| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-14页 |
| List of Abbreviations | 第14-15页 |
| Chapter One Introduction | 第15-21页 |
| 1.1 Introduction to the Study | 第15页 |
| 1.2 Background to the Study | 第15-18页 |
| 1.3 Purpose of the Study | 第18页 |
| 1.4 Significance of the Study | 第18-20页 |
| 1.5 Organization of the Thesis | 第20-21页 |
| Chapter Two Literature Review | 第21-42页 |
| 2.1 Introduction | 第21页 |
| 2.2 Definitions of WTC in L1 and L2 | 第21-23页 |
| 2.3 Variables in WTC | 第23-24页 |
| 2.4 Main theoretical models in WTC | 第24-32页 |
| 2.4.1 Hypothesized causal sequence for predicting WTC based on | 第25-26页 |
| 2.4.2 Mac Intyre and Charos’ (1996) L2 WTC model | 第26-27页 |
| 2.4.3 Heuristic Model of Variables Influencing WTC | 第27-31页 |
| 2.4.4 Pyramid Model of Variables Influencing L2 WTC inside the | 第31-32页 |
| 2.5 Relevant empirical studies at home and abroad | 第32-40页 |
| 2.5.1 Relevant empirical studies abroad | 第33-36页 |
| 2.5.2 Relevant empirical studies at home | 第36-40页 |
| 2.6 Summary | 第40-42页 |
| Chapter Three Methodology | 第42-51页 |
| 3.1 Introduction | 第42页 |
| 3.2 Research questions | 第42页 |
| 3.3 Participants | 第42-43页 |
| 3.4 The background of the participants | 第43-44页 |
| 3.5 Instruments | 第44-48页 |
| 3.5.1 Questionnaires | 第44-47页 |
| 3.5.2 Semi-Structured Interview | 第47-48页 |
| 3.6 Data collection and analysis | 第48-49页 |
| 3.7 Summary | 第49-51页 |
| Chapter Four Results and Discussion | 第51-71页 |
| 4.1 Introduction | 第51页 |
| 4.2 General characteristics of the sophomores’ and the seniors’ WTCI | 第51-53页 |
| 4.3 Differences and similarities in the sophomores’ and the seniors’ perceptions of differentvariables | 第53-58页 |
| 4.3.1 Results of the two closed questions in background questionnaire | 第54-56页 |
| 4.3.2 Results of perceptions on 7 sub-variables between the sophomores and the seniors | 第56-58页 |
| 4.4 Differences and similarities in correlations between the participants’ WTCI andinfluential factors | 第58-60页 |
| 4.4.1 Differences and similarities in the correlations between variables and thesophomores’ and the seniors’ L2 WTCI | 第58-60页 |
| 4.5 Predictors for the sophomores’ and the seniors’ L2 WTCI | 第60-61页 |
| 4.6 Analysis of the semi-structured interviews | 第61-66页 |
| 4.6.1 Response to factors that affected their WTCI | 第62-63页 |
| 4.6.2 Response to classroom activities | 第63-65页 |
| 4.6.3 Response to Thai teaching at home and abroad | 第65-66页 |
| 4.7 Discussion | 第66-70页 |
| 4.8 Summary | 第70-71页 |
| Chapter Five Conclusion and Implications | 第71-77页 |
| 5.1 Introduction | 第71页 |
| 5.2 Main findings of the present study | 第71-73页 |
| 5.3 Pedagogical implications for Thai language teaching and learning | 第73-74页 |
| 5.4 Limitations of the present study | 第74-75页 |
| 5.5 Suggestions for Future Research | 第75-77页 |
| References | 第77-83页 |
| Appendix A | 第83-86页 |
| Appendix B | 第86-87页 |
| Publications | 第87页 |
