| ACKNOWLEDGEMENTS | 第7-8页 |
| ABSTRACT | 第8-9页 |
| 摘要 | 第10-14页 |
| CHAPTER I INTRODUCTION | 第14-18页 |
| 1.1 Background to the Study | 第14页 |
| 1.2 The Issue and Focus | 第14-16页 |
| 1.3 Significance of the Study | 第16页 |
| 1.4 Organization of the Thesis | 第16-18页 |
| CHAPTER II LITERATURE REVIEW | 第18-35页 |
| 2.1 Theoretical Frameworks | 第18-22页 |
| 2.1.1 Models of the Writing Process | 第18-19页 |
| 2.1.2 Kellogg’s Model of Working Memory in Writing | 第19-20页 |
| 2.1.3 The Role of Planning in the Writing Process | 第20-21页 |
| 2.1.4 The Role of Collaborative Learning | 第21-22页 |
| 2.2 Peer Collaboration in English Writing | 第22-23页 |
| 2.3 Attitudes of Pairs Towards Writing in Collaboration | 第23-25页 |
| 2.4 Effects of Pre-writing Planning on English Written Performance | 第25-35页 |
| 2.4.1 Effects of Individual Pre-writing planning | 第25-30页 |
| 2.4.2 The Effects of Writing in Collaboration | 第30-35页 |
| CHAPTER III METHODOLOGY | 第35-46页 |
| 3.1 Research Aim and Questions | 第35-36页 |
| 3.2 Research Design | 第36-38页 |
| 3.3 Research Subjects | 第38页 |
| 3.4 Research Instruments | 第38-42页 |
| 3.4.1 Pre-test Materials | 第38-39页 |
| 3.4.2 Pre-Structured Planning Tasks | 第39-40页 |
| 3.4.3 Writing Tasks | 第40-41页 |
| 3.4.4 Questionnaire Survey | 第41-42页 |
| 3.5 Data Collection and Analysis | 第42-46页 |
| 3.5.1 Data Collection | 第42-43页 |
| 3.5.2 Data Analysis | 第43-46页 |
| CHAPTER IV RESULTS AND DISCUSSION | 第46-57页 |
| 4.1 Results | 第46-53页 |
| 4.1.1 Pre-Test Results | 第46页 |
| 4.1.2 Written Texts Comparison | 第46-51页 |
| 4.1.3 Questionnaires Results | 第51-53页 |
| 4.2 Discussion | 第53-57页 |
| 4.2.1 Effects of Pre-writing Collaborative Planning on Writing Quality | 第53-55页 |
| 4.2.2 Learners’ Attitudes Towards Pre-writing Collaborative Planning | 第55-57页 |
| CHAPTER V CONCLUSION | 第57-61页 |
| 5.1 Conclusions | 第57-58页 |
| 5.2 Contributions and Implications for English Writing | 第58-59页 |
| 5.3 Limitations and Suggestions for Future Research | 第59-61页 |
| REFERENCES | 第61-64页 |
| Appendix A. the overall score evaluation rubrics An essay at this level largelyaccomplishes all of the following | 第64-65页 |
| Appendix B.“narrative writing”pre-writing task in Collaborative Planning Condition | 第65-66页 |
| Appendix C.“narrative writing”pre-writing task in Individual Planning Condition .. 53Appendix D. questionnaire | 第66-67页 |
| Appendix D. questionnaire | 第67页 |
