Acknowledgements3-4
Abstract4-6
摘要6-8
Table of Contents8-10
List of Tables10-11
Chapter One Introduction11-14
1.1 General Description of the Study11
1.2 Motivations of the Study11-12
1.3 Significance of the Study12-13
1.4 Overall Structure of the Study13-14
Chapter Two Literature Review14-30
2.1 Key Terms in the Study14-23
2.1.1 Definition of Underachievers14-15
2.1.2 Definition of Language Learning Strategies15-17
2.1.3 Definition of Vocabulary Learning Strategies17
2.1.4 Definition of Action Research17-18
2.1.5 Classifications of Vocabulary Learning Strategies18-20
2.1.6 Characteristics and Process of Action Research20-23
2.2 Theoretical Foundations in This Study23-24
2.2.1 Constructivi Theory23
2.2.2 Deep Processing Theory23-24
2.3 Research on Vocabulary Learning Strategies24-27
2.3.1 Research abroad24-26
2.3.2 Research in China26-27
2.4 Previous Studies on Underachievers at Home and Abroad27-30
Chapter Three Methodology30-35
3.1 Research Questions30-31
3.2 Subject31
3.2.1 Selection of the Subject31
3.2.2 The Basic Information of the Subject31
3.3 Instruments31-33
3.3.1 Questionnaire32
3.3.2 Interviews32-33
3.3.3 Vocabulary Tests33
3.4 Data Collection and Data Analysis33-35
Chapter Four The Process of Action Research35-58
4.1 Problem Identification35-36
4.2 Plan Making36-37
4.3 Plan Implementation37-51
4.4 Reflections51-58
4.4.1 Answers to the research questions51-54
4.4.2 Reflections on the Subject's Changes54-57
4.4.2.1 The Subject's Changes of Usage of Vocabulary Learning Strategies before and after the Instruction54-55
4.4.2.2 The Results and Discussion of the Interviews55-57
4.4.3 Reflections on the Teacher's Change57-58
Chapter Five Conclusion58-62
5.1 Major Findings58-59
5.2 Pedagogical Imppcations59-60
5.3 Limitations and Suggestions for Future Research60-62
References62-66
Appendix Ⅰ66-69
Appendix Ⅱ69-72
Appendix Ⅲ72-75