| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第7-9页 |
| Table of Contents | 第9-12页 |
| List of Tables | 第12-13页 |
| Chapter One Introduction | 第13-17页 |
| ·Research Background | 第13-15页 |
| ·Research Significance | 第15页 |
| ·Thesis Structure | 第15-17页 |
| Chapter Two Literature Review | 第17-28页 |
| ·Key Terms of the Study | 第17-19页 |
| ·Definition of motivation | 第17-18页 |
| ·Definition of demotivation | 第18-19页 |
| ·Theoretical Bases of the Study | 第19-22页 |
| ·Expectancy-value theories in L2 motivation research | 第19-20页 |
| ·Clement's concept of linguistic self-confidence | 第19-20页 |
| ·Attributions of L2 learning successes and failures | 第20页 |
| ·Self-determination theory and L2 motivation | 第20-21页 |
| ·Goal theories | 第21-22页 |
| ·Motivation and social context | 第22页 |
| ·Previous Studies on Demotivation | 第22-26页 |
| ·Study abroad | 第22-25页 |
| ·Study at home | 第25-26页 |
| ·Evaluations on Previous Studies | 第26-28页 |
| Chapter Three Methodology | 第28-32页 |
| ·Research Questions | 第28-29页 |
| ·Research Designs | 第29-32页 |
| ·Quantitative research | 第29-31页 |
| ·Subjects | 第29页 |
| ·Instrument | 第29-30页 |
| ·Data collection | 第30-31页 |
| ·Data analysis | 第31页 |
| ·Qualitative research | 第31-32页 |
| ·Subjects | 第31页 |
| ·Instrument | 第31页 |
| ·Data collection and data analysis | 第31-32页 |
| Chapter 4 Results and Discussion | 第32-42页 |
| ·The Global Tendency of High School Students’ Demotivation towards English | 第32-33页 |
| ·The Salient Demotivating Factors Affecting Each Grade Respectively | 第33-42页 |
| ·The salient demotivating factors affecting Grade 1 high school students' English learning | 第33-35页 |
| ·The salient demotivating factors affecting Grade 2 high school students' English learning | 第35-38页 |
| ·The salient demotivating factors affecting Grade 3 high school students' English learning | 第38-42页 |
| Chapter Five Conclusion | 第42-48页 |
| ·Major Findings of the Study | 第42-43页 |
| ·Pedagogical Implications | 第43-46页 |
| ·Implications for overcoming demotivation in English learning of Grade 1 and Grade 2 students | 第43-45页 |
| ·Implications for overcoming demotivation concerning attitudes toward English | 第43-44页 |
| ·Implications for overcoming demotivation concerning self-related factors | 第44页 |
| ·Implications for overcoming demotivation concerning course-related factors | 第44-45页 |
| ·Implications for overcoming demotivation in English learning of Grade 3 students | 第45-46页 |
| ·Implications for overcoming demotivation concerning parental influence | 第45-46页 |
| ·Implications for overcoming demotivation concerning English learning environment | 第46页 |
| ·Limitations and Suggestions for Future Studies | 第46-48页 |
| References | 第48-52页 |
| Appendix Ⅰ Demotivation Questionnaire | 第52-54页 |
| Appendix Ⅱ Outline of the Interview | 第54-55页 |
| Appendix Ⅲ Descriptive Statistics by SPSS 17.0 | 第55-61页 |