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. (2003). The relationship between item exposure and test overlap in computerized adaptive testing. Journal of Educational Measurement, 40, 129-145.
. (2003). The relationship between item exposure and test overlap in computerized adaptive testing. Journal of Educational Measurement, 40, 129-145.
. (2003). The relationship between item exposure and test overlap in computerized adaptive testing. Journal of Educational Measurement, 40, 129-145.
. (2003). A simulation study to compare CAT strategies for cognitive diagnosis. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
xu03-01.pdf (249.75 KB). (2003). Test-score comparability, ability estimation, and item-exposure control in computerized adaptive testing. In Paper presented at the Annual meeting of the National Council on Measurement in Education. Chicago IL.
. (2002). Advances in quality of life measurements in oncology patients. Seminars in Oncology, 29, 60-8. presented at the Jun.
. (2002). Advances in quality of life measurements in oncology patients. Seminars in Oncology, 29, 60-8. presented at the Jun.
. (2002). Applicable adaptive testing models for school teachers. Educational Media International, 39, 55-59.
. (2002). Applicable adaptive testing models for school teachers. Educational Media International, 39, 55-59.
. (2002). Can examinees use judgments of item difficulty to improve proficiency estimates on computerized adaptive vocabulary tests? . Journal of Educational Measurement, 39, 311-330.
. (2002). Comparing three item selection approaches for computerized adaptive testing with content balancing requirement. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.
le02-01.pdf (225.92 KB). (2002). A comparison of item selection techniques and exposure control mechanisms in CATs using the generalized partial credit model. Applied Psychological Measurement, 26, 147-163.
. (2002). Fairness issues in adaptive tests with strict time limits. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
br02-01.pdf (1.26 MB). (2002). Feasibility and acceptability of computerized adaptive testing (CAT) for fatigue monitoring in clinical practice. Quality of Life Research, 11(7), 134.
. (2002). Feasibility and acceptability of computerized adaptive testing (CAT) for fatigue monitoring in clinical practice. Quality of Life Research, 11(7), 134.
. (2002). Hypergeometric family and item overlap rates in computerized adaptive testing. Psychometrika, 67, 387-398.
. (2002). Identify the lower bounds for item sharing and item pooling in computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
. (2002). Item selection in computerized adaptive testing: Improving the a-stratified design with the Sympson-Hetter algorithm. Applied Psychological Measurement, 26, 376-392.
. (2002). Item selection in computerized adaptive testing: Improving the a-stratified design with the Sympson-Hetter algorithm. Applied Psychological Measurement, 26, 376-392.
. (2002). Measuring quality of life in chronic illness: the functional assessment of chronic illness therapy measurement system. Archives of Physical Medicine and Rehabilitation, 83, S10-7. presented at the Dec.
. (2002). Optimum number of strata in the a-stratified adaptive testing design. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
we02-01.pdf (113.03 KB). (2002). Redeveloping the exposure control parameters of CAT items when a pool is modified. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
ch02-02.pdf (1.09 MB). (2002). The robustness of the unidimensional 3PL IRT model when applied to two-dimensional data in computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
zh02-01.pdf (1.32 MB). (2002). Test models for complex computer-based testing. In . C. N. Mille,. M. T. Potenza, J. J. Fremer, and W. C. Ward (Eds.). Computer-based testing: Building the foundation for future assessments (pp. 67-88). Hillsdale NJ: Erlbaum.
. (2002). To weight or not to weight – balancing influence of initial and later items in CAT. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.
ch02-01.pdf (251.46 KB). (2002). Using judgments of item difficulty to change answers on computerized adaptive vocabulary tests. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
. (2001). Adaptation of a-stratified method in variable length computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
we01-01.pdf (383.76 KB). (2001). Assessment in the twenty-first century: A role of computerised adaptive testing in national curriculum subjects. Teacher Development, 5, 241-57.
