| 摘要 | 第1-13页 |
| Abstract | 第13-17页 |
| Chapter One Introduction | 第17-27页 |
| ·Research Background | 第17-22页 |
| ·Purpose and Significance of the Study | 第22-25页 |
| ·Structure of the Study | 第25-27页 |
| Chapter Two Literature Review | 第27-66页 |
| ·Overview of Teacher Intervention in L2 Development | 第27-30页 |
| ·Definitions and Categorizations of Teacher Intervention | 第30-34页 |
| ·Views of Traditional Teacher Intervention | 第34-46页 |
| ·Limitations of Traditional Teacher Intervention | 第35-38页 |
| ·Utility of Traditional Teacher Intervention | 第38-40页 |
| ·Specific Discussions of Traditional Teacher Intervention | 第40-46页 |
| ·Krashen's Natural Approach and Other Communication-oriented Approaches | 第46-56页 |
| ·Natural Approach as Communicative Approach | 第48页 |
| ·Natural Approach and Content-based Approach | 第48-50页 |
| ·Natural Approach and Task-based Instruction | 第50-51页 |
| ·Theoretical Framework of Teacher Intervention | 第51-56页 |
| ·Constructivist View of Teacher Intervention in L2 Learning | 第56-66页 |
| ·Historical Background | 第57-60页 |
| ·Arguments about Constructivist View of Teacher Intervention | 第60-63页 |
| ·"Mediation Theory"——New Development of Constructivism | 第63-66页 |
| Chapter Three Methodology and a Preliminary Study | 第66-92页 |
| ·Quantitative Methodology | 第66-68页 |
| ·Questionnaires | 第67页 |
| ·Experiments | 第67-68页 |
| ·Qualitative Methodology | 第68-69页 |
| ·Teachers' Journals | 第68-69页 |
| ·Interviews,Classroom Observations and Students' Feedback | 第69页 |
| ·Chinese English Learners' Evaluation of Traditional Teacher Intervention in General | 第69-80页 |
| ·Background | 第71页 |
| ·Questionnaire Design | 第71页 |
| ·Results and Discussions | 第71-74页 |
| ·Further Insights | 第74-80页 |
| ·American College Students' General Evaluation of Traditional Teacher Intervention | 第80-91页 |
| ·Questionnaire Design | 第81页 |
| ·Results and Discussions | 第81-90页 |
| ·Reflections and Suggestions | 第90-91页 |
| ·Summary | 第91-92页 |
| Chapter Four Differential Effects of Etymological Instruction and TenseInstruction in L2 Learning | 第92-110页 |
| ·Background | 第92-94页 |
| ·Differential Effects of Teacher Intervention in Vocabulary Learning | 第94-100页 |
| ·Experiment Design | 第94-95页 |
| ·Results and Discussions | 第95-100页 |
| ·Differential Effects of Teacher Intervention in Tense Learning | 第100-109页 |
| ·Preliminary Remarks | 第100-103页 |
| ·Experiment Design | 第103-105页 |
| ·Results and Discussions | 第105-109页 |
| ·Summary | 第109-110页 |
| Chapter Five A Comparative Study of Teacher Intervention in Second LanguageLearning | 第110-132页 |
| ·A Comparative Study of Teacher Intervention in Oral English Learning | 第110-124页 |
| ·Background | 第110-114页 |
| ·Experiment Design | 第114-116页 |
| ·Results and Discussions | 第116-120页 |
| ·Peer Evaluation of Oral Project Performance | 第120-124页 |
| ·A Comparative Study of Teacher Intervention in Essay Writing | 第124-130页 |
| ·Experiment Design | 第124-125页 |
| ·Results and Discussions | 第125-128页 |
| ·Further Insights | 第128-130页 |
| ·Summary | 第130-132页 |
| Chapter Six Conclusions and Implications | 第132-144页 |
| ·Findings | 第132-135页 |
| ·Pedagogical Implications | 第135-141页 |
| ·Limitations and Direction for Future Study | 第141-144页 |
| References | 第144-178页 |
| Appendices | 第178-202页 |
| Acknowledgements | 第202-204页 |
