| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第9-14页 |
| List of Abbreviations | 第14-17页 |
| Chapter One Introduction | 第17-23页 |
| 1.1 Research Background | 第17-20页 |
| 1.1.1 Writing Requirements in Senior High School | 第17-18页 |
| 1.1.2 Current Situation of English Writing in Senior High School | 第18-20页 |
| 1.2 Research Objectives | 第20页 |
| 1.3 Research Significance | 第20-22页 |
| 1.4 Organization of the Thesis | 第22-23页 |
| Chapter Two Literature Review | 第23-41页 |
| 2.1 Studies on Teaching Approaches of English Writing Abroad and at Home | 第23-27页 |
| 2.1.1 Related Studies Abroad | 第23-26页 |
| 2.1.2 Related Studies at Home | 第26-27页 |
| 2.2 Introduction of Scaffolding Instruction | 第27-35页 |
| 2.2.1 Definition and Characteristics of Scaffolding | 第27-29页 |
| 2.2.2 Classification of Scaffolding | 第29-32页 |
| 2.2.3 Definition and Design Principles of Scaffolding Instruction | 第32-34页 |
| 2.2.4 Basic Links of Scaffolding Instruction | 第34-35页 |
| 2.3 Studies on Scaffolding Instruction Abroad and at Home | 第35-38页 |
| 2.3.1 Studies on Scaffolding Instruction Abroad | 第36-37页 |
| 2.3.2 Studies on Scaffolding Instruction at Home | 第37-38页 |
| 2.4 Relationship between Scaffolding Instruction and EFL Writing | 第38-39页 |
| 2.5 Summary | 第39-41页 |
| Chapter Three Theoretical Framework | 第41-47页 |
| 3.1 Constructivism | 第41-43页 |
| 3.1.1 Learning Views of Constructivism | 第41-42页 |
| 3.1.2 Teaching Views of Constructivism | 第42-43页 |
| 3.2 Vygotsky’s Concept of Zone of Proximal Development | 第43-45页 |
| 3.3 Summary | 第45-47页 |
| Chapter Four Methodology | 第47-65页 |
| 4.1 Research Questions | 第47页 |
| 4.2 Participants | 第47-48页 |
| 4.3 Instruments | 第48-51页 |
| 4.3.1 Tests | 第48-49页 |
| 4.3.2 Questionnaires | 第49-51页 |
| 4.3.3 Interview | 第51页 |
| 4.4 Experimental Procedures | 第51-63页 |
| 4.4.1 The Procedures of English Writing Instruction in CC | 第52-53页 |
| 4.4.2 The Procedures of English Writing Instruction in EC | 第53-57页 |
| 4.4.3 A Sample of English Writing in Senior High School under the Guidanceof Scaffolding Instruction | 第57-63页 |
| 4.5 Data Collection | 第63-65页 |
| Chapter Five Results and Discussion | 第65-89页 |
| 5.1 Results of Pre-test and Post-test Data | 第65-77页 |
| 5.1.1 Results of the Pre-test in EC and CC | 第65-68页 |
| 5.1.2 Comparison of the Pre-test and the Post-test in the EC | 第68-71页 |
| 5.1.3 Comparison of the Pre-test and the Post-test in the CC | 第71-74页 |
| 5.1.4 Results of the Pre-test and the Post-test in EC and CC | 第74-77页 |
| 5.2 Results of Questionnaire Data | 第77-83页 |
| 5.2.1 Results of Questionnaire I | 第77-82页 |
| 5.2.2 Results of Questionnaire II | 第82-83页 |
| 5.3 Results of the Interview | 第83-85页 |
| 5.4 Discussion | 第85-89页 |
| 5.4.1 Discussion in Relation to Research Question One | 第85-87页 |
| 5.4.2 Discussion in Relation to Research Question Two | 第87-89页 |
| Chapter Six Conclusions | 第89-95页 |
| 6.1 Major Findings | 第89-91页 |
| 6.2 Pedagogical Implications | 第91-92页 |
| 6.3 Limitations | 第92-93页 |
| 6.4 Suggestions for Further Studies | 第93-95页 |
| References | 第95-101页 |
| Appendices | 第101-125页 |
| Appendix A Pre-test Papers for the Two Classes | 第101-102页 |
| Appendix B Post-test Papers for the Two Classes | 第102-103页 |
| Appendix C Writing Samples for Reference | 第103-104页 |
| Appendix D Evaluation Standard for English Writing | 第104-107页 |
| Appendix E Questionnaire I & Questionnaire II | 第107-110页 |
| Appendix F Interview Questions | 第110-111页 |
| Appendix G Cronbach’s Alphas of Questionnaire I and Questionnaire II | 第111-114页 |
| Appendix H Scores of the EC & CC in Pre-test and Post-test | 第114-118页 |
| Appendix I Scores of the Four Writing Aspects of EC & CC in Pre-test andPost-test | 第118-125页 |