. (2001). a-stratified CAT design with content-blocking. In Paper presented at the Annual Meeting of the Psychometric Society. King of Prussia, PA.
yi01-02.pdf (409.92 KB). (2001). a-stratified computerized adaptive testing with unequal item exposure across strata. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
. (2001). a-stratified multistage computerized adaptive testing with b blocking. Applied Psychological Measurement, 25, 333-41.
. (2001). a-Stratified multistage computerized adaptive testing with b blocking. Applied Psychological Measurement, 25, 333-341.
. (2001). Can examinees use judgments of item difficulty to improve proficiency estimates on computerized adaptive vocabulary tests?. In Paper presented at the annual meeting of the National Council on Measurement in Education. Seattle WA.
. (2001). Deriving a stopping rule for sequential adaptive tests. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
gr01-01.pdf (110.09 KB). (2001). Development of an adaptive multimedia program to collect patient health data. American Journal of Preventative Medicine, 21, 320-324.
. (2001). Effects of changes in the examinees’ ability distribution on the exposure control methods in CAT. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
ch01-02.pdf (694.64 KB). (2001). An examination of item selection rules by stratified CAT designs integrated with content balancing methods. In Paper presented at the Annual Meeting of the American Educational Research Association. Seattle WA.
le01-01.pdf (295.52 KB). (2001). Implementing content constraints in a-stratified adaptive testing using a shadow test approach (Research Report 01-001). University of Twente, Department of Educational Measurement and Data Analysis.
. (2001). Integrating stratification and information approaches for multiple constrained CAT. In Paper presented at the Annual Meeting of the National Council on Measurement in Education. Seattle WA.
le01-02.pdf (321.58 KB). (2001). Item selection in computerized adaptive testing: Should more discriminating items be used first?. Journal of Educational Measurement, 38, 249-266.
. (2001). On maximizing item information and matching difficulty with ability. Psychometrika, 66, 69-77.
. (2001). Measurement efficiency of multidimensional computerized adaptive testing. In Paper presented at the annual meeting of the American Psychological Association. San Francisco CA.
. (2001). A new approach to simulation studies in computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
ch01-01.pdf (250.96 KB). (2001). On-line Calibration Using PARSCALE Item Specific Prior Method: Changing Test Population and Sample Size. In Paper presented at National Council on Measurement in Education Annual Meeting. Seattle, Washington.
. (2001). Practical issues in setting standards on computerized adaptive tests. In Setting performance standards: Concepts, methods, and perspectives (pp. 355-369). Mahwah, N.J. USA: Lawrence Erlbaum Associates, Inc.
. (2000). A comparison of item selection rules at the early stages of computerized adaptive testing. Applied Psychological Measurement, 24, 241-255.
. (2000). A comparison of item selection rules at the early stages of computerized adaptive testing. Applied Psychological Measurement, 24, 241-255.
. (2000). A comparison of item selection rules at the early stages of computerized adaptive testing. Applied Psychological Measurement, 24, 241-255.
. (2000). A comparison of item selection rules at the early stages of computerized adaptive testing. Applied Psychological Measurement, 24, 241-255.
. (2000). Content balancing in stratified computerized adaptive testing designs. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans, LA.
le00-01.pdf (426.85 KB). (2000). Estimating item parameters from classical indices for item pool development with a computerized classification test (ACT Research 2000-4). Iowa City IA, ACT, Inc.
. (2000). Estimation of trait level in computerized adaptive testing. Applied Psychological Measurement, 24, 257-265.
. (2000). ETS finds flaws in the way online GRE rates some students. Chronicle of Higher Education, 47, a47.
. (2000). An examination of exposure control and content balancing restrictions on item selection in CATs using the partial credit model. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans, LA.
. (2000). Multiple stratification CAT designs with content control. Unpublished manuscript.
. (2000). Performance of item exposure control methods in computerized adaptive testing: Further explorations. In Paper presented at the Annual Meeting of the American Educational Research Association. New Orleans , LA.
. (2000). Performance of item exposure control methods in computerized adaptive testing: Further explorations. In Paper presented at the Annual Meeting of the American Educational Research Association. New Orleans , LA.