| Chapter 1 Introduction | 第1-13页 |
| Chapter 2 Literature Review | 第13-43页 |
| ·Concept and Effects of Negotiation of Meaning | 第13-29页 |
| ·Concept of Negotiation of Meaning | 第13-16页 |
| ·Effects of Negotiation of Meaning | 第16-21页 |
| ·Procedures of Negotiation of Meaning | 第21-24页 |
| ·Factors Affecting the Process of Negotiation of Meaning | 第24-29页 |
| ·An Optimal Approach Facilitative of Negotiation of Meaning | 第29-38页 |
| ·The Theoretical foundation for a Task-based Approach | 第30-33页 |
| ·Characteristics and Roles of Tasks | 第33-34页 |
| ·Rationale Underlying the Roles of Tasks | 第34-38页 |
| ·Standards of Grading and Sequencing Tasks | 第38-43页 |
| ·Task Complexity | 第39-41页 |
| ·Task Difficulty | 第41-43页 |
| Chapter 3 Methodology | 第43-53页 |
| ·Objectives | 第43页 |
| ·Subjects | 第43页 |
| ·Instruments | 第43-47页 |
| ·Tasks | 第43-46页 |
| ·Questionnaires | 第46页 |
| ·Interview | 第46-47页 |
| ·Procedures | 第47-48页 |
| ·Research Measures | 第48-53页 |
| Chapter 4 Results and Analyses | 第53-65页 |
| ·Task Complexity and the Quality of Meaning Negotiation | 第53-57页 |
| ·Task Complexity and the Quantity of Meaning Negotiation | 第57-59页 |
| ·Task Difficulty and the Quality of Negotiation of Meaning | 第59-61页 |
| ·Task Difficulty and the Quantity of Meaning Negotiation | 第61-63页 |
| ·Subjects' Perceptions of Task Characteristics and Meaning Negotiation | 第63-65页 |
| Chapter 5 Findings and Implications | 第65-79页 |
| ·Findings | 第65-71页 |
| ·A Complex Imbalanced Effect of Task Complexity on the Quality of Meaning Negotiation | 第65-67页 |
| ·Trade-off Effects indispensable to Negotiation of Meaning | 第67-68页 |
| ·A Dialectical Relationship between Cognitive Demands and the Quantity of Meaning Negotiation | 第68-69页 |
| ·The General Consistency of Task Complexity and Task Difficulty | 第69-71页 |
| ·Implications | 第71-79页 |
| ·Diversifying Task Types | 第72-73页 |
| ·Selecting Appropriate Tasks | 第73-74页 |
| ·Implementing Tasks by Controlling Cognitive Demands | 第74-77页 |
| ·Adjusting the Role of Teachers | 第77-79页 |
| Chapter 6 Conclusion | 第79-82页 |
| Bibliography | 第82-87页 |
| 中文详细摘要 | 第87-91页 |
| Abstract | 第91-98页 |
| Appendix Ⅰ | 第98-99页 |
| Appendix Ⅱ | 第99-101页 |
| Acknowledgement | 第101页 |
