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Filters: Author is Spray, J. A. [Clear All Filters]
. (1997). Calibration of CAT items administered online for classification: Assumption of local independence. In Paper presented at the annual meeting of the Psychometric Society. Gatlinburg TN.
. (1996). Comparison of SPRT and sequential Bayes procedures for classifying examinees into two categories using a computerized test. Journal of Educational & Behavioral Statistics, 21, 405-414.
. (1993). Comparison of SPRT and sequential Bayes procedures for classifying examinees into two categories using an adaptive test. In Unpublished manuscript. (.
. (1996). Effect of altering passing score in CAT when unidimensionality is violated. In Paper presented at the annual meeting of the American Educational Research Association. presented at the April, New York NY.
. (1987). The effect of item parameter estimation error on decisions made using the sequential probability ratio test (No. Research Report 87-1). ACT Research Report Series. Iowa City, IA. USA: DTIC Document.
. (1987). The effect of item parameter estimation error on the decisions made using the sequential probability ratio test (ACT Research Report Series 87-17). Iowa City IA: American College Testing.
. (1998). Effect of item selection on item exposure rates within a computerized classification test. In Paper presented at the annual meeting of the National Council on Measurement in Education. San Diego CA.
. (1999). The effect of model misspecification on classification decisions made using a computerized test. Journal of Educational Measurement, 36, 47-59.
. (1995). The effect of model misspecification on classification decisions made using a computerized test: 3-PLM vs. 1PLM (and UIRT versus MIRT). In Paper presented at the Annual Meeting of the Psychometric Society. Minneapolis, MN.
. (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). 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.
. (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.
. (1993). Multiple-category classification using a sequential probability ratio test (Research report 93-7). Iowa City: American College Testing.
. (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.
. (1984). The selection of items for decision making with a computer adaptive test. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.
. (1994). The selection of test items for decision making with a computer adaptive test. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.
. (1994). The selection of test items for decision making with a computer adaptive test. In Paper presented at the national meeting of the National Council on Measurement in Education. New Orleans LA.
. (1996). Using unidimensional IRT models for dichotomous classification via CAT with multidimensional data. In Poster session presented at the annual meeting of the American Educational Research Association. Boston MA.