| Abstract | 第5-6页 |
| 摘要 | 第7-10页 |
| Chapter One Introduction | 第10-16页 |
| 1.1 Background of the research | 第10-11页 |
| 1.2 The present situation in English writing teaching of vocational college | 第11-12页 |
| 1.3 The purpose and significance of the research | 第12-14页 |
| 1.4 Organization of this paper | 第14-16页 |
| Chapter Two Literature Review | 第16-27页 |
| 2.1 Writing and related studies on writing teaching | 第16-17页 |
| 2.2 Scaffolding instruction | 第17-22页 |
| 2.2.1 Definition of scaffolding instruction | 第18-19页 |
| 2.2.2 Guiding principles of scaffolding instruction | 第19-20页 |
| 2.2.3 Procedures and steps of scaffolding instruction | 第20页 |
| 2.2.4 Theoretical framework of scaffolding instruction | 第20-22页 |
| 2.3 Related studies on scaffolding instruction | 第22-27页 |
| 2.3.1 Related studies on scaffolding instruction abroad | 第22-24页 |
| 2.3.2 Related studies on scaffolding instruction at home | 第24-27页 |
| Chapter Three Research Methodology | 第27-39页 |
| 3.1 Research questions | 第27页 |
| 3.2 Participants | 第27页 |
| 3.3 Instruments | 第27-30页 |
| 3.3.1 Questionnaire | 第28-29页 |
| 3.3.2 Tests | 第29页 |
| 3.3.3 Interview | 第29-30页 |
| 3.4 Research procedures | 第30页 |
| 3.5 Teaching procedures | 第30-39页 |
| 3.5.1 The procedure of writing teaching in Experimental Class | 第31-33页 |
| 3.5.2 A teaching case of scaffolding instruction on writing | 第33-37页 |
| 3.5.3 The procedure of writing teaching in Control Class | 第37页 |
| 3.5.4 A teaching case of traditional teaching mode on writing | 第37-39页 |
| Chapter Four Data analysis and discussion | 第39-58页 |
| 4.1 Analysis and discussion of the questionnaire | 第39-48页 |
| 4.1.1 Analysis of the questionnaire in the EC and the CC before experiment | 第39-42页 |
| 4.1.2 Analysis of the questionnaire in the EC and the CC after experiment | 第42-47页 |
| 4.1.3 Discussion of the analysis data in questionnaire | 第47-48页 |
| 4.2 Analysis and discussion of pre-test and post-test | 第48-55页 |
| 4.2.1 Analysis of Independent Samples Test for pre-test and post-test | 第48-50页 |
| 4.2.2 Analysis of Paired Samples Test for pre-test and post-test | 第50-54页 |
| 4.2.3 Discussion of the analysis data in pre-test and post-test | 第54-55页 |
| 4.3 Analysis and discussion of the interview | 第55-58页 |
| Chapter Five Conclusion | 第58-63页 |
| 5.1 Major findings | 第58-59页 |
| 5.2 Implications | 第59-61页 |
| 5.3 Limitations | 第61页 |
| 5.4 Suggestions for further research | 第61-63页 |
| Bibliography | 第63-66页 |
| Appendix Ⅰ：Questionnaire | 第66-67页 |
| Appendix Ⅱ : Grading criteria | 第67-68页 |
| Appendix Ⅲ : Pre-test writing | 第68-69页 |
| Appendix Ⅳ: Post-test writing | 第69-70页 |
| Appendix Ⅴ: The scores of EC and CC in writing test and questionnaire | 第70-75页 |
| Appendix Ⅵ：The example of pigai APP | 第75-76页 |
| Appendix Ⅶ: Interview questions | 第76-77页 |
| Acknowledgements | 第77-78页 |
| The list of the research papers published by the author | 第78-79页 |
