| Acknowledgements | 第4-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第8-15页 |
| Chapter One Introduction | 第15-19页 |
| 1.1 Research Background | 第15-16页 |
| 1.2 Purposes and Significance of the Present Study | 第16-17页 |
| 1.3 Overall Structure of the Thesis | 第17-19页 |
| Chapter Two Literature Review | 第19-33页 |
| 2.1 Diagnostic Language Assessment | 第19-28页 |
| 2.1.1 Theoretical Development | 第19-21页 |
| 2.1.2 Existing Diagnostic Tests | 第21-22页 |
| 2.1.3 Empirical Studies on Diagnostic Tests | 第22-25页 |
| 2.1.4 Framework of Diagnostic Speaking Tests | 第25-28页 |
| 2.2 Speaking Ability | 第28-30页 |
| 2.3 Preferences for Assessment and Feedback | 第30-32页 |
| 2.4 Comments on Previous Studies | 第32-33页 |
| Chapter Three Methodology | 第33-40页 |
| 3.1 Research Questions | 第33页 |
| 3.2 Participants | 第33-35页 |
| 3.3 Instruments | 第35-38页 |
| 3.3.1 Questionnaire | 第35-38页 |
| 3.3.2 Interview | 第38页 |
| 3.4 Procedures of Data Collection | 第38页 |
| 3.5 Data Analysis | 第38-40页 |
| Chapter Four Results | 第40-63页 |
| 4.1 Current State of Speaking Tests | 第40-41页 |
| 4.2 Necessity of Developing Diagnostic Speaking Tests | 第41-44页 |
| 4.2.1 Students’ Need of Developing Diagnostic Speaking Tests | 第42页 |
| 4.2.2 Need Differences in Terms of Students’ Background | 第42-43页 |
| 4.2.3 Teachers’ Need of Developing Diagnostic Speaking Tests | 第43页 |
| 4.2.4 Need Differences in Terms of Teachers’ Background | 第43-44页 |
| 4.2.5 Need Differences between Students and Teachers | 第44页 |
| 4.3 Students’ and Teachers’ Preferences for Diagnostic Speaking Tests | 第44-52页 |
| 4.3.1 Students’ General Preferences for Diagnostic Speaking Tests | 第44-47页 |
| 4.3.1.1 Diagnostic Content, Diagnostician, and Diagnostic Mode | 第44-45页 |
| 4.3.1.2 Feedback Content, Provider and Receiver, Timing and Mode | 第45-47页 |
| 4.3.2 Teachers’ General Preferences for Diagnostic Speaking Tests | 第47-50页 |
| 4.3.2.1 Diagnostic Content, Diagnostician, and Diagnostic Mode | 第47-48页 |
| 4.3.2.2 Feedback Content, Provider and Receiver, Timing and Mode | 第48-50页 |
| 4.3.3 Comparison of Students’ and Teachers’ Preferences | 第50-52页 |
| 4.4 Differences in Preferences in Terms of Students’ and Teachers’ Background | 第52-63页 |
| 4.4.1 Differences in Preferences in Terms of Students’ Background | 第52-61页 |
| 4.4.1.1 Gender Differences | 第52-55页 |
| 4.4.1.2 Major Differences | 第55-57页 |
| 4.4.1.3 Grade Differences | 第57-59页 |
| 4.4.1.4 University Rank Differences | 第59-61页 |
| 4.4.2 Differences in Preferences in Terms of Teachers’ Background | 第61-63页 |
| 4.4.2.1 Major Differences | 第61页 |
| 4.4.2.2 University Rank Differences | 第61-63页 |
| Chapter Five Discussion | 第63-71页 |
| 5.1 Need of Developing Diagnostic Speaking Tests | 第63-64页 |
| 5.2 Preferences for Diagnostic Speaking Tests | 第64-67页 |
| 5.3 Differences in Preferences in terms of Background of Students | 第67-71页 |
| Chapter Six Conclusion | 第71-75页 |
| 6.1 Major Findings of the Study | 第71-72页 |
| 6.2 Theoretical and Pedagogical Implications | 第72-73页 |
| 6.3 Limitations and Suggestions for Future Research | 第73-75页 |
| References | 第75-81页 |
| Appendix A:Students’ Questionnaire | 第81-84页 |
| Appendix B:Teachers’ Questionnaire | 第84-87页 |
| Appendix C:Students’ Interview | 第87-90页 |
| Appendix D:Teachers’ Interview | 第90-92页 |
