Chapter 1 Introduction
1.1 Study background
1.1.1 Oral interaction
1.1.2 Language function
1.1.3 Oral test tasks
1.1.4 Role-playing task of TEM 4 oral test
1.2 Study objectives and significance
1.2.1 Study objectives
1.2.2 Study significance
1.3 Study configuration
1.4 Summary


Chapter 2 Literature Review
2.1 The definition of oral-interactional language functions
2.1.1 The main theories and researches related to OLF
2.1.2 Critical thinking and initial definition of OLF
2.2 The reasons for the study on OLF
2.2.1 Requirements from teaching syllabus
2.2.2 Feedback from teachers
2.2.3 Feedback from students
2.2.4 Theoretical supports
2.3 Reasons for choosing pair work
2.4 Summary


Chapter 3 The OLF Theoretical Model
3.1 Model construction bases
3.1.1 Theoretical basis
3.1.2 Empirical basis
3.2 Model development process
3.3 Model makeup and interpretation
3.4 Definitions of OLF within the model
3.4.1 Informational functions
3.4.2 Interactional functions
3.4.3 Managing interaction
3.5 OLF characteristics
3.6 Model applicability and explanative force
3.6.1 Model applicability
3.6.2 Model explanative force
3.7 Summary


Chapter 4 Study Design
4.1 Study questions
4.2 Study plan and methodology
4.3 Corpora analysis
4.3.1 Corpora collection and classification
4.3.2 Corpora encoding and tagging
4.3.3 Data processing
4.4 Questionnaire survey
4.4.1 Questionnaire design
4.4.2 Data processing
4.5 Summary


Chapter 5 Corpora Analysis on the Patterns of OLF
5.1 Tagging reliability
5.2 Distribution features of OLF
5.2.1 General features
5.2.2 Local features
5.3 Factor-based OLF elicitation correlations
5.3.1 OLF elicitation correlation with regard to the testing
year
5.3.2 OLF elicitation correlation with regard to oral
proficiency
5.3.3 OLF elicitation correlation with regard to gender
5.3.4 OLF elicitation correlation with regard to the factor of role
5.4 Discussion
5.5 Summary


Chapter 6 Questionnaire Survey on the Values of OLF
6.1 Questionnaire reliability
6.2 Questionnaire validity
6.3 Distribution features of VOLF
6.4 Discussion
6.5 Summary


Chapter 7 Correlation Study between POLF and VOLF
7.1 Correlation analysis
7.2 Discussion
7.3 Summary


Chapter 8 Conclusions
8.1 Value assessment results
8.2 Implications and recommendations
8.2.1 Toward oral English teaching syllabus design
8.2.2 Toward oral English classroom teaching
8.2.3 Toward oral English testing
8.2.4 Toward oral English learning
8.3 Limitations
8.4 Research orientations
8.5 Summary


Bibliography
Appendix Ⅰ
Appendix Ⅱ
Appendix Ⅲ
Appendix Ⅳ
Appendix Ⅴ