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2003

Harmes, J. C., Parshall, C. G., & Kromrey, J. D.. (2003). Recalibration of IRT item parameters in CAT: Sparse data matrices and missing data treatments. In Paper presented at the annual meeting of the National Council on Measurement in Education. Chicago IL.

ha03-01.pdf (625.24 KB)

2001

Parshall, C. G., Kromrey, J. D., Harmes, J. C., & Sentovich, C.. (2001). Nearest neighbors, simple strata, and probabilistic parameters: An empirical comparison of methods for item exposure control in CATs. In Paper presented at the annual meeting of the National Council on Measurement in Education. Seattle WA.

Harmes, J. C., Kromrey, J. D., & Parshall, C. G.. (2001). Online item parameter recalibration: Application of missing data treatments to overcome the effects of sparse data conditions in a computerized adaptive version of the MCAT. Unpublished manuscript.

ha01-01.pdf (405.35 KB)

2000

Parshall, C., Harmes, J. C., & Kromrey, J. D.. (2000). Item exposure control in computer-adaptive testing: The use of freezing to augment stratification. Florida Journal of Educational Research, 40, 28-52.

Parshall, C. G., Kromrey, J. D., & Hogarty, K. Y.. (2000). Sufficient simplicity or comprehensive complexity? A comparison of probabilitic and stratification methods of exposure control. In Paper presented at the annual meeting of the National Council on Measurement in Education. New Orleans LA.