- 作 者：陈芳著
- 出 版 社：天津：南开大学出版社
- 出版年份：2014
- ISBN：9787310045006
- 标注页数：108 页
- PDF页数：120 页
请阅读订购服务说明与试读!
订购服务说明
1、本站所有的书默认都是PDF格式，该格式图书只能阅读和打印，不能再次编辑。
2、除分上下册或者多册的情况下，一般PDF页数一定要大于标注页数才建议下单购买。【本资源120 ≥108页】
图书下载及付费说明
1、所有的电子图书为PDF格式，支持电脑、手机、平板等各类电子设备阅读；可以任意拷贝文件到不同的阅读设备里进行阅读。
2、电子图书在提交订单后一般半小时内处理完成,最晚48小时内处理完成。(非工作日购买会延迟)
3、所有的电子图书都是原书直接扫描方式制作而成。
ChapterⅠ Introduction 1
1.1 Statement of the Problem 1
1.2 Purpose of the Study and Research Questions 2
1.3 Theoretical Background 3
1.3.1 English Language Learners and the Inequality in Education 3
1.3.2 Language Proficiency in Academic Settings 4
1.3.3 Accommodation for ELLs 5
1.4 Chapter Summary 6
1.5 Assumptions of the Study 7
1.6 Limitations of the Study 7
ChapterⅡ Literature Review 8
2.1 Research on the Relationship between Language and Math Achievement 8
2.1.1 AConfirmed Relationship 8
2.1.2 AChanging Relationship 8
2.1.3 Other Variables of Interest 10
2.2 Limitations of Past Researches 12
2.2.1 Limitations in Research Designs 12
2.2.2 Limitations in Statistical Modeling 13
2.3 Quantile Regression:Basics and Applications 14
2.3.1 QRM in Equations 15
2.3.2 QRM Parameter Estimation 16
2.3.3 QRM Standard Error Calculation and Confidence Interval 17
2.3.4 Hypothesis Testing 18
2.3.5 QRM Goodness-of-fit Index 19
2.3.6 QRM Coefficients as Measures of Location,Scale and Skewness Shifts 20
2.4 QRM Applications in the Educational Field 23
2.5 Chapter Summary 25
ChapterⅢ Data and Modeling 26
3.1 Research Questions as a Review 26
3.2 Data 26
3.3 Models 31
ChapterⅣ Results 33
4.1 Grade Level Results 34
4.1.1 Overall Model Fit 34
4.1.2 lndividual Variable Effects 36
4.2 Longitudinal Results 53
4.2.1 Modeling Building 53
4.2.2 Results 59
4.3 Summary 74
ChapterⅤ Discussion 76
5.1 Implications 76
5.2 Limitations and Future Researches 78
References 80
Appendix A:Variable Summary 89
Appendix B:Descriptive and Diagnostic Statistics 90
Appendix C:Grade Level Model Comparison Statistics 94
Appendix D:Grade Level Full Model 97
Appendix E:Full Quantile Process Plot by Grade 104
Appendix F:Khmaladez Test at Grade Level 108