| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-9页 |
| 中文摘要 | 第10-15页 |
| Chapter One INTRODUCTION | 第15-19页 |
| 1.1 Background of the study | 第15-16页 |
| 1.2 Purposes of the study | 第16-17页 |
| 1.3 Organization o the study | 第17-19页 |
| Chapter Two LITERATURE REVIEW | 第19-34页 |
| 2.1 L2 incidental vocabulary acquisition through reading | 第19-20页 |
| 2.2 Theories concerning L2 vocabulary acquisition | 第20-23页 |
| 2.2.1 The theory depth of processing | 第20-21页 |
| 2.2.2 The involvement load hypothesis | 第21-22页 |
| 2.2.3 Attention theory | 第22-23页 |
| 2.3 Empirical studies of different factors affecting L2 vocabulary acquisition | 第23-32页 |
| 2.3.1 Previous studies on the effect of task inducing involvement load on L2 vocabulary acquisition | 第23-26页 |
| 2.3.2 Previous studies on the effect of mode of annotations on L2 vocabulary acquisition | 第26-30页 |
| 2.3.3 Previous studies on the effect of semantic predictability on L2 vocabulary acquisition | 第30-32页 |
| 2.4 Limitations in the previous studies | 第32-34页 |
| Chapter Three METHOD | 第34-45页 |
| 3.1 Research questions | 第34-35页 |
| 3.2 Experimental design | 第35页 |
| 3.3 Subjects | 第35-36页 |
| 3.4 Variables and operational definitions | 第36-40页 |
| 3.4.1 Task type,mode of annotations and semantic predictability as the independent variables | 第36-38页 |
| 3.4.1.1 Task type | 第37页 |
| 3.4.1.2 Mode of annotations | 第37-38页 |
| 3.4.1.3 Semantic Predicrability | 第38页 |
| 3.4.2 L2 vocabulary acquisition as the dependent variable | 第38-40页 |
| 3.5 Instruments | 第40-41页 |
| 3.5.1 Reading materials | 第40页 |
| 3.5.2 Target words | 第40-41页 |
| 3.6 General procedures | 第41-42页 |
| 3.7 Scoring L2 vocabulary acquisition | 第42-44页 |
| 3.8 Interrater reliability | 第44-45页 |
| Chapter Four RESULTS and DISCUSSION | 第45-66页 |
| 4.1 Results | 第45-56页 |
| 4.1.1 Effects of task type, mode of annotations and semantic predictability on L2 vocabulary acquisition | 第45-49页 |
| 4.1.1.1 Descriptive statistics for the test of L2 vocabulary acquisition | 第45-47页 |
| 4.1.1.2 A mixed MANOVA for the test of L2 vocabulary acquisition | 第47-49页 |
| 4.1.2 Effects of task type, mode of annotations and semantic predictability on L2 receptive vocabulary knowledge | 第49-52页 |
| 4.1.2.1 Descriptive statistics for L2 receptive vocabulary knowledge | 第49-50页 |
| 4.1.2.2 A mixed ANOVA for L2 receptive vocabulary knowledge | 第50-52页 |
| 4.1.3 Effects of task type, mode of annotations and semantic predictability on L2 productive vocabulary knowledge | 第52-56页 |
| 4.1.3.1 Descriptive statistics for L2 productive vocabulary knowledge | 第52-54页 |
| 4.1.3.2 A mixed ANOVA for L2 productive vocabulary knowledge | 第54-56页 |
| 4.2 Discussion | 第56-66页 |
| 4.2.1 No significant effect of task type on L2 vocabulary acquisition | 第57-60页 |
| 4.2.2 A significant effect of mode of annotations on L2 vocabulary acquisition | 第60-62页 |
| 4.2.3 A significant effect of semantic predictability on L2 vocabulary acquisition | 第62-66页 |
| Chapter Five CONCLUSIONS | 第66-71页 |
| 5.1 Major findings | 第66-67页 |
| 5.2 Implications | 第67-69页 |
| 5.2.1 Theoretical implications | 第67-68页 |
| 5.2.2 Pedagogical implications | 第68-69页 |
| 5.3 Limitations and suggestions | 第69-71页 |
| REFERENCES | 第71-76页 |
| Appendix Ⅰ Pre-Test of the Target Words | 第76-80页 |
| Appendix Ⅱ L2 Vocabulary Acquisition Tasks | 第80-86页 |
| Appendix Ⅲ Mode of Annotations (mini dictionary) | 第86-95页 |
| Appendix Ⅳ Test of L2 Vocabulary Acquisition | 第95-98页 |
