| Chapter 1 Introduction | 第1-12页 |
| 1．1 Description and Significance of the Problem | 第10-11页 |
| 1．2 Objectives of the Study | 第11-12页 |
| Chapter 2 Review of the Literature | 第12-37页 |
| 2．1 What Is Vocabulary? | 第12-13页 |
| 2．2 Lexical Knowledge and Vocabulary Knowledge | 第13-17页 |
| 2．2．1 Breadth and Depth of Vocabulary Knowledge | 第13-14页 |
| 2．2．2 Vocabulary Ability and Lexical Competence | 第14-15页 |
| 2．2．3 Receptive vs． Productive Word Knowledge | 第15-17页 |
| 2．3 Vocabulary Acquisition and Storage | 第17-23页 |
| 2．3．1 What Is Vocabulary Acquisition? | 第17页 |
| 2．3．2 Developmental Aspects of L2 Vocabulary Acquisition | 第17-18页 |
| 2．3．3 Process of Vocabulary Acquisition-Implicit vs． Explicit Learning | 第18-19页 |
| 2．3．4 Incidental Learning | 第19-20页 |
| 2．3．5 Input, Interaction and Negotiation | 第20-21页 |
| 2．3．6 Depth-of-Processing （DOP） Hypothesis | 第21页 |
| 2．3．7 Vocabulary Storage-Working Memory and Episodic Memory | 第21-23页 |
| 2．4 The Mental Lexicon | 第23-31页 |
| 2．4．1 Mental Lexicon and Paper Dictionary | 第23-25页 |
| 2．4．2 Functional Differences between L1 Mental Lexicon and L2 Mental Lexicon | 第25-26页 |
| 2．4．3 The Modularity Theory and the Connectionist Theory | 第26-27页 |
| 2．4．4 Aitchison's Sketch of the Mental Lexicon | 第27-29页 |
| 2．4．5 Some Representative Models of Mental Lexicon Access | 第29-31页 |
| 2．5 Investigating the Mental Lexicon | 第31-37页 |
| 2．5．1 Sources of Data to Investigate the Mental Lexicon | 第31-34页 |
| 2．5．2 Word Association Based Research | 第34页 |
| 2．5．3 Semantic, Phonological Relations and World Knowledge | 第34-37页 |
| Chapter 3 Research Methodology | 第37-44页 |
| 3．1 Subjects | 第37页 |
| 3．1．1 Lower-Level Learners | 第37页 |
| 3．1．2 Advanced-Level Learners | 第37页 |
| 3．2 Stimuli | 第37-38页 |
| 3．3 Data Collection | 第38-39页 |
| 3．3．1 Lower-Level Learners | 第38页 |
| 3．3．2 Advanced-Level Learners | 第38页 |
| 3．3．3 Retrospection and Interview | 第38-39页 |
| 3．4 Data Analysis | 第39-44页 |
| 3．4．1 The Three Commonest Responses Based Approach | 第39页 |
| 3．4．2 All Responses Based Approach | 第39-40页 |
| 3．4．3 Semantic Relationship | 第40-43页 |
| 3．4．3．1 Syntagmatic/Collocational Relation | 第40-41页 |
| 3．4．3．2 Paradigmatic Relation | 第41-42页 |
| 3．4．3．2．1 Co-ordination | 第41页 |
| 3．4．3．2．2 Hyponymy | 第41-42页 |
| 3．4．3．2．3 Synonymy | 第42页 |
| 3．4．3．3 World or Encyclopedic Knowledge | 第42-43页 |
| 3．4．4 Syntactic Relationship | 第43页 |
| 3．4．5 Phonological Relation | 第43-44页 |
| Chapter 4 Results and Discussions | 第44-65页 |
| 4．1 Semantic and Collocational Links | 第44-59页 |
| 4．1．1 Characteristic Types of Responses | 第47-57页 |
| 4．1．2 Syntactic Links | 第57-59页 |
| 4．2 Phonological Links | 第59-65页 |
| 4．2．1 Semantically Unrelated Phonological Links | 第59-61页 |
| 4．2．2 Similarities in the Words' Beginning and Ending Sounds | 第61-62页 |
| 4．2．3 Similarities in the Stress Pattern and Word Lengths | 第62-65页 |
| Chapter 5 Conclusion | 第65-69页 |
| 5．1 Summary of Research Findings | 第65-66页 |
| 5．2 Summary of Implications | 第66-67页 |
| 5．3 Limitations and Future Research | 第67-69页 |
| References | 第69-78页 |
| Appendix A Lower-Level Learners' Responses | 第78-95页 |
| Appendix B Advanced-Level Learners' Responses | 第95-104页 |
| Appendix C First Three Commonest Responses | 第104页 |
