| Acknowledgements | 第1-10页 |
| Abstract | 第10-13页 |
| 内容摘要 | 第13-15页 |
| Chapter One Introduction | 第15-17页 |
| ·Background | 第15-16页 |
| ·Purpose and Significance of the Research | 第16页 |
| ·Layout of This Thesis | 第16-17页 |
| Chapter Two Literature Review | 第17-32页 |
| ·Theoretical Bases | 第17-19页 |
| ·Affective filter hypothesis | 第17页 |
| ·Zone of proximal development | 第17-18页 |
| ·Output hypothesis | 第18-19页 |
| ·Interaction hypothesis | 第19页 |
| ·Reticence | 第19-26页 |
| ·Definition of reticence | 第19-21页 |
| ·Definition of students' reticence | 第21-22页 |
| ·Functions of reticence | 第22-23页 |
| ·Meanings of reticence | 第23-24页 |
| ·Classification of reticence | 第24-26页 |
| ·Previous Studies on Reticence | 第26-31页 |
| ·Previous studies on students' reticence abroad | 第26-29页 |
| ·Previous studies on students' reticence at home | 第29-31页 |
| ·Limitations of Previous Studies and Value of This Thesis | 第31-32页 |
| Chapter Three Research Design | 第32-40页 |
| ·Research Questions | 第32页 |
| ·Subjects | 第32-34页 |
| ·Instruments | 第34-38页 |
| ·Classroom observation | 第34-36页 |
| ·Questionnaire | 第36页 |
| ·Interviews | 第36-38页 |
| ·Data Collection and Analysis | 第38-40页 |
| Chapter Four Results and Discussion | 第40-66页 |
| ·Degree of Students' Reticence in Classroom | 第40-43页 |
| ·Results from classroom observation | 第40-42页 |
| ·Results from teacher interviews | 第42-43页 |
| ·Summary | 第43页 |
| ·Major Factors Affecting Students' Reticence in Classroom | 第43-66页 |
| ·Analysis from the perspective of Chinese culture and tradition | 第43-48页 |
| ·Analysis from the perspective of students' personality | 第48-51页 |
| ·Analysis from the perspective of students' language proficiency | 第51-54页 |
| ·Analysis from the perspective of the teachers | 第54-59页 |
| ·Analysis from the perspective of the teaching material | 第59-62页 |
| ·Analysis from the perspective of the classroom environment | 第62-66页 |
| Chapter Five Conclusion | 第66-71页 |
| ·Major Findings | 第66-67页 |
| ·Pedagogical Implications | 第67-70页 |
| ·Limitations and Suggestions for Further Research | 第70-71页 |
| References | 第71-76页 |
| Appendices | 第76-81页 |
