| Abstract | 第6-8页 |
| 摘要 | 第9-13页 |
| Chapter Ⅰ Introduction | 第13-18页 |
| 1.1 Research background | 第13-14页 |
| 1.2 Research purpose and significance | 第14-16页 |
| 1.3 Structure of the thesis | 第16-18页 |
| Chapter Ⅱ Literature Review | 第18-38页 |
| 2.1 Corrective feedback | 第18-21页 |
| 2.1.1 Definition of corrective feedback | 第18-20页 |
| 2.1.2 Classification of corrective feedback | 第20-21页 |
| 2.2 Related studies on written corrective feedback abroad and at home | 第21-33页 |
| 2.2.1 Studies on written corrective feedback abroad | 第22-29页 |
| 2.2.2 Studies on written corrective feedback at home | 第29-33页 |
| 2.3 Theoretical background | 第33-38页 |
| 2.3.1 The interaction hypothesis | 第33-34页 |
| 2.3.2 The comprehensible output hypothesis | 第34-36页 |
| 2.3.3 The noticing hypothesis | 第36-38页 |
| Chapter Ⅲ Research Design | 第38-46页 |
| 3.1 Research questions | 第38页 |
| 3.2 Research subjects | 第38-39页 |
| 3.3 Research instrument | 第39-40页 |
| 3.4 Research procedure | 第40-44页 |
| 3.4.1 Preparation for the experiment | 第40-41页 |
| 3.4.2 Pretest | 第41页 |
| 3.4.3 Written corrective feedback treatment | 第41-43页 |
| 3.4.4 Immediate post-test and delayed post-test | 第43-44页 |
| 3.5 Data collection | 第44-45页 |
| 3.6 Data analysis | 第45-46页 |
| Chapter Ⅳ Results and Discussion | 第46-63页 |
| 4.1 Effects of three written corrective feedback on students’ writing accuracy | 第46-54页 |
| 4.1.1 Effects of direct written corrective feedback | 第48-49页 |
| 4.1.2 Effects of indirect written corrective feedback | 第49-51页 |
| 4.1.3 Effects of metalinguistic written corrective feedback | 第51-52页 |
| 4.1.4 Discussion on different effects of written corrective feedback | 第52-54页 |
| 4.2 Different effects of three types of written corrective feedback on higher and lower level students’ writing accuracy | 第54-63页 |
| 4.2.1 Effects of three types of written corrective feedback on higher-level students’writing accuracy | 第55-58页 |
| 4.2.2 Effects of three types of written corrective feedback on lower-level students’writing accuracy | 第58-60页 |
| 4.2.3 Discussion on effects of written corrective feedback for higher and lower level students | 第60-63页 |
| Chapter Ⅴ Conclusion | 第63-68页 |
| 5.1 Major findings of the study | 第63-64页 |
| 5.2 Implications of the present study | 第64-65页 |
| 5.3 Limitations of the present study and suggestions for future studies | 第65-68页 |
| Bibliography | 第68-74页 |
| Appendix Ⅰ Topics of the writing assignments | 第74-77页 |
| Appendix Ⅱ Samples of Teacher Written Corrective Feedback | 第77-80页 |
| Appendix Ⅲ Experimental data | 第80-85页 |
| Acknowledgements | 第85页 |
