| Abstract | 第1-5页 |
| 摘要 | 第5-9页 |
| Introduction | 第9-13页 |
| Reasons for the present study | 第9-11页 |
| Overview of the thesis | 第11-13页 |
| 1 Literature Review | 第13-34页 |
| ·The role of vocabulary acquisition in language learning | 第13页 |
| ·Intentional vocabulary learning vs. Incidental vocabulary acquisition | 第13-15页 |
| ·Overview of L2 incidental vocabulary acquisition | 第15-17页 |
| ·Theoretical framework of incidental vocabulary acquisition | 第17-27页 |
| ·Factors influencing incidental vocabulary acquisition | 第27-30页 |
| ·Meaning of “knowing” a word | 第30-32页 |
| ·Using videos in class to teach English | 第32页 |
| ·Summary | 第32-34页 |
| 2 Methodology | 第34-39页 |
| ·Aim | 第34页 |
| ·Subjects | 第34页 |
| ·Materials | 第34-36页 |
| ·Tasks | 第36-37页 |
| ·Procedures | 第37页 |
| ·Scoring | 第37-38页 |
| ·Statistic tools for data analysis | 第38-39页 |
| 3 Results | 第39-49页 |
| ·The impact of task differences | 第39-45页 |
| ·The effect of vocabulary size | 第45-49页 |
| 4 Discussion | 第49-52页 |
| ·The impact of watching purposes on incidental vocabulary acquisition | 第49-50页 |
| ·The impact of learner’s vocabulary size on incidental vocabulary acquisition | 第50-51页 |
| ·Answers to the four research questions | 第51-52页 |
| 5 Conclusion | 第52-55页 |
| ·Conclusion of the present study | 第52-53页 |
| ·Pedagogic implications | 第53-54页 |
| ·Limitations of the study and suggestions for future research | 第54-55页 |
| Acknowledgements | 第55-56页 |
| References | 第56-61页 |
| Appendix I Published paper during the study of MA | 第61-62页 |
| Appendix II | 第62-64页 |
| Appendix III | 第64-66页 |