| 摘要 | 第4-6页 |
| Abstract | 第6-7页 |
| Contents | 第8-10页 |
| Chapter 1 Introduction | 第10-13页 |
| 1.1. Background of the Study | 第10-11页 |
| 1.2. Significance of the Study | 第11页 |
| 1.3. Feasibility of the Study | 第11-12页 |
| 1.4. Organization of the Thesis | 第12-13页 |
| Chapter 2 Literature Review | 第13-32页 |
| 2.1. Levelt's Model of Speech Production | 第13-15页 |
| 2.2. Skehan's Dual Model System | 第15-16页 |
| 2.3. Task Repetition as a Form of Planning | 第16-17页 |
| 2.4. Three Aspects of Oral Performance (Fluency, Complexity and Accuracy) | 第17-19页 |
| 2.4.1. Definitions of Fluency, Complexity, Accuracy | 第17-18页 |
| 2.4.2. Trade-off Effects of Fluency, Complexity and Accuracy | 第18-19页 |
| 2.5. Measuring Three Aspects of Oral Performance | 第19-22页 |
| 2.5.1. Measuring Fluency | 第19-20页 |
| 2.5.2. Measuring Complexity | 第20-21页 |
| 2.5.3. Measuring Accuracy | 第21-22页 |
| 2.6. Corrective Feedback | 第22-23页 |
| 2.7. Studies on the Effects of Task Repetition on Fluency, Complexity and Accuracy in Oral Task Performance | 第23-26页 |
| 2.8. Summary of the Previous Studies | 第26-32页 |
| Chapter 3 Methodology | 第32-47页 |
| 3.1. Research Questions | 第32-33页 |
| 3.2. Participants | 第33页 |
| 3.3. Instruments | 第33-37页 |
| 3.3.1. Pre-test | 第33-35页 |
| 3.3.2. The Instruments in the Experiment | 第35-37页 |
| 3.3.3 Post-task Open Questionnaires | 第37页 |
| 3.4. Data Collection | 第37-38页 |
| 3.5. Data Analysis | 第38-47页 |
| 3.5.1. The First and the Third Time of Repetitions of the No-feedback Repetition Group | 第38-42页 |
| 3.5.2. The First and the Third Time of Repetitions of the Feedback Repetition Group | 第42-45页 |
| 3.5.3. The Fourth Oral Production of the Feedback Repetition Group and the Control Group | 第45-47页 |
| Chapter 4 Research Results and Discussion | 第47-54页 |
| 4.1. Results of the Experiment | 第47-49页 |
| 4.1.1 The General Effects of Task Repetition on Oral Performance | 第47页 |
| 4.1.2. The Specific Effects of Task Repetition with Feedback on Oral Performance | 第47-49页 |
| 4.1.3. The Effects of Task Repetition with Feedback on the Performance of a New Oral Task | 第49页 |
| 4.2 Discussion | 第49-54页 |
| 4.2.1. The Effects of Task Repetition on Learners' Oral Performance | 第49-51页 |
| 4.2.2. The Effects of Task Repetition with Feedback on Learners' Oral Performance | 第51-54页 |
| Chapter 5 Conclusion | 第54-57页 |
| 5.1. Summary of the Study | 第54-55页 |
| 5.2. Limitation of the Study | 第55-56页 |
| 5.3. Implication for Language Teaching | 第56-57页 |
| Bibliography | 第57-61页 |
| Appendix | 第61-70页 |
| Acknowledgements | 第70页 |
