| Acknowledgements | 第4-8页 |
| Abstract | 第8-9页 |
| 内容摘要 | 第10-12页 |
| Chapter One Introduction | 第12-17页 |
| 1.1 Background of the study | 第12-14页 |
| 1.2 Purpose and significance of the study | 第14-15页 |
| 1.3 Structure of the thesis | 第15-17页 |
| Chapter Two Literature Review | 第17-32页 |
| 2.1 Definitions of related terms | 第17-20页 |
| 2.2 Sources and functions of self-efficacy | 第20-23页 |
| 2.3 Studies of self-efficacy in web-based learning environment | 第23-26页 |
| 2.3.1 Studies abroad | 第23-25页 |
| 2.3.2 Studies at home | 第25-26页 |
| 2.4 Research implications at home and abroad | 第26-28页 |
| 2.5 Theoretical framework of the study | 第28-32页 |
| Chapter Three Research Design | 第32-38页 |
| 3.1 Research questions and methods | 第32-33页 |
| 3.2 Research subjects | 第33-34页 |
| 3.3 Research instruments | 第34-37页 |
| 3.3.1 Web-based English learning self-efficacy questionnaire | 第34-36页 |
| 3.3.2 Sources of web-based English learning self-efficacy questionnaire | 第36-37页 |
| 3.4 Research procedure | 第37-38页 |
| Chapter Four Research Results and Discussions | 第38-55页 |
| 4.1 Current situation and individual differences of WELS | 第38-50页 |
| 4.1.1 Current situation of WELS | 第38-39页 |
| 4.1.2 Individual differences in WELS | 第39-49页 |
| 4.1.3 Discussions of the results | 第49-50页 |
| 4.2 Relationships between WELS and the specific factors regarding to it | 第50-52页 |
| 4.2.1 Relationships of the four factors | 第50-51页 |
| 4.2.2 Relationships between WELS and the four factors | 第51页 |
| 4.2.3 Discussions of the results | 第51-52页 |
| 4.3 Sources of WELS | 第52-55页 |
| 4.3.1 Sources of WELS | 第52-53页 |
| 4.3.2 Discussions of the results | 第53-55页 |
| Chapter Five Conclusion | 第55-62页 |
| 5.1 Research findings | 第55-56页 |
| 5.2 Suggestions to improve WELS | 第56-60页 |
| 5.2.1 Improving computer network facilities | 第56-57页 |
| 5.2.2 Providing positive instructions | 第57-59页 |
| 5.2.3 Applying multiple teaching evaluations | 第59-60页 |
| 5.3 Limitations and suggestions for future studies | 第60-62页 |
| References | 第62-68页 |
| Appendix Ⅰ Questionnaire 1 | 第68-71页 |
| Appendix Ⅱ Questionnaire 2 | 第71-72页 |
