| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-12页 |
| Chapter One Introduction | 第12-17页 |
| 1.1 Background of the study | 第12-14页 |
| 1.2 Purpose of the study | 第14页 |
| 1.3 Significance of the Study | 第14-15页 |
| 1.4 Structure of the study | 第15-17页 |
| Chapter Two Literature Review | 第17-44页 |
| 2.1 Definition of motivation | 第17-18页 |
| 2.2 Definition of demotivation | 第18-20页 |
| 2.3 Major theories related to demotivation | 第20-32页 |
| 2.3.1 Maslow's Hierarchy of Needs Theory | 第21-23页 |
| 2.3.2 Expectancy-value Theory | 第23-24页 |
| 2.3.3 Self-efficacy Theory | 第24-25页 |
| 2.3.4 Self-determination Theory | 第25-27页 |
| 2.3.5 The Attribution Theory | 第27-28页 |
| 2.3.6 Gardner’s Motivation theory | 第28-29页 |
| 2.3.7 D?rnyei’s Three-Level Motivational Framework | 第29-31页 |
| 2.3.8 William and Burden’s social constructivist model of learning | 第31-32页 |
| 2.4 Previous Studies on demotivation at home and abroad | 第32-41页 |
| 2.4.1 Studies on demotivation abroad | 第32-39页 |
| 2.4.2 Studies on demotivation at home | 第39-41页 |
| 2.5 Reflections of previous studies on demotivation | 第41-44页 |
| 2.5.1 The limitations of research subjects | 第41-42页 |
| 2.5.2 The limitations of research contents | 第42页 |
| 2.5.3 The limitations of research methodology | 第42-44页 |
| Chapter Three Methodology | 第44-51页 |
| 3.1 Research questions | 第44页 |
| 3.2 Research participants | 第44-45页 |
| 3.2.1 Participants for the questionnaire | 第44-45页 |
| 3.2.2 Participants for the interview | 第45页 |
| 3.3 Research approaches | 第45-47页 |
| 3.3.1 Questionnaire | 第45-47页 |
| 3.3.2 Individual interview | 第47页 |
| 3.4 Data collection | 第47-49页 |
| 3.5 Data Analysis | 第49-51页 |
| Chapter Four Results and Discussion | 第51-80页 |
| 4.1 Research results for the questionnaire | 第51-72页 |
| 4.1.1 The description of demotivation degree of senior high school students’ English learning | 第51-57页 |
| 4.1.2 The description of demotivating factors perceived by senior high school students | 第57-72页 |
| 4.2 Research results for the interview | 第72-74页 |
| 4.2.1 The description of teacher-related factors | 第73页 |
| 4.2.2 The description of learning materials | 第73页 |
| 4.2.3 The description of past failures | 第73-74页 |
| 4.2.4 The description of peer influences and family environment | 第74页 |
| 4.3 Discussions | 第74-80页 |
| 4.3.1 Discussions for the research question one | 第75-76页 |
| 4.3.2 Discussions for the research question two | 第76-77页 |
| 4.3.3 Discussions for the research question three | 第77-80页 |
| Chapter five Conclusions and Implications | 第80-85页 |
| 5.1 Major findings of this study | 第80-82页 |
| 5.2 Implications for future EFL teaching and learning | 第82-84页 |
| 5.2.1 Enriching teachers’ teaching methods | 第82-83页 |
| 5.2.2 Improving English learning environment | 第83页 |
| 5.2.3 Communicating with teacher and students and mastering effective learning strategies | 第83-84页 |
| 5.3 Limitations of this study | 第84-85页 |
| References | 第85-89页 |
| Appendix A | 第89-93页 |
| Appendix B | 第93-94页 |
| Appendix C | 第94-95页 |
| 攻读学位期间所发表的学术论文 | 第95页 |
