声明
List of Abbreviations
Chapter One Introduction
1.1 Background of the Study
1.2 Purpose and Significance of the Study
1.3 Structure of the Thesis
Chapter Two Literature Review
2.1 Definitions of Hedges
2.2 Classifications of Hedges
2.3 Studies on Hedges in SLA
2.4 Dynamic Systems Theory
Chapter Three Research Methodology
3.1 Research Purpose and Questions
3.2 Research Participants
3.3 Research Instruments
3.4 Data-collecting Procedure
3.5 Data Analysis Procedure
Chapter Four Research Results
4.1 The Overall Developmental Characteristics of Chinese English Majors’ Hedges Acquisition
4.2 The Individual Developmental Characteristics of Chinese English Majors’ Hedges Acquisition
4.3 The Moving Correlations between Hedges Frequency and Hedges Category
Chapter Five Discussions
5.1 Discussions on the Overall Developmental Characteristics of Chinese English Majors’ Hedges Acquisition
5.2 Discussions on the Individual Developmental Characteristics of Chinese English Majors’ Hedges Acquisition
5.3 Discussions on the Moving Correlations between Hedges Frequency and Hedges Category
5.4 Summary
Chapter Six Conclusion
6.1 Major Findings of the Study
6.2 Pedagogical Implications
6.3 Limitations and Suggestions for Future Study
致谢
参考文献
AppendixⅠVarttala’s List of Hedges
Appendix II The Moving Min-max Graphs of the Developmental Patterns of the other 15 Participants’ Hedges Frequency (window size of 3 data points)
Appendix III The Moving Min-max Graphs of the Developmental Patterns of the other 15 Participants’ Hedges Category (window size of 3 data points)
Appendix IV Writing Samples
Appendix V Contents of Interview
Academic Achievements
兰州交通大学;
