摘要
Abstract
Acknowledgments
Chapter 1 Introduction
1.1 Research Background
1.2 Problems of Current College Oral English Teaching
1.3 Aim of the study
1.4 Layout of the Thesis
Chapter 2 Literature Review
2.1 Synchronous Computer-mediated Communication (SCMC)
2.1.1 Application of Synchronous Technology
2.1.2 Definition of Computer-mediated Communication
2.1.3 Classification of Computer-mediated Communication
2.2 Interaction Theory
2.2.1 Interaction Hypothesis
2.2.2 Interaction and CMC
2.3 Review of Previous Studies
2.3.1 CMC in Second Language Learning
2.3.2 CMC and Oral Proficiency Development
2.3.3 Construction of Computer-mediated English Teaching Model
2.4 Research Evaluation and Summary
Chapter 3 Methodology
3.1 Research Questions
3.2 Participants
3.3 Instruments
3.3.1 Speaking Test
3.3.2 Questionnaires
3.3.3 Interviews
3.4 Research Procedure
3.4.1 Grouping
3.4.2 Steps of Research
3.4.3 Data Collection and Analysis
3.5 summary
Chapter 4 Results and Discussion
4.1 Results and Discussion of the Tests
4.1.1 Results of the Pretest
4.1.2 Results of the Posttest
4.1.3 Discussion based on Research Question One
4.2 Results and Discussion of Students’ Oral English Performance
4.2.1 Results of Amount of Output
4.2.2 Results of Lexical Richness
4.2.3 Results of Syntactic Complexity
4.2.4 Result of Types of Communicative Strategies
4.2.5 Discussion Based on Research Question Two
4.3 Results and Discussion of the Questionnaires and Interviews
4.3.1 Results of the Pre-experiment Questionnaire
4.3.2 Results of the Post-experiment Questionnaire
4.3.3 Results of Interviews
4.3.4 Discussion Based on Research Question Three
4.4 Summary
Chapter 5 Conclusion
5.1 Major Findings
5.2 Pedagogical Implications
5.3 Research Limitations and Suggestions for Future Studies
References
Appendix Ⅰ Speaking Test
Appendix Ⅱ Speaking Scale
Appendix Ⅲ Questionnaires
Appendix Ⅳ Interview
Appendix Ⅴ Description of Task for Each Week
Appendix Ⅵ Transcript for SCMC
四川外国语大学;