语言能力在数学测试中的差异性影响2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

语言能力在数学测试中的差异性影响PDF格式电子书版下载

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ChapterⅠ Introduction1

1.1 Statement of the Problem1

1.2 Purpose of the Study and Research Questions2

1.3 Theoretical Background3

1.3.1 English Language Learners and the Inequality in Education3

1.3.2 Language Proficiency in Academic Settings4

1.3.3 Accommodation for ELLs5

1.4 Chapter Summary6

1.5 Assumptions of the Study7

1.6 Limitations of the Study7

ChapterⅡ Literature Review8

2.1 Research on the Relationship between Language and Math Achievement8

2.1.1 AConfirmed Relationship8

2.1.2 AChanging Relationship8

2.1.3 Other Variables of Interest10

2.2 Limitations of Past Researches12

2.2.1 Limitations in Research Designs12

2.2.2 Limitations in Statistical Modeling13

2.3 Quantile Regression:Basics and Applications14

2.3.1 QRM in Equations15

2.3.2 QRM Parameter Estimation16

2.3.3 QRM Standard Error Calculation and Confidence Interval17

2.3.4 Hypothesis Testing18

2.3.5 QRM Goodness-of-fit Index19

2.3.6 QRM Coefficients as Measures of Location,Scale and Skewness Shifts20

2.4 QRM Applications in the Educational Field23

2.5 Chapter Summary25

ChapterⅢ Data and Modeling26

3.1 Research Questions as a Review26

3.2 Data26

3.3 Models31

ChapterⅣ Results33

4.1 Grade Level Results34

4.1.1 Overall Model Fit34

4.1.2 lndividual Variable Effects36

4.2 Longitudinal Results53

4.2.1 Modeling Building53

4.2.2 Results59

4.3 Summary74

ChapterⅤ Discussion76

5.1 Implications76

5.2 Limitations and Future Researches78

References80

Appendix A:Variable Summary89

Appendix B:Descriptive and Diagnostic Statistics90

Appendix C:Grade Level Model Comparison Statistics94

Appendix D:Grade Level Full Model97

Appendix E:Full Quantile Process Plot by Grade104

Appendix F:Khmaladez Test at Grade Level108