| Declaration | 第1-4页 |
| Acknowledgements | 第4-6页 |
| Abstract | 第6-9页 |
| Abbreviations | 第9-10页 |
| List of Figures | 第10-12页 |
| List of Tables | 第12-13页 |
| List of Appendices | 第13-18页 |
| Chapter 1 Introduction | 第18-22页 |
| ·Research orientation | 第18页 |
| ·Rationale of the present study | 第18-19页 |
| ·Significance of the present study | 第19页 |
| ·Key research questions | 第19-20页 |
| ·Content of the remaining chapters | 第20-22页 |
| Chapter 2 Review of the related literature | 第22-45页 |
| ·Overview | 第22页 |
| ·The 'notion of mental lexicon' | 第22-23页 |
| ·Research methods to investigate the mental lexicon | 第23-25页 |
| ·Studies on L1 mental lexicon | 第25-31页 |
| ·Lexical information in the L1 mental lexicon | 第25-26页 |
| ·Semantic organization of L1 mental lexicon | 第26-28页 |
| ·Hierarchical network model | 第28-29页 |
| ·Spreading activation model | 第29-31页 |
| ·Studies on L2 mental lexicon | 第31-38页 |
| ·Representation and development of lexical items in the L2 mental lexicon | 第31-33页 |
| ·Organization of L2 mental lexicon | 第33-36页 |
| ·Phonological view | 第33-34页 |
| ·Semantic view | 第34-35页 |
| ·Syntactic view | 第35-36页 |
| ·Factors affecting the organization of L2 mental lexicon | 第36-37页 |
| ·The depth of individual word knowledge model for mental lexicon | 第37-38页 |
| ·Studies on relationship between L1 and L2 mental lexicon | 第38-40页 |
| ·Revised hierarchical model | 第39-40页 |
| ·Empirical studies on mental lexicon in China | 第40-41页 |
| ·Brief summary of the literature | 第41-45页 |
| ·Major strengths of the previous studies | 第42-43页 |
| ·Major weaknesses of the previous studies | 第43-45页 |
| Chapter 3 Theoretical framework | 第45-52页 |
| ·Theoretical foundations | 第45-48页 |
| ·L2 Lexical representation and development | 第45-46页 |
| ·Mental lexicon as a lexical network | 第46-47页 |
| ·The depth of individual word knowledge model | 第47-48页 |
| ·Theoretical framework for the present study | 第48-50页 |
| ·Variables to be investigated and their operational definitions | 第50-51页 |
| ·Specific research questions | 第51-52页 |
| Chapter 4 Methodology | 第52-65页 |
| ·Subjects | 第52-54页 |
| ·Instrumentation | 第54-58页 |
| ·Prompt words | 第54-56页 |
| ·Guided word association test | 第56-57页 |
| ·The depth of individual word knowledge test | 第57-58页 |
| ·Pilot study | 第58-59页 |
| ·Data collection | 第59页 |
| ·Data analysis | 第59-65页 |
| ·Classification of data | 第59-63页 |
| ·Quantitative analysis of data | 第63-64页 |
| ·Qualitative analysis of data | 第64-65页 |
| Chapter 5 Results | 第65-92页 |
| ·Quantitative results | 第65-83页 |
| ·Response patterns according to language proficiency | 第65-71页 |
| ·Overall distribution of response type by nonnative speakers | 第66-67页 |
| ·Comparison of distribution of each response type within each group | 第67-68页 |
| ·Comparison of response types between groups | 第68-71页 |
| ·Comparison of overall response patterns between advanced learners and native speakers | 第71-73页 |
| ·Response patterns according to VKS scores | 第73-83页 |
| ·Response pattern of prompt words that elicited a VKS score of 1 | 第74-75页 |
| ·Response pattern of prompt words that elicited a VKS score of 2 | 第75-77页 |
| ·Response pattern of prompt words that elicited a VKS score of 3 | 第77-79页 |
| ·Response pattern of prompt words that elicited a VKS score of 4 | 第79-81页 |
| ·Response pattern of prompt words that elicited a VKS score of 5 | 第81-83页 |
| ·Qualitative results | 第83-92页 |
| ·The analysis of major types of links in the semantic network of nonnative speakers | 第84-89页 |
| ·Group mean scores for synonyms | 第86页 |
| ·Group mean scores for antonyms | 第86-87页 |
| ·Group mean scores for subordinates | 第87页 |
| ·Group mean scores for superordinates | 第87-88页 |
| ·An integrated whole of 3 levels | 第88-89页 |
| ·The distribution of the most common clang responses | 第89-90页 |
| ·The distribution of typical encyclopedic responses | 第90-92页 |
| Chapter6 Findings and discussions | 第92-113页 |
| ·Major findings | 第92-94页 |
| ·Discussion of major findings | 第94-103页 |
| ·The relationship between language proficiency and the organization of L2 mental lexicon | 第94-96页 |
| ·The relationship between individual word knowledge and the organization of L2 mental lexicon | 第96-98页 |
| ·L1 mental lexicon vs. L2 mental lexicon: similar or different? | 第98-103页 |
| ·Theorizing development of L2 mental lexicon in instructional setting | 第103-108页 |
| ·Conclusions | 第108-109页 |
| ·Pedagogical implications | 第109-111页 |
| ·Limitations of the present study and suggestions for further research | 第111-113页 |
| References | 第113-121页 |
| Appendices | 第121-137页 |
