1. INTRODUCTION
2. BASIC EQUATIONS DERIVED FROM A DEFINITION OF RANDOM ERROR
3. FUNDAMENTAL EQUATIONS DERIVED FROM A DEFINITION OF TRUE SCORE
4. ERRORS OF MEASUREMENT
SUBSTITUTION
AND PREDICTION
5. VARIOUS INTERPRETATIONS OF THE ERROR OF MEASUREMENT
6. EFFECT OF DOUBLING TEST LENGTH ON OTHER TEST PARAMETERS
7. EFFECT OF TEST ON MEAN AND (GENERAL CASE)
8. EFFECT OF TEST LENGTH ON RELIABILITY (GENERAL CASE)
9. EFFECT OF TEST LENGTH ON VALIDITY (GENERAL CASE)
10. EFFECT OF GROUP HETEROGENEITY ON TEST RELIABILITY
11. EFFECT OF GROUP HETEROGENEITY ON VALIDITY (BIVARIATE CASE)
12. CORRECTION FOR UNIVARIATE SELECTION IN THE THREE-VARIABLE CASE
13. CORRECTION FOR MULTIVARIATE SELECTION IN THE GENERAL CASE
14. A STATISTICAL CRITERION FOR PARALLEL TESTS
15. EXPERIMENTAL METHODS OF OBTAINING TEST RELIABILITY
16. RELIABILITY ESTIMATED FROM ITEM HOMOGENEITY
17. SPEED VERSUS POWER TESTS
18. METHODS OF SCORING TESTS
19. METHODS OF STANDARDIZING AND EQUATING TEST SCORES
20. PROBLEMS OF WEIGHTING AND DIFFERENTIAL PREDICTION
BIBLIOGRAPHY
APPENDIX A. EQUATIONS FROM ALGEBRA
ANALYTICAL GEOMETRY
AND STATISTICS
USED IN TEST THEORY
APPENDIX B. TABLE OF ORDINATES AND AREAS OF THE NORMAL CURVE
APPENDIX C. SAMPLE EXAMINATION QUESTIONS IN STATISTICS FOR USE AS A REVIEW EXAMINATION AT THE BEGINNING OF THE COURSE IN TEST THEORY
APPENDIX D. SAMPLE EXAMINATION ITEMS IN TEST THEORY
ANSWERS TO PROBLEMS
AUTHOR INDEX
TOPIC INDEX