| 摘要 | 第1-9页 |
| Abstract | 第9-11页 |
| Figures | 第11-12页 |
| List of Tables | 第12-14页 |
| Chapter 1 Introduction | 第14-17页 |
| ·Research Orientation and General Research Questions | 第14页 |
| ·The Rationale of the Present Study | 第14-15页 |
| ·Approach for the Present Study | 第15-16页 |
| ·Contents of the Remaining Chapters | 第16-17页 |
| Chapter 2 Literature Review | 第17-29页 |
| ·Modes of Vocabulary Acquisition | 第17-20页 |
| ·Intentional and Incidental Vocabulary Learning | 第17-18页 |
| ·Direct and Indirect Vocabulary Learning | 第18-19页 |
| ·Explicit and Implicit Vocabulary Learning | 第19-20页 |
| ·Overview of L1 Incidental Vocabulary Acquisition | 第20-21页 |
| ·Research on L2 Incidental Vocabulary Acquisition | 第21-28页 |
| ·Effects of Word Exposure Frequency | 第23-26页 |
| ·Effects of Types of Word | 第26页 |
| ·Effects of Contextual Richness | 第26-28页 |
| ·Summary | 第28-29页 |
| Chapter 3 Research Methodology | 第29-39页 |
| ·Specific Research Questions in This Study | 第29页 |
| ·Variables in This Study | 第29-31页 |
| ·Experimental Design | 第31-39页 |
| ·Subjects | 第32页 |
| ·Reading Passage and Target words | 第32-35页 |
| ·Setting up the Criteria | 第32-33页 |
| ·Choosing the reading passage and target words | 第33-35页 |
| ·Research Procedures | 第35-36页 |
| ·Data Collection | 第36-38页 |
| ·Instruments Used in the Present Study | 第36-37页 |
| ·Designing the Vocabulary Test | 第37页 |
| ·Scoring Vocabulary Test Paper | 第37-38页 |
| ·Data Analysis | 第38-39页 |
| Chapter 4 Results of the Present Study | 第39-64页 |
| ·Effects of Word Exposure Frequency on Vocabulary Learning | 第39-52页 |
| ·Effects of Different Frequencies on Vocabulary Learning | 第39-48页 |
| ·Effects of Frequency on Vocabulary Learning Under the Supply-definition Task | 第39-44页 |
| ·Effects of Frequency on Vocabulary Learning Under the Select-definition Task | 第44-48页 |
| ·Does the Same Exposure Yield the Same Vocabulary Gains? | 第48-50页 |
| ·Comparison of the Same Frequency Under the Supply-definition Task | 第48-49页 |
| ·Comparison of the Same Frequency Under the Select-definition Task | 第49-50页 |
| ·Effects of Different Frequencies on Vocabulary Retention | 第50-52页 |
| ·Effects of Frequency on Vocabulary Retention Under the Supply-definition Task | 第50-51页 |
| ·Effects of Frequency on Vocabulary Retention Under the Select-definition Task | 第51-52页 |
| ·Effects of Part of Speech on Vocabulary Acquisition | 第52-58页 |
| ·Description of Vocabulary Acquisition for Each Category of Part 0f Speech over Time | 第52-53页 |
| ·Comparison of Different Categories of Part of Speech in the Tests of Each Time | 第53-54页 |
| ·Comparison of the Same Category of Part of Speech over Time | 第54-56页 |
| ·Comparison of the Three Categories of Part of Speech with the Same Exposure Distribution | 第56-58页 |
| ·Effects of Contextual Richness on Vocabulary Acquisition | 第58-64页 |
| ·Correlation between Contextual Richness and Vocabulary Acquisition | 第58-60页 |
| ·Comparing the Contextual Richness of Most and Least Acquired Words Combined with Exposure Frequency | 第60-62页 |
| ·The Context of the Three-exposure Group Words | 第62-64页 |
| Chapter 5 Discussion of Results | 第64-71页 |
| ·Discussion of Effects of Word Exposure Frequency | 第64-67页 |
| ·Discussion of Effects of Part of Speech | 第67-68页 |
| ·Discussion of Effects of Contextual Richness | 第68-69页 |
| ·Discussion of Effects of the Two Different Tasks | 第69-71页 |
| Conclusions, Implications and Suggestions | 第71-73页 |
| Conclusions Drawn from the Present Study | 第71-72页 |
| Implications | 第72页 |
| Limitations of the Present Study and Suggestions for Further Research | 第72-73页 |
| References | 第73-78页 |
| Acknowledgement | 第78-79页 |
| Appendix A （攻读学位期间所发表的学术论文目录） | 第79-80页 |
| Appendix B The Original Text of the Reading Passage The Happy Prince | 第80-89页 |
| Appendix C Supply-definition Test | 第89-90页 |
| Appendix D Select-definition Test | 第90-91页 |
| Appendix E Raw Data—Subjects’Vocabulary Acquisition Score of Each Word in Acquisition 1 Under the Supply-definition Task | 第91-92页 |
| Appendix F Raw Data—Subjects’Vocabulary Acquisition Score of Each Word in Acquisition 2 Under the Supply-definition Task | 第92-93页 |
| Appendix G Raw Data—Subjects’Vocabulary Acquisition Score of Each Word in the Retention Test Under the Supply-definition Task | 第93-94页 |
| Appendix H Raw Data—Subjects’Vocabulary Acquisition Score of Each Word in Acquisition 1 Under the Select-definition Task | 第94-95页 |
| Appendix I Raw Data—Subjects’Vocabulary Acquisition Score of Each Word in Acquisition 2 Under the Select-definition Task | 第95-96页 |
| Appendix J Raw Data—Subjects’Vocabulary Acquisition Score of Each Word in the Retention Test Under the Select-definition Task | 第96-97页 |
| Appendix K 详细中文摘要 | 第97-99页 |
