| Acknowledgements | 第4-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第8-13页 |
| List of Abbreviations | 第13-14页 |
| Chapter One Introduction | 第14-16页 |
| 1.1 Background of the study | 第14页 |
| 1.2 Purpose and significance of the study | 第14-15页 |
| 1.3 Structure of the thesis | 第15-16页 |
| Chapter Two Literature Review | 第16-24页 |
| 2.1 Key term in the study | 第16-20页 |
| 2.1.1 Definition of scaffolding instruction | 第16-17页 |
| 2.1.2 Classification of scaffolding instruction | 第17-19页 |
| 2.1.3 Procedures of scaffolding instruction | 第19-20页 |
| 2.2 Theoretical bases in the study | 第20-21页 |
| 2.2.1 Constructivism theory | 第20-21页 |
| 2.2.2 The zone of proximal development theory | 第21页 |
| 2.3 Previous studies on scaffolding instruction abroad and at home | 第21-24页 |
| 2.3.1 Previous studies on scaffolding instruction abroad | 第21-22页 |
| 2.3.2 Previous studies on scaffolding instruction at home | 第22-24页 |
| Chapter Three Methodology | 第24-37页 |
| 3.1 Research questions | 第24页 |
| 3.2 Participants | 第24-25页 |
| 3.3 Instruments | 第25-26页 |
| 3.3.1 Pre-test | 第25-26页 |
| 3.3.2 Post-test | 第26页 |
| 3.3.3 The questionnaire | 第26页 |
| 3.4 Treatment | 第26-35页 |
| 3.4.1 The procedure of English writing instruction in experimental class | 第27-34页 |
| 3.4.2 The procedure of English writing instruction in control class | 第34-35页 |
| 3.5 Data Collection | 第35页 |
| 3.6 Data analysis | 第35-37页 |
| Chapter Four Results and Discussion | 第37-49页 |
| 4.1 Results | 第37-46页 |
| 4.1.1 Results of post-test | 第37-44页 |
| 4.1.1.1 Results of Independent Samples T-Test | 第37-40页 |
| 4.1.1.2 Results of Paired Samples T-Test | 第40-44页 |
| 4.1.2 Results of the questionnaire | 第44-46页 |
| 4.2 Discussion | 第46-49页 |
| 4.2.1 The students' writing quality improvement due to the scaffolding instruction | 第46-47页 |
| 4.2.2 The students' writing emotional enhancement due to the scaffolding instruction | 第47-49页 |
| Chapter Five Conclusion | 第49-52页 |
| 5.1 Major findings of this study | 第49-50页 |
| 5.2 Pedagogical implications | 第50页 |
| 5.3 Limitations and suggestions for future studies | 第50-52页 |
| References | 第52-55页 |
| Appendixes | 第55-63页 |
| Appendix Ⅰ:Pre-test for the two classes | 第55-56页 |
| Appendix Ⅱ:Post-test for the two classes | 第56-57页 |
| Appendix Ⅲ:Analytic rating criterion | 第57-58页 |
| Appendix Ⅳ:Questionnaire | 第58-59页 |
| Appendix Ⅴ:Pre-test scores of the control class | 第59-60页 |
| Appendix Ⅵ:Post-test scores of the control class | 第60-61页 |
| Appendix Ⅶ:Pre-test scores of the experimental class | 第61-62页 |
| Appendix Ⅷ:Post-test scores of the experimental class | 第62-63页 |
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