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Contents
Series Editor's Preface xix
Acknowledgements xxiii
Abbreviations xxiv

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