| Abstract | 第7-8页 |
| 摘要 | 第9-13页 |
| List of Abbreviations | 第13-14页 |
| Chapter One Introduction | 第14-18页 |
| 1.1 Research Background | 第14-16页 |
| 1.2 Objectives and Significance of the Study | 第16-17页 |
| 1.3 Organization of the Thesis | 第17-18页 |
| Chapter Two Literature Review | 第18-39页 |
| 2.1 Theories and Studies of Interaction in Academic Discourse | 第18-25页 |
| 2.1.1 Interaction in Academic Discourse | 第18-20页 |
| 2.1.2 Interactive and Interactional Distinction of Interaction | 第20-21页 |
| 2.1.3 Hyland's Model of Academic Interaction | 第21-24页 |
| 2.1.3.1 Stance | 第22-23页 |
| 2.1.3.2 Engagement | 第23-24页 |
| 2.1.4 Studies on Interaction in RAs and M.A. Theses | 第24-25页 |
| 2.2 Theories and Studies of Identity in Academic Discourse | 第25-34页 |
| 2.2.1 Identity and Discourse | 第26-27页 |
| 2.2.2 Authorial Identity in Academic Discourse | 第27-30页 |
| 2.2.3 Studies on Authorial Identity Construction in Academic Discourse | 第30-34页 |
| 2.2.3.1 Novice/Non-native Writers' Practices | 第31-32页 |
| 2.2.3.2 Disciplinary and Genre Differences | 第32-33页 |
| 2.2.3.3 Cross-cultural/Cross-linguistic Perspectives | 第33-34页 |
| 2.3 Research Gap | 第34-35页 |
| 2.4 Analytical Framework Used in this Study | 第35-39页 |
| Chapter Three Methodology | 第39-44页 |
| 3.1 Research Questions | 第39页 |
| 3.2 Corpus Building and Data Collection | 第39-41页 |
| 3.3 Data Analysis | 第41-44页 |
| Chapter Four Results and Discussion | 第44-87页 |
| 4.1 Frequency and Distribution of Stance and Engagement Markers in Academic Discourse | 第44-78页 |
| 4.1.1 Frequency and Distribution of Stance Markers in Academic Discourse | 第46-63页 |
| 4.1.1.1 Hedges in Academic Discourse | 第48-52页 |
| 4.1.1.2 Boosters in Academic Discourse | 第52-56页 |
| 4.1.1.3 Attitude Markers in Academic Discourse | 第56-58页 |
| 4.1.1.4 Self-mentions in Academic Discourse | 第58-62页 |
| 4.1.1.5 Summary of Stance Markers in Academic Discourse | 第62-63页 |
| 4.1.2 Frequency and Distribution of Engagement Markers in Academic Discourse | 第63-78页 |
| 4.1.2.1 Reader References in Academic Discourse | 第65-68页 |
| 4.1.2.2 Asides in Academic Discourse | 第68-70页 |
| 4.1.2.3 Shared Knowledge in Academic Discourse | 第70-72页 |
| 4.1.2.4 Directives in Academic Discourse | 第72-75页 |
| 4.1.2.5 Questions in Academic Discourse | 第75-77页 |
| 4.1.2.6 Summary of Engagement Markers in Academic Discourse | 第77-78页 |
| 4.2 Identities Constructed by Chinese and American Postgraduates and RA Authors | 第78-82页 |
| 4.3 Potential Influencing Factors of Authorial Identity Construction in Academic Discourse | 第82-86页 |
| 4.3.1 Cultural Intrusion | 第82-85页 |
| 4.3.1.1 Cultural Collectivism and Individualism | 第83页 |
| 4.3.1.2 Rhetorical Conventions and Epistemological Beliefs | 第83-85页 |
| 4.3.2 Pedagogical Instruction | 第85页 |
| 4.3.3 Language Proficiency | 第85-86页 |
| 4.4 Summary | 第86-87页 |
| Chapter Five Conclusion | 第87-91页 |
| 5.1 A Summary of Major Findings | 第87-88页 |
| 5.2 Pedagogical Implications | 第88-89页 |
| 5.3 Limitations of the Study | 第89-90页 |
| 5.4 Suggestions for Future Study | 第90-91页 |
| References | 第91-99页 |
| Appendix M.A. Theses and RAs Used as Data of the Study | 第99-102页 |
| Acknowledgements | 第102-103页 |
| 附件 | 第103页 |
