| Acknowledgements | 第1-7页 |
| Abstract | 第7-8页 |
| 摘要 | 第8-12页 |
| Chapter 1 Introduction | 第12-14页 |
| Chapter 2 Literature Review | 第14-31页 |
| ·Peer assessment | 第14-17页 |
| ·The psychological process of speakers and listeners | 第17-21页 |
| ·The psychological process of speakers | 第17-20页 |
| ·The psychological process of listeners | 第20-21页 |
| ·Theoretical perspectives | 第21-31页 |
| ·Responsibility | 第21-24页 |
| ·Responsibility and student-centeredness | 第21-22页 |
| ·Responsibility and learner autonomy | 第22-24页 |
| ·Affective factors | 第24-27页 |
| ·Motivation from the cognitive view | 第25页 |
| ·Self-efficacy | 第25-26页 |
| ·Self-esteem | 第26-27页 |
| ·Communicative competence | 第27-29页 |
| ·Constructivism | 第29-31页 |
| Chapter 3 Method | 第31-39页 |
| ·Design of the study | 第31-36页 |
| ·Design of the experiments | 第31-33页 |
| ·The subjects of the study | 第33-35页 |
| ·The rating scales | 第35-36页 |
| ·The procedure of experiments | 第36-39页 |
| ·Rater training | 第36-37页 |
| ·Data collection and process | 第37-39页 |
| Chapter 4 Results and Analysis | 第39-63页 |
| ·Question One:What are similarities and differences of peer assessment betweenClass 1 and Class 2? | 第39-52页 |
| ·The general descriptions of both peer assessment | 第39-42页 |
| ·Data analysis of peer assessment of Class 1 | 第42-46页 |
| ·Data analysis of peer assessment of Class 2 | 第46-52页 |
| ·Question Two:How do students make peer feedback and respond to it? | 第52-56页 |
| ·The emphases of teacher assessment and peer assessment | 第53-54页 |
| ·The general styles of making peer feedback | 第54-55页 |
| ·The general reactions toward peer feedback | 第55-56页 |
| ·Question Three:what influences does peer assessment bring forward to in-classperformance and individuals? | 第56-57页 |
| ·The influences of peer assessment on in-class performance | 第56页 |
| ·The influences of peer assessment on individuals | 第56-57页 |
| ·Question Four:Is it effective of the optimized peer assessment to improve students'speaking ability? | 第57-63页 |
| ·The analysis of the pretest between class 2 and class 3 | 第57-58页 |
| ·The analysis of two teachers' ratings of the post test | 第58-60页 |
| ·The analysis of the test between the pretest and the post test | 第60-61页 |
| ·The analysis of the post test between class 2 and class 3 | 第61-63页 |
| Chapter 5 Conclusions and Suggestions for Further Study | 第63-66页 |
| ·Conclusions | 第63-64页 |
| ·Suggestions for further study | 第64-66页 |
| Bibliography | 第66-70页 |
| Appendix 1 | 第70-71页 |
| Appendix 2 | 第71-73页 |
| Appendix 3 | 第73-75页 |
| Appendix 4 | 第75页 |
