文摘
英文文摘
论文说明:List of Tables and Figures
声明
ACKNOWLEDGEMENTS
Chapter One INTRODUCTION
1.1 Need for the Present Study
1.2 Outline of the Thesis
Chapter Two LITERATURE REVIEW
2.1 Introduction
2.2 Basic Concepts
2.2.1 Second language vocabulary acquisition
2.2.2 Tasks for L2 vocabulary acquisition
2.3 Studies on Task-based L2 Vocabulary Acquisition
2.3.1 Theoretical studies
2.3.2 Empirical studies on task-based L2 vocabulary acquisition
2.4 Involvement Load Hypothesis
2.4.1 Theoretical basis
2.4.2 Construct of task-induced involvement
2.4.3 Assumptions of the Hypothesis
2.4.4 Empirical studies on the Hypothesis
2.4.5 Weakness of the Hypothesis
2.5 Summary
Chapter Three METHODOLOGY
3.1 Introduction
3.2 The Pilot Study
3.2.1 Research questions
3.2.2 Subjects
3.2.3 Research design
3.2.4 Major findings
3.2.5 Limitations
3.2.6 Solutions in the main study
3.3 The Main Study
3.3.1 Research questions
3.3.2 Subjects
3.3.3 Research design
3.3.4 Materials
3.3.5 Instruments and procedures
3.3.6 Data collection and analysis
Chapter Four RESULTS AND DISCUSSIONS
4.1 Introduction
4.2 Effects of Task Type
4.2.1 Overall effects of task type
4.2.2 Effects of specific tasks
4.2.3 Effects of input and output tasks
4.2.4 Summary of major findings
4.3 Effects of Task Frequency
4.3.1 Overall effects of task frequency
4.3.2 Effects of task frequency on each EG's vocabulary learning
4.3.3 Interaction between task frequency and task type
4.3.4 Summary of major findings
4.4 Discussion
4.4.1 Role of Involvement Load Hypothesis
4.4.2 Reassessing the Involvement Load Hypothesis
Chapter Five FINDINGS, IMPLICATIONS AND LIMITATIONS
5.1 Introduction
5.2 Major findings
5.2.1 Findings relating to the effects of task type on L2 vocabulary learning
5.2.2 Findings relating to the effects of task frequency on L2 vocabulary learning
5.3 Implications
5.3.1 Theoretical implications
5.3.2 Pedagogical implications
5.4 Limitations and Recommendations for Future Research
REFERENCES
APPENDIX