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. (1998). Evaluation of methods for the use of underutilized items in a CAT environment. In Paper presented at the annual meeting of the Psychometric Society. Urbana, IL.
. (1998). An examination of item-level response times from an operational CAT. In Paper presented at the annual meeting of the National Council on Measurement in Education. Urbana IL.
. (1998). Expected losses for individuals in Computerized Mastery Testing. In Paper presented at the annual meeting of National Council on Measurement in Education. San Diego.
. (1999). The effect of model misspecification on classification decisions made using a computerized test. Journal of Educational Measurement, 36, 47-59.
. (1999). The effects of test difficulty manipulation in computerized adaptive testing and self-adapted testing. Applied Measurement in Education, 12, 167-184.
. (1999). Empirical initialization of the trait estimator in adaptive testing. Applied Psychological Measurement, 23, 21-29.
. (1999). An enhanced stratified computerized adaptive testing design. In Paper presented at the annual meeting of the American Educational Research Association. Montreal, Canada.
le99-01.pdf (477.89 KB). (1999). Evaluating the usefulness of computerized adaptive testing for medical in-course assessment. Academic Medicine, 74, 1125-8. presented at the Oct.
. (1999). An examination of conditioning variables in DIF analysis in a computer adaptive testing environment. In Paper presented at the annual meeting of the National Council on Measurement in Education. Montreal, Canada.
. (1999). Examinee judgments of changes in item difficulty: Implications for item review in computerized adaptive testing. Applied Measurement in Education, 12, 185-198.
. (1999). Exploring the relationship between item exposure rate and test overlap rate in computerized adaptive testing. Paper presented at the annual meeting of the National Council on Measurement in Education, Montreal, Canada.
. (2000). Effects of item-selection criteria on classification testing with the sequential probability ratio test (Research Report 2000-8). Iowa City, IA: American College Testing.
. (2000). Effects of nonequivalence of item pools on ability estimates in CAT. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.
ba00-01.pdf (656.37 KB). (2000). Emergence of item response modeling in instrument development and data analysis. Medical Care, 38, II60-II65.
. (2000). Estimating Item Parameters from Classical Indices for Item Pool Development with a Computerized Classification Test. (No. Research Report 2000-4). Iowa City, Iowa: ACT, Inc.
. (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). An examination of the reliability and validity of performance ratings made using computerized adaptive rating scales. Dissertation Abstracts International: Section B: The Sciences and Engineering, 61, 570.
. (2000). An exploratory analysis of item parameters and characteristics that influence item level response time. Dissertation Abstracts International Section A: Humanities and Social Sciences, 61, 1812.
. (2001). The effect of test and examinee characteristics on the occurrence of aberrant response patterns in a computerized adaptive test. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
. (2001). Effective use of simulated data in an on-line item calibration in practical situations of computerized adaptive testing. In Paper presented at the annual meeting of the American Educational Research Association. Seattle WA.
. (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). Efficient on-line item calibration using a nonparametric method adjusted to computerized adaptive testing. In Paper presented at the Annual Meeting of the National Council on Measurement in Education. Seattle WA.
. (2001). Evaluation of an MMPI-A short form: Implications for adaptive testing. Journal of Personality Assessment, 76, 76-89.
. (2001). An examination of conditioning variables used in computer adaptive testing for DIF analyses. Applied Measurement in Education, 14, 3-16.
. (2001). An examination of item review on a CAT using the specific information item selection algorithm. In Paper presented at the annual meeting of the National Council on Measurement in Education. Seattle WA.
. (2001). An examination of item review on a CAT using the specific information item selection algorithm. In Paper presented at the annual meeting of the National Council on Measurement in Education. Seattle WA.
bo01-01.pdf (324.67 KB). (2001). An examination of item review on computer adaptive tests. Manuscript in preparation, University of Virginia.
. (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). An examination of testlet scoring and item exposure constraints in the verbal reasoning section of the MCAT. MCAT Monograph Series: Association of American Medical Colleges.
