New Horizon Testing

ContributorsPrefaceAcknowledgments Introduction Latent Trait Theory Adaptive Testing ReferencesI Estimating Item Parameters and Ability 1 Estimation of Parameters in the Three-Parameter Latent Trait Model Purpose Design of the Study Results Discussion References 2 Robustness of Item Response Models and Effects of Test Length and Sample Size on the Precision of Ability Estimates Study 1 Study 2 References 3 Small N Justifies Rasch Model Method Test Studied Results Conclusions Appendix: Asymptotic Sampling Variance of ¿ Reference 4 Are We Correcting for Guessing in the Wrong Direction? The Start of an Alternative A More Specific Plan An AMJACK Example Conclusions Afterthought Appendix A Appendix B ReferencesII Beyond the Ability Estimate 5 The Person Response Curve: Fit of Individuals to Item Response Theory Models Related Research The Person Response Curve Method Results Conclusions and Directions for Future Research References 6 Appropriateness Measurement: Validating Studies and Variable Ability Models Objectives and Limitations of Appropriateness Measurement Review of Test Theories and Basic Appropriateness Measurement Simulation Procedures and Earlier Results Empirical Studies Summary and Concluding Remarks ReferencesIII Applications to Testing Problems 7 Effects of Sample Size on Linear Equating of Item Characterisfic Curve Parameters Item Characteristic Curve Parameters Linking Paradigms Method Results Discussion Conclusions References 8 A Test of the Adequacy of Curvilinear Score Equating Models Equating Models Study Design Results and Discussion Conclusions References 9 Timed Testing: An Approach Using Item Response Theory The Model Estimation Applications: I. Spatial Test Data Applications: II.