%0 Conference Paper %B Paper presented at the annual meeting of the National Council on Measurement in Education %D 2003 %T Recalibration of IRT item parameters in CAT: Sparse data matrices and missing data treatments %A Harmes, J. C. %A Parshall, C. G. %A Kromrey, J. D. %B Paper presented at the annual meeting of the National Council on Measurement in Education %C Chicago IL %G eng %0 Conference Paper %B Paper presented at the annual meeting of the National Council on Measurement in Education %D 2001 %T Nearest neighbors, simple strata, and probabilistic parameters: An empirical comparison of methods for item exposure control in CATs %A Parshall, C. G. %A Kromrey, J. D. %A Harmes, J. C. %A Sentovich, C. %B Paper presented at the annual meeting of the National Council on Measurement in Education %C Seattle WA %G eng %0 Generic %D 2001 %T 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data conditions in a computerized adaptive version of the MCAT %A Harmes, J. C. %A Kromrey, J. D. %A Parshall, C. G. %C Unpublished manuscript %G eng %0 Journal Article %J Florida Journal of Educational Research %D 2000 %T Item exposure control in computer-adaptive testing: The use of freezing to augment stratification %A Parshall, C. %A Harmes, J. C. %A Kromrey, J. D. %B Florida Journal of Educational Research %V 40 %P 28-52 %G eng %0 Conference Paper %B Paper presented at the annual meeting of the National Council on Measurement in Education %D 2000 %T Sufficient simplicity or comprehensive complexity? A comparison of probabilitic and stratification methods of exposure control %A Parshall, C. G. %A Kromrey, J. D. %A Hogarty, K. Y. %B Paper presented at the annual meeting of the National Council on Measurement in Education %C New Orleans LA %G eng