| 摘要 | 第4-6页 |
| Abstract | 第6-8页 |
| List of Abbreviations | 第9-12页 |
| Chapter One Introduction | 第12-16页 |
| 1.1 Research Background | 第12-13页 |
| 1.2 Significance of the Study | 第13-14页 |
| 1.3 Organization of the Study | 第14-16页 |
| Chapter Two Literature Review | 第16-39页 |
| 2.1 Research on Syntactic Complexity in Writing | 第16-25页 |
| 2.1.1 Research Abroad | 第16-20页 |
| 2.1.2 Research at Home | 第20-25页 |
| 2.1.3 Conclusion | 第25页 |
| 2.2 Theoretical Framework: Dynamic Systems Theory | 第25-27页 |
| 2.3 Major Terms of Syntactic Complexity | 第27-38页 |
| 2.3.1 Definition of Complexity | 第27-28页 |
| 2.3.2 Measures of Syntactic Complexity | 第28-38页 |
| 2.4 Summary | 第38-39页 |
| Chapter Three Research Design | 第39-44页 |
| 3.1 Research Questions | 第39页 |
| 3.2 Data Collection | 第39-41页 |
| 3.2.1 Data | 第39-40页 |
| 3.2.2 Subjects and Instruments | 第40-41页 |
| 3.3 Research Procedure | 第41-43页 |
| 3.3.1 Indices in this Study | 第41-42页 |
| 3.3.2 Research Design | 第42-43页 |
| 3.4 Data Analysis | 第43-44页 |
| Chapter Four Results and Discussion | 第44-77页 |
| 4.1 Syntactic Complexity Features in Different Groups | 第44-59页 |
| 4.1.1 Statistics on Scores | 第44-45页 |
| 4.1.2 Statistics on Unit Length | 第45-48页 |
| 4.1.3 Statistics on Unit Density | 第48-50页 |
| 4.1.4 Statistics on Sentence Patterns | 第50-52页 |
| 4.1.5 Statistics on Clause Types | 第52-56页 |
| 4.1.6 Statistics on Reduced Structures | 第56-58页 |
| 4.1.7 Statistics on Passive Forms | 第58-59页 |
| 4.2 Correlation Analysis Between Syntactic Complexity Features and Writing Proficiency | 第59-65页 |
| 4.2.1 Correlation Analysis Between Unit Length and the Composition Quality | 第60页 |
| 4.2.2 Correlation Analysis Between Unit Density and the Composition Quality | 第60-61页 |
| 4.2.3 Correlation Analysis Between Sentence Patterns and the Composition Quality | 第61-62页 |
| 4.2.4 Correlation Analysis Between Clause Types and the Composition Quality | 第62-63页 |
| 4.2.5 Correlation Analysis Between Reduced Structures and the Composition Quality | 第63-64页 |
| 4.2.6 Correlation Analysis Between Passive Forms and the Composition Quality | 第64-65页 |
| 4.3 Discussions on the Results | 第65-77页 |
| 4.3.1 Discussions on the Results of Unit Length Analysis | 第65-68页 |
| 4.3.2 Discussions on the Results of Unit Density Analysis | 第68-69页 |
| 4.3.3 Discussions on the Results of Basic Sentence Pattern Analysis | 第69-71页 |
| 4.3.4 Discussions on the Results of Clause Types Analysis | 第71-74页 |
| 4.3.5 Discussions on the Results of Reduced Structures | 第74-75页 |
| 4.3.6 Discussions on the Results of Passive Forms | 第75-77页 |
| Chapter Five Conclusion | 第77-81页 |
| 5.1 Major Findings | 第77-79页 |
| 5.2 Implications of this Study | 第79页 |
| 5.3 Limitations of the Present Study | 第79-80页 |
| 5.4 Suggestions for Further Study | 第80-81页 |
| References | 第81-85页 |
| Appendix Ⅰ Definitions of T-units, Clauses | 第85-87页 |
| Appendix Ⅱ Sample Data | 第87-89页 |
| 作者简介 | 第89-90页 |
| Acknowledgements | 第90页 |
