@conference {943,
	title = {Recalibration of IRT item parameters in CAT: Sparse data matrices and missing data treatments},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2003},
	note = {(PDF file, 626 K},
	address = {Chicago IL},
	author = {Harmes, J. C. and Parshall, C. G. and Kromrey, J. D.}
}
@conference {1084,
	title = {Nearest neighbors, simple strata, and probabilistic parameters: An empirical comparison of methods for item exposure control in CATs},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2001},
	address = {Seattle WA},
	author = {Parshall, C. G. and Kromrey, J. D. and Harmes, J. C. and Sentovich, C.}
}
@booklet {1402,
	title = {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},
	year = {2001},
	note = {{PDF file, 406 KB}},
	address = {Unpublished manuscript},
	author = {Harmes, J. C. and Kromrey, J. D. and Parshall, C. G.}
}
@article {657,
	title = {Item exposure control in computer-adaptive testing: The use of freezing to augment stratification},
	journal = {Florida Journal of Educational Research},
	volume = {40},
	year = {2000},
	pages = {28-52},
	author = {Parshall, C. and Harmes, J. C. and Kromrey, J. D.}
}
@conference {1085,
	title = {Sufficient simplicity or comprehensive complexity? A comparison of probabilitic and stratification methods of exposure control},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2000},
	address = {New Orleans LA},
	author = {Parshall, C. G. and Kromrey, J. D. and Hogarty, K. Y.}
}
