. (2010). Constrained Adaptive Testing with Shadow Tests. In Elements of Adaptive Testing (pp. 31-56). doi:10.1007/978-0-387-85461-8
. (2003). Using response times to detect aberrant responses in computerized adaptive testing. Psychometrika, 68, 251-265.
. (2003). Implementing content constraints in alpha-stratified adaptive testing using a shadow test approach. Applied Psychological Measurement, 27, 107-120.
. (1997). Multidimensional adaptive testing with a minimum error-variance criterion (Research Report 97-03). Enschede, The Netherlands: University of Twente, Department of Educational Measurement and Data Analysis.
. (2002). Constraining item exposure in computerized adaptive testing with shadow tests (Research Report No. 02-06). University of Twente, The Netherlands.
. (2000). Capitalization on item calibration error in adaptive testing. Applied Measurement in Education, 13, 35-53.
. (2000). Constrained adaptive testing with shadow tests. In . W. J. van der Linden and C. A. W. Glas (eds.), Computerized adaptive testing: Theory and practice (pp.27-52). Norwell MA: Kluwer.
. (1999). Empirical initialization of the trait estimator in adaptive testing. Applied Psychological Measurement, 23, 21-29.
. (2003). Some alternatives to Sympson-Hetter item-exposure control in computerized adaptive testing. Journal of Educational and Behavioral Statistics, 28, 249-265.
. (1989). Some procedures for computerized ability testing. International Journal of Educational Research, 13(2), 175-187.
. (2005). Implementing content constraints in alpha-stratified adaptive testing using a shadow test approach. Law School Admission Council, Computerized Testing Report 01-09.
. (1997). Multidimensional adaptive testing with a minimum error-variance criterion. In Paper presented at the annual meeting of the American Educational Research Association. Chicago.
. (2010). Item Selection and Ability Estimation in Adaptive Testing. In Elements of Adaptive Testing (pp. 3-30). New York: Springer. doi:10.1007/978-0-387-85461-8
. (1999). Using response-time constraints to control for differential speededness in computerized adaptive testing. Applied Psychological Measurement, 23, 195-210.
. (2007). Statistical aspects of adaptive testing. In . C. R. Rao and S. Sinharay (Eds.), Handbook of statistics (Vol. 27: Psychometrics) (pp. 801838). Amsterdam: North-Holland.
. (2003). Alpha-stratified adaptive testing with large numbers of content constraints. Applied Psychological Measurement, 27, 107-120.
. (1996). Bayesian item selection criteria for adaptive testing (Research Report 96-01). Twente, The Netherlands: Department of Educational Measurement and Data Analysis.
. (2000). Using response times to detect aberrant behavior in computerized adaptive testing (Research Report 00-09). Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis.
. (2006). Assembling a computerized adaptive testing item pool as a set of linear tests. Journal of Educational and Behavioral Statistics, 31, 81-99.
. (2003). Constraining item exposure in computerized adaptive testing with shadow tests. In Paper presented at the Annual meeting of the National Council on Measurement in Education. Chicago IL.
. (1999). Het ontwerpen van adaptieve examens [Designing adaptive tests]. In . J. M Pieters, Tj. Plomp, and L.E. Odenthal (Eds.), Twintig jaar Toegepaste Onderwijskunde: Een kaleidoscopisch overzicht van Twents onderwijskundig onderzoek (pp. 249-267). Enschede: Twente University Press.
. (1998). Stochastic order in dichotomous item response models for fixed, adaptive, and multidimensional tests. Psychometrika, 63, 211-226.
. (2010). Sequencing an Adaptive Test Battery. In Elements of Adaptive Testing. doi:10.1007/978-0-387-85461-8
. (2001). Computerized adaptive testing with equated number-correct scoring. Applied Psychological Measurement, 25, 343-355.
. (2016). Multidimensional Computerized Adaptive Testing for Classifying Examinees With Within-Dimensionality. Applied Psychological Measurement, 40, 387-404. doi:10.1177/0146621616648931
. (2014). Item Selection Methods Based on Multiple Objective Approaches for Classifying Respondents Into Multiple Levels. Applied Psychological Measurement, 38, 187-200. doi:10.1177/0146621613509723
. (1996). A comparison of adaptive self-referenced testing and classical approaches to the measurement of individual change. Unpublished doctoral dissertation, University of Minnesota.
. (2000). Taylor approximations to logistic IRT models and their use in adaptive testing. Journal of Educational and Behavioral Statistics, 25, 307-343.
. (1997). Statistical methods for computerized adaptive testing. Unpublished doctoral dissertation, University of Twente, Enschede, The Netherlands.
. (1994). Some new item selection criteria for adaptive testing (Research Rep 94-6). Enschede, The Netherlands: University of Twente, Department of Educational Measurement and Data Analysis.
