| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-12页 |
| LIST of ABBREVIATIONS | 第12-14页 |
| Chapter One INTRODUCTION | 第14-19页 |
| 1.1 Research background | 第14-16页 |
| 1.2 Significance of the present study | 第16-17页 |
| 1.3 Research questions | 第17页 |
| 1.4 Structure of the paper | 第17-19页 |
| Chapter Two LITERATURE REVIEW | 第19-34页 |
| 2.1 Theoretical framework of the present study | 第19-25页 |
| 2.1.1 Assessment for learning | 第19-22页 |
| 2.1.2 Sociocultural theory | 第22-25页 |
| 2.2 Peer assessment and feedback in writing instruction | 第25-30页 |
| 2.2.1 An overview of peer assessment | 第25-26页 |
| 2.2.2 Review on the features of peer feedback | 第26-28页 |
| 2.2.3 Review on the influence of peer feedback on revision | 第28-29页 |
| 2.2.4 Summing up | 第29-30页 |
| 2.3 Empirical studies on mixed peer assessment | 第30-32页 |
| 2.4 Summary and conclusions | 第32-34页 |
| Chapter Three METHODOLOGY | 第34-48页 |
| 3.1 Research context and participants | 第34-36页 |
| 3.2 Data collection | 第36-39页 |
| 3.2.1 Writing tasks | 第36页 |
| 3.2.2 Procedures of the mixed peer assessment | 第36-38页 |
| 3.2.3 Rating | 第38-39页 |
| 3.3 Data analysis | 第39-48页 |
| 3.3.1 Data analysis for the first research question | 第39-43页 |
| 3.3.2 Data analysis for the second research questions | 第43-46页 |
| 3.3.3 Data analysis for the third research question | 第46-48页 |
| Chapter Four RESULTS AND ANALYSIS | 第48-63页 |
| 4.1 Feature difference of the mixed peer feedback | 第48-57页 |
| 4.1.1 Quantitative analysis on the feature difference | 第48-52页 |
| 4.1.2 Qualitative analysis on the peer feedback made by L1 students | 第52-55页 |
| 4.1.3 Qualitative analysis on the peer feedback made by L2 students | 第55-57页 |
| 4.2 Analysis on the influence of peer feedback on students’ revisions | 第57-61页 |
| 4.2.1 Analysis on the revisions made by L1 students | 第57-58页 |
| 4.2.2 Analysis on the revisions made by L2 students | 第58-60页 |
| 4.2.3 Comparison of the revision differences between the two groups | 第60-61页 |
| 4.3 Analysis on the influence of peer feedback on students’ writings | 第61-63页 |
| 4.3.1 Descriptive data of the rating scores | 第61-62页 |
| 4.3.2 Statistical analysis on the comparison of rating scores | 第62-63页 |
| Chapter Five DISCUSSION | 第63-71页 |
| 5.1 Discussion on feature differences of mixed peer feedback | 第63-66页 |
| 5.2 Discussion on the effectiveness of mixed peer assessment | 第66-69页 |
| 5.3 Pedagogical implications for EFL writing in China | 第69-71页 |
| Chapter Six CONCLUSION | 第71-75页 |
| 6.1 Major findings of the present study | 第71-72页 |
| 6.2 Limitations of the present study | 第72-73页 |
| 6.3 Directions for future research | 第73-75页 |
| REFERENCES | 第75-80页 |
| APPENDICES | 第80-81页 |
| Appendix A | 第80-81页 |
| Appendix B | 第81页 |
