| 摘要 | 第1-9页 |
| Abstract | 第9-13页 |
| Chapter 1 Introduction | 第13-17页 |
| ·Significance | 第13-15页 |
| ·Research questions | 第15-16页 |
| ·Organization of the thesis | 第16-17页 |
| Chapter 2 Literature Review | 第17-39页 |
| ·Defining key terms in the present study | 第17-21页 |
| ·Vocabulary learning and vocabulary acquisition | 第17-18页 |
| ·Output task | 第18-19页 |
| ·Receptive and productive word knowledge | 第19-20页 |
| ·Incidental and intentional vocabulary learning | 第20-21页 |
| ·Aspects of vocabulary acquisition | 第21-28页 |
| ·Word knowledge | 第22-24页 |
| ·Development of productive vocabulary acquisition | 第24-26页 |
| ·Measuring productive vocabulary knowledge | 第26-28页 |
| ·Output and second language vocabulary acquisition | 第28-35页 |
| ·Second language vocabulary acquisition | 第28-29页 |
| ·Involvement Load Hypothesis | 第29-31页 |
| ·Language acquisition through output: Output Hypothesis | 第31-35页 |
| ·Empirical studies on output and vocabulary acquisition | 第35-39页 |
| ·Oral output and second language vocabulary acquisition | 第35-36页 |
| ·Written output and second language vocabulary acquisition | 第36-37页 |
| ·Oral output/written output and vocabulary acquisition | 第37页 |
| ·Discussion on the previous empirical studies | 第37-39页 |
| Chapter 3 The Experimental Study | 第39-50页 |
| ·Research design | 第39-41页 |
| ·Research hypotheses | 第39-40页 |
| ·Research variables involved in this study | 第40-41页 |
| ·Research methodology | 第41-43页 |
| ·Pilot study | 第41页 |
| ·Target vocabulary | 第41-43页 |
| ·Material | 第43页 |
| ·Participants | 第43页 |
| ·Main study | 第43-49页 |
| ·Pre-test | 第43-45页 |
| ·Treatment tasks | 第45-47页 |
| ·Procedure | 第47-48页 |
| ·Post-test | 第48-49页 |
| ·Data analysis | 第49-50页 |
| Chapter 4 Results and Discussion | 第50-61页 |
| ·Results | 第50-57页 |
| ·Results of the pretest | 第50-51页 |
| ·Comparison among the three task types | 第51-53页 |
| ·Comparison between task 1 and task 2 | 第53-54页 |
| ·Comparison between task 1 and task 3 | 第54-55页 |
| ·Comparison between task 2 and task 3 | 第55-57页 |
| ·Summary and discussion on the research questions | 第57-61页 |
| Chapter 5 Conclusion | 第61-66页 |
| ·Summary of the study | 第61页 |
| ·Contributions of the study | 第61-62页 |
| ·Implications of the study | 第62-63页 |
| ·Limitations and suggestions | 第63-66页 |
| References | 第66-69页 |
| Appendices | 第69-79页 |
| Published Paper | 第79-80页 |
| Acknowledgements | 第80页 |
