| 摘要 | 第1-8页 |
| Abstract | 第8-12页 |
| Chapter 1 Introduction | 第12-16页 |
| ·Research Orientation and General Research Questions | 第12-13页 |
| ·The Rationale of the Present Study | 第13-15页 |
| ·Organization of the Present Study | 第15-16页 |
| Chapter 2 Literature Review | 第16-30页 |
| ·Task-based Second Language Writing | 第16-23页 |
| ·The Background Information of Second Language Writing Pedagogies | 第16-19页 |
| ·The Definition of"Task". | 第19页 |
| ·Introduction of Task-based Second Language Writing Pedagogy | 第19-22页 |
| ·Types of Task-based Writing in the Present Study | 第22-23页 |
| ·Linguistic Features in Second Language Writing | 第23-28页 |
| ·A General Description of Linguistic Features in Second Language Writing | 第23-25页 |
| ·Linguistic Features Adopted in the Present Study | 第25-28页 |
| ·Summary | 第28-30页 |
| Chapter 3 Methodology | 第30-42页 |
| ·A General Description of the Relation between Task-based Types, Linguistic Features, and Quality of Second Language Writing | 第30页 |
| ·Specific Research Questions to Be Addressed in the Present Study | 第30-32页 |
| ·Procedures of the Present Study | 第32-37页 |
| ·Design | 第32-33页 |
| ·Participants | 第33-34页 |
| ·Second Language Learner Participants | 第33页 |
| ·Rater Participants | 第33-34页 |
| ·The Two Tasks in the Present Study | 第34-37页 |
| ·Task l: Argumentation | 第36页 |
| ·Task 2: Narration | 第36-37页 |
| ·Data Collection | 第37-39页 |
| ·The Scoring of the Writings | 第37-38页 |
| ·The Tagging of 21 Linguistic Features | 第38-39页 |
| ·Data Analysis | 第39-42页 |
| Chapter 4 Results and Findings | 第42-58页 |
| ·Quantitative Analysis | 第42-51页 |
| ·Comparison 1: Comparison between Argumentations & Narrations | 第42-46页 |
| ·Salient Linguistic Features in Argumentations | 第44-45页 |
| ·Salient Linguistic Features in Narrations | 第45-46页 |
| ·Comparison 2: Comparison between High-scoring Argumentations& High-scoring Narrations | 第46-48页 |
| ·Comparison 3: Comparison between High-scoring& Low-scoring Argumentations | 第48-50页 |
| ·Comparison 4: Comparison between High-scoring& Low-scoring Narrations | 第50-51页 |
| ·Comparison 5: Comparison between Salient Linguistic Features from Comparison 3& Salient Linguistic Features from Comparison | 第51页 |
| ·Qualitative Analysis | 第51-56页 |
| ·High-scoring Argumentation vs. High-scoring Narration | 第52-55页 |
| ·High-scoring Argumentation vs. Low-scoring Argumentation | 第55-56页 |
| ·High-scoring Narration vs. Low-scoring Narration | 第56页 |
| ·Summary | 第56-58页 |
| Chapter 5 Discussion of Results | 第58-66页 |
| ·Significant Differences of Linguistic Features between Argumentations and Narrations | 第58-63页 |
| ·Salient linguistic Features Specific to Argumentations | 第58-61页 |
| ·Salient linguistic Features Specific to Narrations | 第61-63页 |
| ·Significant Differences of Linguistic Features between High-scoring Argumentations & High-scoring Narrations | 第63-64页 |
| ·Significant Differences of Linguistic Features between High-scoring & Low-scoring Writings Within Groups Conclusions, Implication and Suggestions | 第64-66页 |
| Conclusions, Implications and Suggestions | 第66-73页 |
| Conclusions Drawn from the Present Study | 第66-67页 |
| Pedagogical Implications | 第67-70页 |
| Implication for Writing Assessment | 第70-71页 |
| Limitations of the Present Study and Suggestions for Further Research | 第71-73页 |
| References | 第73-78页 |
| Acknowledgements | 第78-79页 |
| Appendix A 攻读学位期间所发表的学术论文目录 | 第79-80页 |
| Appendix B 详细中文摘要 | 第80-83页 |
| Appendix C Two Tasks Addressed in the Study | 第83-84页 |
| APpendix D Four Writing Samples | 第84-89页 |
| Appendix E Scores of Argumentations & Narrations by Two Raters | 第89-90页 |
| Appendix F Linguistic Features in Argumentations & Narrations | 第90-101页 |
| Appendix G Linguistic Features in High-scoring Argumentations and High-scoring Narrations | 第101-104页 |
| Appendix H Linguistic Features in High-scoring & Low-scoring Argumentations | 第104-107页 |
| Appendix I Linguistic Features in High-scoring & Low-scoring Narrations | 第107-110页 |
