文摘
英文文摘
声明
Acknowledgements
Chapter 1 Introduction
1.1 Significance and Objective of the Study
1.2 Structure of the Thesis
Chapter 2 Literature Review
2.1 Comprehensible Input Hypothesis
2.1.1 Main Principles
2.1.2 The Insufficiency of Comprehensible Input in SLA
2.2 Output Hypothesis
2.2.1 The Historical Background of Output Hypothesis
2.2.2 Definition of Comprehensible Output
2.2.3 Three Functions of Output
2.3 The Necessity of Output in SLA
2.4 Researches into Output Hypothesis Abroad
2.4.1 Researches into Noticing Function
2.4.2 Researches into Metalinguistic Function
2.4.3 Researches into Hypothesis Testing Function
2.5 Researches into Output Hypothesis in China
2.6 Summary
Chapter 3 Methodology
3.1 The Aims and Research Questions of the Study
3.2 Subjects
3.3 Instruments
3.3.1 The Pre-tests and the Post-tests
3.3.2 The Treatment
3.4 The Material for Presentation
3.5 Data Collection
Chapter 4 Results and Discussion
4.1 Discussing the Results of the Treatment
4.1.1 The Experimental Group
4.1.2 The Controlled Group
4.2 Discussing the Results of the Pre-tests and the Post-tests
4.2.1 The Speakers in the Experimental Group
4.2.2 The Speakers in the Controlled Group
4.2.3 The Listeners in the Experimental Group
4.2.4 The Listeners in the Controlled Group
4.3 Factors Concerning the Results
4.3.1 Clarification Requests
4.3.2 The Hypothesis-testing Function of Output
4.3.3 The Role of Reformulated Output
4.3.4 The Role of Comprehensible Input
4.3.5 Different Types of Task
4.4 Answers to the Research Questions
Chapter 5 Conclusion
5.1 Major Findings
5.1.1 The Hypothesis-testing Function of Output
5.1.2 The Importance of Clarification Requests
5.1.3 The Effects of Reformulated Output
5.2 Pedagogical Implications
5.3 Limitations and Recommendations
References
Appendices
