The Psychometric Research Center publishes its results in the 'Measurement and Research Department Reports' series.
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| Bechger, Maris, Verstralen | 2010 | A Different View on DIF (pdf, 361 kB) |
| Bechger, Maris, Verstralen | 2010 | The Equivalence of LLTMs Depends on the Design (pdf, 157 kB) |
| Bechger, Timo M. | 2010 | Principal Component Analysis for Exploratory Analysis of Multivariate Group Differences (pdf, 146 kB) |
| Wouda, Eggen | 2009 | Computerized Classification Testing in More Than Two Categories Using Stochastic Curtailment (pdf, 210 kB) |
| Braeken | 2009 | A Distribution-Based Association Measure and its Application in Dimensionality Assessment (pdf, 217 kB) |
| Bechger, Maris | 2009 | On Interpreting the model parameters for the three parameter logistic model (pdf, 159 kB) |
| Bechger, Maris | 2009 | Minorization Algorithms for the Rasch Model (pdf, 224 kB) |
| Kamphuis, Verhelst | 2009 | A Poisson-Gamma model for speed tests (pdf, 283 kB) |
| Brinkhuis, Maris | 2009 | Dynamic Parameter Estimation in Student Monitoring Systems (pdf, 445 kB) |
| Eggen | 2008 | The Sequential Probability Ratio Test in Educational Testing (pdf, 445 kB) |
| Finkelman, Kim, Roussos, Verschoor | 2008 | A Binary Programaming Approach to Atuomated Test Assembly for Cognitive Diagnosis Models (pdf, 587 kB) |
| Molenaar | 2007 | Accounting for Non-Normality in Latent Regression Models Using a Cumulative Normal Selection Function (pdf, 365 kB) |
| Bechger, Maris, Hsiao | 2007 | Assessing the Size of Halo-effects in Performance-Based Tests and a Practical Solution to Avoid Halo-effects (pdf, 93 kB) |
| Veldkamp, Verschoor, Eggen | 2007 | A Multiple Objective Test Assembly Approach for Exposure Control Problems in Computerixed Adaptive Testing (pdf, 244 kB) |
| Verschoor | 2006 | Preventing the Bankruptcy or an Item Bank (pdf, 288 kB) |
| Verschoor | 2006 | Automated Assembly of Testsets: Fit in all Seasons (pdf, 295 kB) |
| Verstralen | 2006 | Explorations in Recursive Designs (pdf, 349 kB) |
| Van Ruitenberg | 2005 | Algorithms For Parameter Estimation In The Rasch Model (pdf, 931 kB) |
| Hickendorff | 2005 | Clustering Nominal Data with Equivalent Categories: A Simulation Study Comparing Restricted Groupals and Latent Class Analysis (pdf, 596 kB) |
| Maris | 2005 | Fuzzy Set Theory .. Probability Theory? A Comment on 'Membership functions and Probability Measures of Fuzzy Sets' (pdf, 218 kB) |
| Verschoor | 2005 | An Approximation of Cronbach's ... and its Use in Test Assembly (pdf, 185 kB) |
| Huitzing, Veldkamp, Verschoor | 2004 | Infeasibility in Automated Test Assembly Models: A Comparison Study of Different Methods (pdf, 154 kB) |
| Maris, Bechger | 2004 | An Introduction to the DA-T Gibbs Sampler for the Two-Parameter Logistic (2PL) Model and its Application (pdf, 705 kB) |
| Verschoor | 2004 | IRT Test Assembly Using Genetic Algorithms (pdf, 268 kB) |
| Eggen, Verhelst | 2004 | Loss of Information in Estimating Item Parameters in Incomplete Designs (pdf, 7 MB) |
| Eggen, Verschoor | 2004 | Optimal Testing With Easy of Difficult Items in Computerized Adpative Testing (pdf, 6 MB) |
| Bechger, Maris | 2004 | Structural Equation Modelling of Multiple Facet Data (pdf, 361 kB) |
| Bechger, Maris, Verstralen, Verhelst | 2003 | The Nedelsky Model for Multiple Choice Items (pdf, 325 kB) |
