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续写任务类型和二语水平对英语写作词汇丰富性的影响研究

Abstract第8-9页
摘要第10-16页
Chapter One Introduction第16-21页
    1.1 Background of the Study第16-17页
    1.2 Statement of the Problem第17-18页
    1.3 Purpose and Method of the Study第18页
    1.4 Significance of the Study第18-19页
    1.5 Organization of the Thesis第19-21页
Chapter Two Literature Review第21-40页
    2.1 Introduction第21页
    2.2 Definitions of Key Terms第21-25页
        2.2.1 Lexical Richness第21-24页
        2.2.2 Continuation Task第24-25页
    2.3 Previous Studies on Lexical Richness第25-33页
        2.3.1 Studies on Lexical Richness and Writing Quality第25-27页
        2.3.2 Studies on Factors Influencing Lexical Richness第27-30页
        2.3.3 Studies on Developmental Features of Lexical Richness第30-33页
    2.4 Previous Studies on Continuation Tasks第33-38页
        2.4.1 Studies on Continuation Tasks at Word and Phrase Levels第33-37页
        2.4.2 Studies on Continuation Tasks at Sentence and Discourse Levels第37-38页
    2.5 Research Gaps and Research Questions第38-39页
    2.6 Chapter Summary第39-40页
Chapter Three Methodology第40-49页
    3.1 Introduction第40页
    3.2 Participants第40-41页
    3.3 Writing Tasks第41-42页
    3.4 Source of Data第42-43页
    3.5 Data Collection Procedure第43-44页
        3.5.1 Conducting the Pilot Study第43-44页
        3.5.2 Collecting Students' Writing Samples第44页
    3.6 Data Analysis Framework第44-47页
        3.6.1 Measurements of Lexical Richness第45页
        3.6.2 Analyzing the Writing Samples第45-46页
        3.6.3 Statistical Treatment with SPSS第46-47页
        3.6.4 Qualitative Analysis of the Data第47页
    3.7 Chapter Summary第47-49页
Chapter Four Results and Discussion第49-110页
    4.1 Introduction第49页
    4.2 Continuation Task Types and Lexical Richness第49-66页
        4.2.1 Lexical Richness in Reading-to-write Continuation Task第49-55页
        4.2.2 Lexical Richness in Keyword-cued Continuation Task第55-60页
        4.2.3 Cross-type Comparison of Lexical Richness第60-66页
    4.3 Proficiency Levels and Lexical Richness第66-82页
        4.3.1 Lexical Richness of High-level Students第67-72页
        4.3.2 Lexical Richness of Low-level Students第72-77页
        4.3.3 Cross-level Comparison of Lexical Richness第77-82页
    4.4 Task Types, Proficiency Levels and Lexical Richness第82-104页
        4.4.1 Lexical Richness in High-level Reading-to-write Task Group第82-86页
        4.4.2 Lexical Richness in High-level Keyword-cued Task Group第86-90页
        4.4.3 Lexical Richness in Low-level Reading-to-write Task Group第90-94页
        4.4.4 Lexical Richness in Low-level Keyword-cued Task Group第94-98页
        4.4.5 Cross-Group Comparison of Lexical Richness第98-104页
    4.5 General Discussion第104-109页
        4.5.1 The Alignment Effect of the Reading-to-write Continuation Task第104-107页
        4.5.2 The Facilitating Effect of English Proficiency第107-108页
        4.5.3 More Positive Effects on Low-proficient Students第108-109页
    4.6 Chapter Summary第109-110页
Chapter Five Conclusion第110-115页
    5.1 Summary of the Study第110-111页
    5.2 Implications of the Study第111-112页
    5.3 Limitations of the Study第112-113页
    5.4 Suggestions for Future Studies第113-115页
References第115-123页
Appendix Ⅰ第123-124页
Appendix Ⅱ第124-125页
Appendix Ⅲ第125-126页
Acknowledgements第126-127页
学位论文评阅及答辩情况表第127页

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