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