| Bechger, Maris, Béguin, Verstralen | 2003 | Combining Classical Test Theory and Item Response Theory (pdf, 330 kB) |
| Becher, Maris | 2003 | The Componential Nedelsky Model: A First Exploration (pdf, 152 kB) |
| Maris, Bechger | 2003 | Equivalent MIRID Models (pdf, 147 kB) |
| Maris, Bechger | 2003 | Two Methods for the Practical Analysis of Rating Data (pdf, 141 kB) |
| Maris | 2002 | Concerning the Identification of the 3PL Model (pdf, 57 kB) |
| Gunter Maris, Eric Maris | 2002 | Are Attutude Items Monotone or Single-Peaked? An Analysis Using Bayesion Methods (pdf, 227 kB) |
| Verhelst | 2002 | Testing the unidimensionality assumption of the Rasch Model (pdf, 367 kB) |
| Verstralen, Bechger, Maris | 2001 | The Combined Use of Classical Test Theory and Item Response Theory (pdf, 959 kB) |
| Roelofs, Visser | 2001 | Preferences for various learning environments: Teachers' and parents' perceptions (pdf, 304 kB) |
| Bechter, Hemker, Maris | 2001 | About the Cluster Kappa Coefficient (pdf, 344 kB) |
| Maris Béquin, Hanson | 2001 | Effect of Noncompensatory Multidimensionality on Separate and Concurrent estimation in IRT Observed Score Equating (pdf, 462 kB) |
| Eggen | 2001 | Overexposure and Underexposure in Computerized Adaptive Testing (pdf, 275 kB) |
| Hemker, van der Ark, Sijtsma | 2000 | On Measurement Properties of Continuation Ratio Models (pdf, 236 kB) |
| van Rijn, Eggen, Hemker, Sanders | 2000 | A Selection Procedure for Polytomous Items in Computerized Adaptive Testing (pdf, 236 kB) |
| Bechger, Verhelst, Verstralen | 2000 | Equivalent Linear Logistic Test Models (pdf, 269 kB) |
| Verstralen, Verhelst | 2000 | IRT Models for Subjective Weights of Options of Multiple Choice Questions (pdf, 282 kB) |
| Bechger, Verhelst, Verstralen | 2000 | Identifiability of Non-Linear Logistic Test Models (pdf, 234 kB) |
| Verstralen, Verhelst, Bechger | 2000 | A Double Harzard Model for Mental Speed (pdf, 239 kB) |
| Verhelst | 1998 | Estimating the Reliability of a Test from A Single Test Administration (pdf, 303 kB) |
| Eggen | 1998 | Item Selection in Adaptive Testing with the Sequential Probability Ratio Test (pdf, 83 kB) |
| Verhelst, Verstralen | 1997 | Modelling Sums of Binary Responses by the Partial Credit Model (pdf, 92 kB) |
| Eggen | 1997 | On the Loss of Information in Conditional Maximum Likelihood Estimation of Item Parameters (pdf, 292 kB) |
| Verstralen | 1997 | A Latent IRT Model for Options of Multiple Choice Items (pdf, 201 kB) |
| Straetmans, Eggen | 1997 | Comparison of Test Administration Procedures for Placement Decisions in a Mathematics Course (pdf, 60 kB) |
| Verstralen | 1997 | A Logistic Latent Class Model for Multiple Choice items (pdf, 499 kB) |
| Sanders, Verschoor | 1996 | Parallel Test Construction Using Classical Item Parameters |
| Eggen, Straetmans | 1996 | Computer Adaptive Testing for Classifying Examinees in Three Categories (pdf, 254 kB) |
| Verstralen | 1996 | Evaluating Ability in a Korfball Game (pdf, 95 kB) |
| Verstralen | 1996 | Estimating Integer Parameters in IRT MOdels for Polymous Items (pdf, 280 kB) |
| Theunissen | 1994 | An Attempt to Quantify Limits on Repeated Test Construction (pdf, 58 kB) |
| Verhelst | 1993 | On the Standard Errors of Parameter Estimators in the Rasch Model (pdf, 190 kB) |
| Verhelst, Verstralen, Jansen | 1992 | A Logistic Model for Time Limit Tests (pdf, 195 kB) |