Chapter 1 Introduction 1
1.1 Research Background 1
1.1.1 Significance of Vocabulary Acquisition 2
1.1.2 Necessity of Present Study 3
1.1.3 Research of L2 Vocabulary Acquisition 5
1.2 Organization of This Thesis 8
Chapter 2 Literatare Review 10
2.1 Introduction 10
2.2 Previous Studies on Vocabulary Knowledge and Development 11
2.2.1 Research into Word Knowledge Type by Richards 12
2.2.2 Nation's Framework of Word Knowledge 14
2.2.3 Laufer's Framework 17
2.2.4 Other Related Frameworks 18
2.2.5 Related Study in China on Vocabulary Knowledge 19
2.2.6 Summaries and Conclusions 22
2.3 Previous Studies on Vocabulary Knowledge Assessment 22
2.3.1 Terminological Definitions in Measuring Vocabulary Acquisition 23
2.3.2 Assessing the Breadth of Vocabulary Knowledge 25
2.3.3 Tests for Depth of Vocabulary Knowledge Measurement 31
2.3.4 Summaries and Conclusions 38
2.4 Incidental and Intentional Learning 39
2.4.1 Introduction 39
2.4.2 Definition of Incidental Vocabulary Learning 41
2.4.3 Specific Ways of Incidental Vocabulary Learning 43
2.4.4 Incidental Vocabulary Learning Through Extensive Reading 45
2.5 Intentional Vocabulary Learning 59
2.5.1 Definition of Intentional Vocabulary Learning 59
2.5.2 Specific Ways of Intentional Vocabulary Learning 60
2.6 Balance of Incidental Vocabulary Learning and Intentional Vocabulary Learning 69
2.7 Review on Word Meaning and Context 74
2.7.1 The Definition of Context 74
2.7.2 The Classification of Context 76
2.7.3 Functions of Context 78
2.7.4 Audio-Visual Context 80
2.7.5 Intentional Vocabulary Leaning in Audio-Visual Context 81
2.7.6 Summaries and Conclusions 82
2.8 Summary 83
Chapter 3 Empirical Study Ⅰ 85
3.1 Origin of the Study 85
3.2 Experiment Ⅰ 88
3.2.1 Subjects 88
3.2.2 Material Preparation 90
3.2.3 Administration of the Study 93
3.2.4 Evaluation Methods of Learning Achievement 95
Chapter 4 Statistic Analysis and Evaluation of Experiment Ⅰ 98
4.1 Global Analysis and Evaluation on Acquisition Resuits 99
4.1.1 Immediate Acquisition Results between Two Inputs 99
4.1.2 Word Knowledge Retention 101
4.2 Specific Analysis and Evaluation on the Receptive Word Knowledge and Productive Word Knowledge 107
4.2.1 Respective and Productive Word Knowledge through Time Ranges within the Same Input 108
4.2.2 Receptive and Productive Word Knowledge through Time Ranges with Different Inputs 120
4.3 Conclusion of Experiment Ⅰ 128
4.3.1 Results 128
4.3.2 Pedagogical Implication 129
4.3.3 Limitation of Experiment Ⅰ 133
Chapter 5 Empirical Study Ⅱ 135
5.1 Research Hypotheses 135
5.2 Subjects of the Research 136
5.3 Target Words 139
5.4 Procedures 140
5.4.1 Pretest of Subjects'Listening Ability 142
5.4.2 Pretest of Subjects'Vocabulary Size 142
5.4.3 Pilot Study 143
5.5 Main Study 144
5.5.1 Immediate Posttests and Scoring Method 146
5.5.2 Delayed Posttests and Scoring Method 147
5.5.3 Questionnaire Ⅱ 148
5.6 Method of Statistical Analysis 148
Chapter 6 Statistic Analysis and Evaluation of ExperimentⅡ 149
6.1 Global Results 150
6.1.1 General Results of Immediate Posttest 150
6.1.2 General Results of First Delayed Posttest One Week Later 152
6.1.3 General Results of Second Delayed Posttest One Month Later 154
6.2 Specific Results of Word Retention 156
6.2.1 Specific Results of Receptive and Productive Word Knowledge 156
6.2.2 Specific Results of Paired T-Test Comparison between Posttests within Groups 166
6.2.3 Specific Results of Paired T-test Comparison of Word Knowledge between Posttests within Groups 171
6.2.4 Specific Results of Correlations Among Listening Comprehension，Vocabulary Size and Word Retention Performance 178
6.2.5 Specific Effects of Subjects'Vocabulary Size on Word Retention Performance 181
6.2.6 Specific Effects of Subjects'Listening Ability on Word Retention Performance 184
6.3 Results of Questionnaire Ⅱ 188
6.4 Discussion and Evaluation 192
6.4.1 Discussion on Hypothesis One 193
6.4.2 Discussion on Hypothesis Two 194
6.4.3 Discussion on Hypothesis Three 196
6.4.4 Discussion on Hypothesis Four 196
6.4.5 Discussion of the Questionnaire Ⅱ 198
Chapter 7 Conclusion of Experiment Ⅱ 201
7.1 Major Findings of Experiment Ⅱ 201
7.2 Implications and Limitations of Experiment Ⅱ 203
Appendix Ⅰ：Questionnaire 205
Appendix Ⅱ：Reading and Instruction Materials 209
Appendix Ⅲ：Quiz Sample of Experiment Ⅰ 286
Appendix Ⅳ：Test for Listening Level 288
Appendix Ⅴ：Vocabulary Levels Tests 294
Appendix Ⅵ：Target Words for Experiment Ⅱ 300
Appendix Ⅶ：Script of the Movie Clips 301
Appendix Ⅷ：Immediate Posttests 306
Appendix Ⅸ：Questionnaire Ⅱ 314
Bibliography 316