. (2001). An examination of testlet scoring and item exposure constraints in the Verbal Reasoning section of the MCAT. In .
daxx-01.pdf (652.37 KB). (2001). An examination of the comparative reliability, validity, and accuracy of performance ratings made using computerized adaptive rating scales. Journal of Applied Psychology, 86, 965-973.
. (2002). The effect of test characteristics on aberrant response patterns in computer adaptive testing. Dissertation Abstracts International Section A: Humanities & Social Sciences, 62, 3363.
. (2002). An EM approach to parameter estimation for the Zinnes and Griggs paired comparison IRT model. Applied Psychological Measurement, 26, 208-227.
. (2002). An empirical comparison of achievement level estimates from adaptive tests and paper-and-pencil tests. In annual meeting of the American Educational Research Association. New Orleans, LA. USA.
. (2002). An empirical comparison of achievement level estimates from adaptive tests and paper-and-pencil tests. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans LA.
ki02-01.pdf (133.01 KB). (2002). An empirical investigation of selected multi-stage testing design variables on test assembly and decision accuracy outcomes for credentialing exams (Center for Educational Assessment Research Report No 469). Amherst, MA: University of Massachusetts, School of Education.
. (2002). Employing new ideas in CAT to a simulated reading test. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.
to02-01.pdf (215.33 KB). (2002). Étude de la distribution d'échantillonnage de l'estimateur du niveau d'habileté en testing adaptatif en fonction de deux règles d'arrêt dans le contexte de l'application du modèle de Rasch [Study of the sampling distribution of the proficiecy estima. Mesure et évaluation en éducation, 24(2-3), 23-40.
ra02-03.pdf (366.98 KB). (2002). Evaluation of selection procedures for computerized adaptive testing with polytomous items. Applied Psychological Measurement, 26, 393-411.
. (2002). Evaluation of selection procedures for computerized adaptive testing with polytomous items. Applied Psychological Measurement, 26, 393-411.
. (2002). An examination of decision-theory adaptive testing procedures. In Paper presented at the annual meeting of the American Educational Research Association. New Orleans, LA.
ru02-01.pdf (45.1 KB). (2002). An exploration of potentially problematic adaptive tests. Research Report 02-05).
. (2003). Effect of extra time on GRE® Quantitative and Verbal Scores (Research Report 03-13). Princeton NJ: Educational Testing service.
br03-01.pdf (87.76 KB). (2003). The effect of item selection method on the variability of CAT’s ability estimates when item parameters are contaminated with measurement errors. In Paper presented at the Annual meeting of the National Council on Measurement in Education. Chicago IL.
li03-03.pdf (274.97 KB). (2003). The effects of model misfit in computerized classification test. Paper presented at the annual meeting of the National Council on Measurement in Education, Chicago IL.
ji03-01.pdf (431.5 KB). (2003). The effects of model specification error in item response theory-based computerized classification test using sequential probability ratio test. Dissertation Abstracts International Section A: Humanities & Social Sciences, 64, 478.
. (2003). Effects of test administration mode on item parameter estimates. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
yi03-02.pdf (232.48 KB). (2003). Evaluating a new approach to detect aberrant responses in CAT. In Paper presented at the annual meeting of the American Educational Research Association. Chicago IL.
. (2003). Evaluating computer-based test security by generalized item overlap rates. In Paper presented at the annual meeting of the American Educational Research Association. Chicago IL.
. (2003). Evaluating computerized adaptive testing design for the MCAT with realistic simulated data. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
lu03-01.pdf (984.95 KB). (2003). Evaluating stability of online item calibrations under varying conditions. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
. (2003). Evaluating the comparability of English- and French-speaking examinees on a science achievement test administered using two-stage testing. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.
pu03-01.pdf (567.05 KB). (2003). The evaluation of exposure control procedures for an operational CAT. . In Paper presented at the Annual Meeting of the American Educational Research Association. Chicago IL.
fr03-01.pdf (198.89 KB). (2003). An examination of exposure control and content balancing restrictions on item selection in CATs using the partial credit model. Journal of Applied Measurement, 4, 24-42.
. (2003). Exposure control using adaptive multi-stage item bundles. In Paper presented at the Annual meeting of the National Council on Measurement in Education. Chicago IL.