| 中文摘要 | 第1-4页 |
| Abstract | 第4-8页 |
| List of Tables | 第8-10页 |
| Chapter 1 Introduction | 第10-13页 |
| ·Research background | 第10-11页 |
| ·Objective of the present study | 第11页 |
| ·Significance of the present study | 第11-13页 |
| Chapter 2 Literature Review | 第13-25页 |
| ·Theoretical frameworks | 第13-21页 |
| ·Interaction hypothesis | 第13页 |
| ·Direct contrast hypothesis | 第13页 |
| ·Age effect in SLA studies | 第13-14页 |
| ·Noticing | 第14页 |
| ·Negative feedback | 第14-21页 |
| ·Negative feedback in overseas SLA studies | 第21页 |
| ·Negative feedback in domestic SLA studies | 第21-23页 |
| ·Limitations and implications of previous studies | 第23-25页 |
| Chapter 3 Methodology | 第25-46页 |
| ·Research questions of the present study | 第25-26页 |
| ·Participants | 第26-28页 |
| ·Subjects | 第26-27页 |
| ·Co-interviewers | 第27-28页 |
| ·Target structure | 第28页 |
| ·Research design | 第28-30页 |
| ·Instruments | 第30-34页 |
| ·Research procedures | 第34-40页 |
| ·Pilot study | 第35-37页 |
| ·Testing measures | 第37-38页 |
| ·Treatment conditions | 第38-40页 |
| ·Coding of treatment sessions & tests and inter-rater reliability | 第40-46页 |
| ·Coding of treatment sessions | 第40-44页 |
| ·Inter-rater reliability | 第44-45页 |
| ·Data analysis | 第45-46页 |
| Chapter 4 Results | 第46-60页 |
| ·Subjects’performance in the pre-test and its indications | 第46-48页 |
| ·Subjects’reaction to negative feedback in treatment sessions | 第48-50页 |
| ·Short and long-term effects of different treatment conditions on subjects’L2 development | 第50-57页 |
| ·Short and long-term effects of task-based interaction on subjects’L2 development | 第51-52页 |
| ·Short and long-term effects of recasts in task-based interaction on subjects’L2 development | 第52页 |
| ·Short and long-term effects of clarification requests in task-based | 第52-53页 |
| ·Short and long-term effects of combination of clarification requests and recasts on subjects’L2 development | 第53-54页 |
| ·Multi-comparisons between groups in the immediate and delayed post-tests | 第54-57页 |
| ·The relationship between subjects’repairs and their L2 development | 第57-60页 |
| Chapter 5 Discussions and Conclusions | 第60-70页 |
| ·Subjects’reaction to recasts, clarification requests, and the combination of 1ecast and clarification requests | 第60-61页 |
| ·Short and long-term effects of different treatment conditions on subjects’L2 development | 第61-64页 |
| ·The relationship between subjects’repair and their L2 development | 第64-67页 |
| ·Implications | 第67页 |
| ·Limitations of the present study and suggestions for future studies | 第67-70页 |
| Appendixes | 第70-81页 |
| References | 第81-87页 |
| 在读期间发表的论文 | 第87-88页 |
| Acknowledgements | 第88页 |
