二语写作中的语汇应用能力研究PDF|Epub|txt|kindle电子书版本网盘下载

二语写作中的语汇应用能力研究PDF格式电子书版下载

注意：本站所有压缩包均有解压码： 点击下载压缩包解压工具

Introducing the Study1

0.1 Introduction1

0.2 The Need for the Study3

0.2.1 The Theoretical Need3

0.2.2 The Methodological Need5

0.2.3 The Pedagogical Need6

0.3 Significance of the Study8

0.3.1 Theoretical Significance8

0.3.2 Methodological Significance9

0.3.3 Pedagogical Significance10

0.4 Outline of the Study11

0.5 Summary12

PART Ⅰ BACKGROUND16

Chapter Ⅰ Literature Review16

1.1 Introduction16

1.2 The Trait and Interactionalist Approaches to Assessing L2 Vocabulary16

1.2.1 The Trait Approach to Assessing Vocabulary17

1.2.2 The Interactionalist Approach to Assessing Vocabulary19

1.3 The Trait and Interactionalist Approaches:A Contrast20

1.4 Previous Measures of L2 Lexical Performance24

1.4.1 Lexical Variance24

1.4.2 Lexical Density26

1.4.3 Lexical Sophistication27

1.4.4 Lexical Originality29

1.4.5 Collocation31

1.5 Previous Studies of the Relationship Between L2 Lexical Performance Measures and L2 Writing Quality34

1.5.1 Relationship Between Lexical Variance Measures and L2 Writing Quality35

1.5.2 Relationship Between Lexical Density Measures and L2 Writing Quality37

1.5.3 Relationship Between Lexical Sophistication Measures and L2 Writing Quality39

1.5.4 Relationship Between Lexical Originality Measures and L2 Writing Quality40

1.5.5 Relationship Between Collocation and L2 Writing Quality41

1.6 Problems in the Previous Studies of L2 Lexical Performance Measures44

1.6.1 Lack of a General Framework in the L2 Lexical Performance Measures44

1.6.2 Confusing Definitions of L2 Lexical Performance Measures45

1.6.3 Unclear Procedures for Most L2 Lexical Performance Measures46

1.6.4 Problems in Examining the Relationship Between L2 Lexical PerformanceMeasures and L2 Writing Quality47

1.7 Solutions to the Problems52

1.7.1 Establishing a General Model of L2 Lexical Performance52

1.7.1.1 Lexical Richness53

1.7.1.2 Collocation56

1.7.1.3 Conceptual Model of L2 Lexical Performance as Represented by Lexical Richness and Collocation61

1.7.2 Proper Measurements of the Components of Lexical Richness and Collocation65

1.7.3 Using Analytic Scoring71

1.7.4 LISREL Modeling73

PART Ⅱ METHODOLOGY76

Chapter Ⅱ Research Design76

2.1 Introduction76

2.2 Research Questions76

2.3 Materials79

2.4 Research Tools80

2.4.1 The LISREL81

2.4.2 Range 1283

2.4.3 WordSmith Tools84

2.4.4 Cobuild Collocation Sampler88

2.4.4.1 A Concise Introduction to Cobuild Collocation Sampler88

2.4.4.2 Rational for MI Score and T-Score89

2.4.5 The British National Corpus93

Chapter Ⅲ Statistical Procedures94

3.1 Introduction94

3.2 Statistical Procedures of Measuring L2 Lexical Performance Variables94

3.2.1 Procedures for Variables of Lexical Richness94

3.2.1.1 Procedure for Lexical Variance95

3.2.1.2 Procedure for Lexical Density97

3.2.1.3 Procedure for Lexical Sophistication97

3.2.1.4 Procedure for Lexical Originality100

3.2.2 Procedures for Variables of Collocation102

3.2.2.1 Identifying Lexical and Grammatical Collocations103

3.2.2.2 Identifying Idioms106

3.2.2.3 Counting Lexical,Grammatical Collocations,and Idioms107

3.3 Scoring L2 Compositions107

PART Ⅲ RESULTS AND DISCUSSION112

Chapter Ⅳ Measurement and Structural Models112

4.1 Introduction112

4.2 A Review of the Research Questions112

4.3 General Model of L2 Lexical Performance Represented by Lexical Richness and Collocation113

4.3.1 Description of the Observed Variables of Lexical Richness and Collocation113

4.3.2 Description of the General Model of L2 Lexical Performance114

4.3.3 Interpreting the General Model of L2 Lexical Performance116

4.3.3.1 Measurement Model of Lexical Richness116

4.3.3.2 Measurement Model of Collocation117

4.3.3.3 Conceptual Model of L2 Lexical Performance120

4.4 Structural Models of L2 Lexical Performance and L2 Writing Quality121

4.4.1 Description of the Structural Models121

4.4.1.1 Model 1 Relationship Between L2 Lexical Performance and the Total L2 Writing Quality122

4.4.1.2 Model 2 Relationship Between L2 Lexical Performance and the Partial L2 Writing Quality124

4.4.2 Interpreting the Structural Models126

4.4.2.1 Interpreting Model 1126

4.4.2.1.1 Direct Effect of Lexical Richness on L2 Writing Quality126

4.4.2.1.2 Direct Effect of Collocation on L2 Writing Quality139

4.4.2.1.3 Indirect Effect of Lexical Richness on L2 Writing Quality144

4.4.2.1.4 Effect of L2 Lexical Performance on L2 Writing Quality145

4.4.2.2 Interpreting Model 2152

4.5 Summary153

Chapter Ⅴ A Comparison of Collocations Between the Low and High Achiever Groups155

5.1 Introduction155

5.2 Research Question156

5.3 Selection of the Low and High Achiever Groups157

5.4 Lexical Collocations Between the Low and High Achiever Groups:A Comparison158

5.4.1 Definition of an Advanced Lexical Collocation158

5.4.2 Description of the Overall Lexical Collocations159

5.4.3 Description of Lexical Collocations at Different Word Frequency Levels160

5.4.4 No Inter-group Difference in the Use of Lexical Collocations:An Explanation161

5.4.4.1 Limited Choice of Different Collocates of the Same Lexical Words162

5.4.4.2 Ignorance of Collocational Constraints168

5.4.4.3 Slow Progress in the Acquisition of Advanced Lexical Collocations177

5.5 Grammatical Collocations Between the Low and High Achiever Groups:A Comparison182

5.5.1 Definition of an Advanced Grammatical Collocation182

5.5.2 Description of the Overall Grammatical Collocations183

5.5.3 Description of Grammatical Collocations at Different Word Frequency Levels184

5.5.4 Significant Inter-group Difference in the Use of Grammatical Collocations:An Explanation185

5.5.4.1 Grammatical Knowledge186

5.5.4.2 A Fairly Strong Sense of Grammatical Collocations189

5.5.4.3 Productive Vocabulary Size and Morphology195

5.6 Summary197

PART Ⅳ CONCLUSION200

Chapter Ⅵ L2 Lexieal Performance and L2 Writing Quality:Conclusion200

6.1 Introduction200

6.2 A Summary of the Major Findings201

6.2.1 Framework of L2 Lexical Performance201

6.2.2 Effects of L2 Lexical Performance on L2 Writing Quality201

6.2.3 Differences in the Use of Collocations Between the Low and High Achiever Groups202

6.3 Theoretical Significance203

6.3.1 Construct of L2 Lexical Performance204

6.3.2 Modeling the Relationship Between L2 Lexical Performance and L2 Writing Quality204

6.4 Methodological Significance205

6.5 Pedagogical Significance206

6.6 Limitations of the Study211

6.7 Directions for Future Research212

References214

Appendices229