| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第7-13页 |
| Chapter I INTRODUCTION | 第13-18页 |
| ·Aims of the Study | 第13-14页 |
| ·Research Questions Addressed in the Study | 第14-15页 |
| ·Significance of the Study | 第15-16页 |
| ·The Organization of the Thesis | 第16-18页 |
| Chapter II LITERATURE REVIEW | 第18-36页 |
| ·Two Founding Theories Scaffolding Corrective Feedback | 第18-21页 |
| ·Interaction Hypothesis | 第18-19页 |
| ·Five stages of Second Language Acquisition process | 第19-21页 |
| ·Recasts as Corrective Feedback | 第21-28页 |
| ·Definition of recasts | 第21-22页 |
| ·Other forms of corrective feedback | 第22-24页 |
| ·Advantages and disadvantages of recasts as corrective feedback | 第24-28页 |
| ·A Review of Related Empirical Studies | 第28-36页 |
| ·Studies abroad | 第28-31页 |
| ·Studies in China | 第31-36页 |
| Chapter III RESEARCH METHODOLOGY | 第36-42页 |
| ·Subjects | 第36-37页 |
| ·Instruments | 第37-39页 |
| ·Pre-test, simultaneous tests and post-test | 第38-39页 |
| ·In-class observational notes | 第39页 |
| ·Interviews | 第39页 |
| ·Data Analysis | 第39-42页 |
| Chapter IV RESULTS AND DISCUSSION | 第42-60页 |
| ·Results | 第42-58页 |
| ·The results of all participants | 第42-45页 |
| ·Comparison between the pre-test and post-test for two classes | 第42-44页 |
| ·Comparison between the results of the pre-test and post-test for all participants and the 10 direct interlocutors (DIs) | 第44-45页 |
| ·The results of the DIs | 第45-58页 |
| ·Comparison between the pre-test and post-test for the DIs | 第45-46页 |
| ·2 Simultaneous tests, in-class observational notes and interviews | 第46-55页 |
| ·Comparison between the changes due to individual CF or CF in class | 第55-56页 |
| ·Improvement of the DIs for each grammatical point | 第56-58页 |
| ·Discussion | 第58-60页 |
| Chapter V CONCLUSION | 第60-64页 |
| ·Major Findings and Implications of the Study | 第60-63页 |
| ·Limitations and Suggestions for Future Research | 第63-64页 |
| REFERENCES | 第64-68页 |
| APPENDICS | 第68-74页 |
| Appendix I Sheets of Pre-tests | 第68-70页 |
| Appendix II Sheets of Simultaneous Tests | 第70-73页 |
| Appendix III Sheets of Post-test | 第73-74页 |
