. (2004). A sequential Bayesian procedure for item calibration in multistage testing. In Paper presented at the annual meeting of the National Council on Measurement in Education. San Diego CA.
. (2004). Constraining item exposure in computerized adaptive testing with shadow tests. Journal of Educational and Behavioral Statistics, 29, 273-291.
. (1999). Adaptive testing with equated number-correct scoring (Research Report 99-02). Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis.
. (2005). Constraining item exposure in computerized adaptive testing with shadow tests. Law School Admission Council Computerized Testing Report 02-03.
. (2000). Computerized adaptive testing: Theory and practice. Dordrecht, The Netherlands: Kluwer Academic Publishers.
. (2003). Bayesian checks on outlying response times in computerized adaptive testing. In . H. Yanai, A. Okada, K. Shigemasu, Y. Kano, Y. and J. J. Meulman, (Eds.), New developments in psychometrics (pp. 215-222). New York: Springer-Verlag.
. (2005). A comparison of item-selection methods for adaptive tests with content constraints. Journal of Educational Measurement, 42, 283-302.
. (2005). A comparison of item-selection methods for adaptive tests with content constraints. Journal of Educational Measurement, 42, 283-302.
. (2017). Bayesian Perspectives on Adaptive Testing. In IACAT 2017 Conference. presented at the 08/2017, Niigata, Japan: Niigata Seiryo University.
. (1998). Capitalization on item calibration error in adaptive testing (Research Report 98-07). Enschede, The Netherlands: University of Twente, Faculty of Educational Science and Technology, Department of Measurement and Data Analysis.
. (2010). Constrained Adaptive Testing with Shadow Tests. In Elements of Adaptive Testing (pp. 31-56). doi:10.1007/978-0-387-85461-8
. (1997). Detection of aberrant response patterns in CAT. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
. (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.
. (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
. (2016). Multidimensional Computerized Adaptive Testing for Classifying Examinees With Within-Dimensionality. Applied Psychological Measurement, 40, 387-404. doi:10.1177/0146621616648931
. (1996). A comparison of adaptive self-referenced testing and classical approaches to the measurement of individual change. Unpublished doctoral dissertation, University of Minnesota.
. (1997). Some new item selection criteria for adaptive testing. Journal of Educational and Behavioral Statistics, 22, 203-226.
. (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.
. (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
. (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). (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.
. (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.
. (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.
. (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.
. (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). 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. Chicago.
. (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.
. (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