| Acknowledgements | 第1-7页 |
| Abstract | 第7-9页 |
| 摘要 | 第9-13页 |
| List of Tables | 第13-14页 |
| Chapter 1 Introduction | 第14-19页 |
| ·Background of the Present Study | 第14-16页 |
| ·Purpose and Significance of the Study | 第16-17页 |
| ·Overall Structure of the Thesis | 第17-19页 |
| Chapter 2 Literature review | 第19-39页 |
| ·A Brief Review of Critical Thinking | 第19-29页 |
| ·Definition of Critical Thinking | 第19-22页 |
| ·Dimensions of Critical Thinking | 第22-27页 |
| ·Value of Critical Thinking | 第27-29页 |
| ·Problem-based Learning | 第29-35页 |
| ·Definition of Problem-based Learning | 第29-30页 |
| ·Characteristics of Problem-based Learning | 第30-32页 |
| ·Procedures of Problem-based Learning | 第32-35页 |
| ·Previous Studies of Critical Thinking and Problem-based Learning | 第35-39页 |
| ·Previous Studies on Critical Thinking | 第35-36页 |
| ·Previous Studies on Problem-based Learning | 第36-39页 |
| Chapter 3 Research Design and Methodology | 第39-48页 |
| ·Research Questions | 第39页 |
| ·Subjects | 第39-40页 |
| ·Instrument | 第40-42页 |
| ·California Critical Thinking Disposition Inventory | 第40-41页 |
| ·Cambridge Critical Thinking Skills Assessment | 第41-42页 |
| ·Interview | 第42页 |
| ·Procedure | 第42-45页 |
| ·Pre-test | 第42页 |
| ·Teacher Intervention | 第42-45页 |
| ·Post-test | 第45页 |
| ·Post-experimental Interview | 第45页 |
| ·Data Collection and Analysis | 第45-48页 |
| ·Data Collection | 第45-46页 |
| ·Data Analysis | 第46-48页 |
| Chapter 4 Results and Discussion | 第48-61页 |
| ·The Results | 第48-56页 |
| ·Results of Pre-test | 第48-51页 |
| ·Results of Post-test | 第51-53页 |
| ·Results of the Interview | 第53-56页 |
| ·Discussion | 第56-61页 |
| ·Students' Attitudes towards PBL | 第56-57页 |
| ·Study of the Effect of Problem-based Learning on English Majors' Critical Thinking | 第57-58页 |
| ·Ways to Develop Students' Critical Thinking | 第58-61页 |
| Chapter 5 Conclusion | 第61-66页 |
| ·Major Findings | 第61-62页 |
| ·Pedagogical implications | 第62-63页 |
| ·Limitations of the Study | 第63-64页 |
| ·Suggestions for Further Researches | 第64-66页 |
| References | 第66-69页 |
| Appendix A | 第69-72页 |
| Appendix B | 第72-80页 |
| Appendix C | 第80页 |