. (2000). Detection of known items in adaptive testing with a statistical quality control method. Journal of Educational and Behavioral Statistics, 25, 373-389.
. (1994). A simple and fast item selection procedure for adaptive testing. Research (Report 94-13). University of Twente.
. (1997). Some new item selection criteria for adaptive testing. Journal of Educational and Behavioral Statistics, 22, 203-226.
. (2001). Implementing constrained CAT with shadow tests for large item pools. Submitted for publication.
. (2003). Item selection in polytomous CAT. In , New developments in psychometrics (pp. 207–214). Tokyo, Japan: Psychometric Society, Springer.
ve03027.pdf (78.48 KB). (2017). Robust Automated Test Assembly for Testlet-Based Tests: An Illustration with Analytical Reasoning Items. Frontiers in Education, 2, 63. doi:10.3389/feduc.2017.00063
Robust_ATA_veldkamp_paap_2017.pdf (184.33 KB). (2002). Mathematical-programming approaches to test item pool design (No. RR 02-09) (pp. 93-108). Twente, The Netherlands: University of Twente, Faculty of Educational Science and Technology.
. (2000). Modifications of the branch-and-bound algorithm for application in constrained adaptive testing (Research Report 00-05). Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis.
. (2003). Implementing an alternative to Sympson-Hetter item-exposure control in constrained adaptive testing. In Paper presented at the Annual meeting of the National Council on Measurement in Education. Chicago IL.
. (2013). Uncertainties in the Item Parameter Estimates and Robust Automated Test Assembly. Applied Psychological Measurement, 37, 123-139. doi:10.1177/0146621612469825
. (2010). Designing Item Pools for Adaptive Testing. In Elements of Adaptive Testing (pp. 231-245). doi:10.1007/978-0-387-85461-8
. (2002). Multidimensional adaptive testing with constraints on test content. Psychometrika, 67, 575-588.
. (2000). Multidimensional adaptive testing with constraints on test content (Research Report 00-11). Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis.
. (2003). Item selection in polytomous CAT. In . H. Yanai, A. Okada, K. Shigemasu, Y Kano, and J. J. Meulman (eds.), New developments in psychometrics (pp. 207-214). Tokyo, Japan: Springer-Verlag.
. (2000). Designing item pools for computerized adaptive testing. In Computerized adaptive testing: Theory and practice (pp. 149–162). Dendrecht, The Netherlands: Kluwer Academic Publishers.
. (2008). Implementing Sympson-Hetter Item-Exposure Control in a Shadow-Test Approach to Constrained Adaptive Testing. International Journal of Testing, 8, 272-289. doi:10.1080/15305050802262233
. (1999). Designing item pools for computerized adaptive testing (Research Report 99-03 ). Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis.
. (2007). A multiple objective test assembly approach for exposure control problems in computerized adaptive testing (No. 2007-1). Measurement and Research Department Reports. Arnhem, The Netherlands: Cito.
. (2016). On the Issue of Item Selection in Computerized Adaptive Testing With Response Times. Journal of Educational Measurement, 53, 212–228. doi:10.1111/jedm.12110
. (1999). The use of Rasch analysis to produce scale-free measurement of functional ability. American Journal of Occupational Therapy, 53, 83-90.
. (2008). Utilizing Rasch measurement models to develop a computer adaptive self-report of walking, climbing, and running. Disability and Rehabilitation, 30, 458-467.
. (2017). Grow a Tiger out of Your CAT . In IACAT 2017 Conference. presented at the 08/2017, Niigata, Japan: Niigata Seiryo University.
. (2011). Optimal Calibration Designs for Computerized Adaptive Testing. In Annual Conference of the International Association for Computerized Adaptive Testing. presented at the 10/2011.
IACAT 2011 Verschoor Optimal Calibration Designs.pdf (164.38 KB). (2010). MATHCAT: A Flexible Testing System in Mathematics Education for Adults. In Elements of Adaptive Testing (pp. 137-150). doi:10.1007/978-0-387-85461-8
. (2011). A Test Assembly Model for MST. In Annual Conference of the International Association for Computerized Adaptive Testing. presented at the 10/2011.
IACAT 2011 Verschoor Radtke Eggen Test Assmebly Model.pdf (339.24 KB). (1984). An evaluation of the utility of large scale computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
. (1984). An evaluation of the utility of large scale computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. Chicago.
. (2017). Using Determinantal Point Processes for Multistage Testing. In IACAT 2017 Conference. presented at the 08/2017, Niigata, Japan: Niigata Seiryo University. Retrieved from https://drive.google.com/open?id=1GkJkKTEFWK3srDX8TL4ra_Xbsliemu1R