、书学位论文版权使用授权书 本学位论文作者完全了解 学校学校 有关保留、使用学位论文的规定，有权 保留并向国家有关部门或机构送交论文的复印件和磁盘，允许论文被查阅和借 阅。 本人授权 学校学校 可以将学位论文的全部或部分内容编入有关数据库进行 检索，可以采用影印、缩印或扫描等复制手段保存、汇编学位论文。 （保密的学 位论文在解密后适用本授权书） 学位论文作者签名： 导师签字： 签字日期：20 年 月 日 签字日期：20 年 月 Contents Abstract i 摘要摘要 . iii List of Abbreviations v List of Tables and Figures . v
5、ii Chapter One Introduction 1 1.1 Background of the Study 1 1.2 Research Purposes and Significance . 3 1.3 Overall Structure of the Study 4 Chapter Two Literature Review . 7 2.1 Lexical Chunks . 7 2.1.1 Definition of Lexical Chunks 7 2.1.2 Classification of Lexical Chunks 9 2.1.3 Function of Lexical
6、 Chunks 11 2.2 Oral Fluency 13 2.2.1 Definition of Oral Fluency 13 2.2.2 The Interpretative Models of Fluency Development 16 2.2.3 Measurement of L2 Oral Fluency . 24 2.3 Empirical Studies 26 Chapter Three Methodology . 29 3.1 Research Design 29 3.1.1 Research Approach . 29 3.1.2 Working Definition
7、of L2 Oral Fluency 29 3.1.3 Working Definition of Lexical Chunks . 31 3.2 Participants 32 3.3 Instruments 33 3.3.1 Oral-English Production . 33 3.3.2 The Tool-Cool Edit Software 34 3.4 Procedures . 34 3.4.1 Pretest and Posttest . 34 3.4.2 Instruction on the Experimental Group . 35 3.4.3 Instruction
8、on the Control Group 38 3.5 Data Collection . 39 3.6 Data Analysis 40 3.6.1 Analysis of L2 Oral Fluency . 40 3.6.2 Analysis of Lexical Chunks 41 3.6.3 Analysis of the Correlation . 41 Chapter Four Results and Discussion 43 4.1 Results and Discussion on L2 Oral Fluency . 43 4.1.1 Results and Discussi
9、on on Temporal Indexes . 43 4.1.2 Results and Discussion on Linguistic Indexes 46 4.1.3 Results and Discussion on Performing Indexes 48 4.2 Results and Discussion on Lexical Chunks 48 4.3 Results and Discussion on the Correlation . 49 Chapter Five Conclusion . 53 5.1 Major Findings 53 5.2 Pedagogic
10、Implications . 56 5.3 Limitations of the Present Study and Suggestions for Further Study . 57 Bibliography . 59 Appendix I 67 Appendix II . 69 Appendix III . 71 Published Paper . 73 Acknowledgments 75 山东师范大学硕士学位论文 i Abstract Oral English has received considerable attention in foreign language teachi
11、ng and recruitment. Oral fluency is also regarded as one of the essential requirements of the ability for foreign language communication. There are a majority of factors that influence oral fluency. In recent years, more and more researchers at home and abroad have come to the common ground that lex
12、ical chunks play a positive role in language acquisition and oral production. Based on lexical chunks, the author carries on an empirical research on the correlation between lexical chunks and oral fluency of college non-English majors. A follow-up survey is conducted in the present study. The resea
13、rcher collects 120 samples of impromptu topics twice from the sophomores of Shandong University of Political Science and Law, and the sampling period lasts a semester to investigate the correlation between the use of lexical chunks and the development of oral English fluency. Data collected in the s
14、urvey tries to answer the following three questions. (1) Are there any differences of oral fluency indexes between two tests? Is there remarkable improvement on oral fluency? (2) Is there any noteworthy development on the number, diversity, average length and frequency of lexical chunks? (3) Is ther
15、e any correlation between the application of lexical chunks and oral fluency? The author adopts a longitudinal method to incorporate lexical chunks into second language oral fluency. First, apply Cool Edit 2.1 to analyze the differences of eight indexes of oral fluency in the pretest and posttest. S
16、econd, count out the number of the lexical chunks in each sample, and calculate their average length, diversity and variety. Third, a series of independent sample t-tests and paired sample t-tests are used to analyze oral fluency indexes and the use of lexical chunks of the two tests by the help of SPSS17.0. Next, employ Multiple Regression method which analyze
