Spray, J. A., & Reckase, M. D.. (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.

Spray, J. A., & Reckase, M. D.. (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.

Spray, J. A., Kalohn, J. C., Schulz, M., & Fleer, J. P.. (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.

Spray, J. A., Parshall, C. G., & Huang, C. - H.. (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.

Spray, J. A., & Reckase, M. D.. (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.

Spray, J. A., & Reckase, M. D.. (1993). Comparison of SPRT and sequential Bayes procedures for classifying examinees into two categories using an adaptive test. In Unpublished manuscript. (.

Spray, J. A., & Reckase, M. D.. (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.

Spray, J. A. (1993). Multiple-category classification using a sequential probability ratio test (Research report 93-7). Iowa City: American College Testing.

Spray, J. A., Abdel-Fattah, A. A., Huang, C. - Y., & Lau, C. A.. (1997). Unidimensional approximations for a computerized adaptive test when the item pool and latent space are multidimensional (Research Report 97-5). Iowa City IA: ACT Inc.

Spray, J. A., & Reckase, M. D.. (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.