| Acknowledgements | 第3-5页 |
| Abstract | 第5页 |
| List of Abbreviations | 第9-10页 |
| Chapter 1 Introduction | 第10-14页 |
| 1.1 Background of the study | 第10-12页 |
| 1.2 Aims and significance of the study | 第12-13页 |
| 1.3 Overview of the thesis | 第13-14页 |
| Chapter 2 Literature Review | 第14-28页 |
| 2.1 Clarification of terms | 第14-19页 |
| 2.1.1 Incidental acquisition vs. implicit learning | 第14-15页 |
| 2.1.2 Breadth and depth of vocabulary knowledge | 第15-17页 |
| 2.1.3 Cognitive style vs. learning style | 第17-18页 |
| 2.1.4 FI/FD cognitive style | 第18-19页 |
| 2.2 Factors influencing incidental vocabulary acquisition | 第19-24页 |
| 2.2.1 Properties of new words | 第19-21页 |
| 2.2.2 Characteristics of reading materials | 第21-22页 |
| 2.2.3 Individual differences of learners | 第22-24页 |
| 2.2.4 Learning context | 第24页 |
| 2.3 FI/FD style in SLA | 第24-27页 |
| 2.3.1 FI/FD style and overall language proficiency | 第24-25页 |
| 2.3.2 FI/FD style and testing techniques | 第25页 |
| 2.3.3 FI/FD style and four language skills | 第25-26页 |
| 2.3.4 FI/FD style and acquisition of language elements | 第26-27页 |
| 2.4 Summery and justification for the present study | 第27-28页 |
| Chapter 3 Research Design | 第28-39页 |
| 3.1 Research aim and questions | 第28页 |
| 3.2 Subjects | 第28-29页 |
| 3.3 Instruments | 第29-36页 |
| 3.3.1 Group Embedded Figure Test (GEFT) | 第29-30页 |
| 3.3.2 Vocabulary Knowledge Scale (VKS) | 第30-32页 |
| 3.3.3 Selection of reading material and target words | 第32-36页 |
| 3.3.3.1 First-round decision on the material and target words | 第32页 |
| 3.3.3.2 Pretest and final decision on the material and target words | 第32-34页 |
| 3.3.3.3 Pilot study on the material and target words | 第34页 |
| 3.3.3.4 Decision on control words and constructing post-tests | 第34-36页 |
| 3.4 Procedures | 第36-38页 |
| 3.4.1 Pretest | 第36-37页 |
| 3.4.2 GEFT | 第37页 |
| 3.4.3 Treatment and post-test 1 | 第37-38页 |
| 3.4.4 Post test 2 | 第38页 |
| 3.5 Statistic methods | 第38-39页 |
| Chapter 4 Data Presentation and Discussion | 第39-49页 |
| 4.1 Descriptive statistics | 第39-41页 |
| 4.2 Paired t-tests | 第41-43页 |
| 4.3 Scatter plots and correlation analyses | 第43-45页 |
| 4.3.1 Scatter plots of FI and vocabulary knowledge gains | 第43-44页 |
| 4.3.2 Correlation between FI and vocabulary knowledge gains | 第44-45页 |
| 4.4 Additional exploration of the data | 第45-49页 |
| 4.4.1 Motivation for the additional exploration | 第45-46页 |
| 4.4.2 Steps of the exploration | 第46页 |
| 4.4.3 Data presentation | 第46-48页 |
| 4.4.4 Discussion | 第48-49页 |
| Chapter 5 Conclusion | 第49-54页 |
| 5.1 Summery of main findings | 第49-50页 |
| 5.2 Implication for language teaching | 第50-52页 |
| 5.3 Limitations and suggestions for future research | 第52-54页 |
| References | 第54-60页 |
| Appendixes | 第60-70页 |
| Appendix 1 List of words in the pretest and sample section of the pretest paper | 第60-61页 |
| Appendix 2 Score list of familiarity level of the words | 第61-63页 |
| Appendix 3 Reading-for-pleasure material –four jokes | 第63-65页 |
| Appendix 4 List of words in the post-tests and sample sections of the post-test pape | 第65-66页 |
| Appendix 5 List of subjects’scores | 第66-68页 |
| Appendix 6 Words in the low exposure frequency set and in the high exposure frequency set | 第68-69页 |
| Appendix 7 List of subjects’scores for low and high exposure frequency words | 第69-70页 |
