声明
摘要
ABSTRACT
Contents
Chapter 1 Introduction
1.1 Research background
1.2 The Purpose of the Present Study
1.3 The Significance of the Present Study
1.4 Organization of the Thesis
Chapter 2 Literature Review
2.1 Sociocultural Theory
2.2 Collaborative Dialogue
2.2.1 Definition of Collaborative Dialogue
2.2.2 Research on Collaborative Dialogue
2.3 Tasks Effects
2.4 Research on Task Effects on F2F Collaborafive Dialogue
2.5 Summary
Chapter 3 Methodology
3.1 Participants
3.2 Task Types
3.3 Description of Tasks and Instrument
3.3.1 Description of the Task Material
3.3.2 Description of the Instrument
3.4 Procedure
3.5 Data Coding and Analysis
3.5.1 Identifying LREs
3.5.2 Inter-rater Reliability
3.6 Summary
Chapter 4 Results and Discussion
4.1 Results of the Number of LRES
4.2 Results of the Nature of LREs
4.3 Discussion
4.3.1 EfTects of Tasks on the Amount of LRES
4.3.2 Effects of Tasks on the Nature of LREs
4.4 Summary
Chapter 5 Conclusion
5.1 Major Findings of the Study
5.2 Pedagogical Implications
5.3 Limitations
5.4 Suggestions for Future Research
References
Appendix
Acknowledgements