| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第7-12页 |
| Chapter One INTRODUCTION | 第12-15页 |
| ·Significance and Purpose of the Present Study | 第12-13页 |
| ·Structure of the Thesis | 第13-15页 |
| Chapter Two LITERATURE REVIEW | 第15-29页 |
| ·Brief Introduction of Product Approach and Scaffolding Instruction | 第15-17页 |
| ·The Theoretical Foundations of Scaffolding Instruction | 第17-20页 |
| ·Constructivism theory | 第17-18页 |
| ·Vygotsky’s socio-cultural theory | 第18-19页 |
| ·Vygotsky’s concept of Zone of Proximal Development (ZPD) | 第19-20页 |
| ·The Application of Scaffolding Instruction in Classroom Teaching | 第20-24页 |
| ·The types and characteristics of scaffoldings in classroom teaching | 第20-21页 |
| ·The main functions of scaffoldings | 第21-22页 |
| ·The steps and procedures of scaffolding instruction | 第22-23页 |
| ·The key to the application of scaffolding instruction | 第23-24页 |
| ·Related Studies on Scaffolding Instruction | 第24-27页 |
| ·Studies on scaffolding instruction abroad | 第24-26页 |
| ·Studies on scaffolding instruction in China | 第26-27页 |
| ·Previous Studies on Writing Teaching | 第27-29页 |
| Chapter Three METHODOLOGY | 第29-36页 |
| ·Research Questions | 第29-30页 |
| ·Participants | 第30页 |
| ·Instruments | 第30-32页 |
| ·Procedures | 第32-35页 |
| ·Data Collection and Processing | 第35-36页 |
| Chapter Four RESULTS AND DISCUSSION | 第36-55页 |
| ·Data Results and Analysis | 第36-47页 |
| ·Independent Samples Test for the pre-test and the post-test | 第36-40页 |
| ·Paired Samples Test | 第40-43页 |
| ·Analysis of the questionnaire | 第43-45页 |
| ·Interview analysis | 第45-47页 |
| ·Discussion | 第47-55页 |
| ·Overall effects of the scaffolding instruction on writing | 第47-49页 |
| ·Effects on the aspects of “content”“wording”and “organization” | 第49-51页 |
| ·Effects on the aspects of “grammar”and “coherence” | 第51-52页 |
| ·The learners’attitudes towards the scaffolding instruction | 第52-53页 |
| ·Effects on the learners’interest in English writing | 第53-55页 |
| Chapter Five CONCLUSION | 第55-59页 |
| ·Summary of Major Findings | 第55-56页 |
| ·Pedagogical Implications | 第56-57页 |
| ·Limitations of the Study and Suggestions for Future Study | 第57-59页 |
| BIBLIOGRAPHY | 第59-64页 |
| APPENDICES | 第64-72页 |
| Appendix Ⅰ Pre-test Paper and Post-test Paper | 第64-65页 |
| Appendix Ⅱ Questionnaire | 第65-66页 |
| Appendix Ⅲ Interview Questions | 第66-67页 |
| Appendix Ⅳ Pre-test Scores of the Control Class | 第67-68页 |
| Appendix Ⅴ Post-test Scores of the Control Class | 第68-69页 |
| Appendix Ⅵ Pre-test Scores of the Experimental Class | 第69-70页 |
| Appendix Ⅶ Post-test Scores of the Experimental Class | 第70-71页 |
| Appendix Ⅷ Publications | 第71-72页 |
