语言测评中的统计分析 英文PDF电子书下载

Part Ⅰ： Basic concepts and statistics 1

1 Basic concepts and terms 3

2 Describing test scores 41

3 Investigating relationships among different sets of test scores 78

Part Ⅱ：Statistics for test analysis and improvement 117

4 Analyzing test tasks 119

5 Investigating reliability for norm-referenced tests 153

6 Investigating reliability for criterion-referenced tests 192

Part Ⅲ：Statistics for test use 207

7 Stating hypotheses and making statistical inferences 209

8 Tests of statistical significance 229

9 Investigating validity 257

10 Reporting and interpreting test scores 294

Bibliography 323

Index 330

Appendices 351

Appendix 1：Statistical tables 351

Table A：Proportions of area under the standard normal curve 351

Table B：Critical values of t 357

Table C：Critical values of F 358

Table D：Critical values of the Pearson product-moment correlation coefficient 363

Table E：Critical values of the Spearman rank-order correlation coefficient 364

Appendix 2：Workbook 365