文摘
英文文摘
Chapter One Introduction
1.1 Background of the study
1.2 Significance of the study
1.3 Structure of the thesis
Chapter Two Literature Review
2.1 Task-based language learning
2.2 Incidental vocabulary acquisition
2.3 The theory of depth of processing
2.4 The involvement load hypothesis
2.4.1 Laufer and Hulstijn's involvement load hypothesis
2.4.2 Laufer and Hulstijn's empirical research on involvement load hypothesis
2.5 Domestic empirical researches on incidental vocabulary acquisition
2.6 Vocabulary learning by reading
Chapter Three Research Methodologies
3.1 Subjects
3.2 Instruments
3.2.1 The reading material and target words
3.2.2 The tasks
3.2.3 The questionnaire
3.3 Procedure
3.4 Data collection and analysis
Chapter Four Results and Discussion
4.1 The effects of involvement loads on incidental vocabulary acquisition and retention
4.1.1 The effects on incidental vocabulary acquisition
4.1.2 The effects on vocabulary retention
4.1.3 Comparison of the immediate and delayed posttests
4.2 The results and discussion of questionnaire
4.3 The effects of word exposure frequency on incidental vocabulary acquisition
Chapter Five Conclusion
5.1 Summary
5.2 Implications
5.3 Limitations
REFERENCES
Appendix Ⅰ Pre-test of Reading Comprehension (Level-4)
Appendix Ⅱ 英语学习和阅读任务调查问卷
Appendix Ⅲ Reading Tasks
Appendix Ⅳ Vocabulary Test
攻读学位期间取得的研究成果