TY - CONF T1 - A Bayesian approach to detection of item preknowledge in a CAT T2 - Paper presented at the annual meeting of the National Council on Measurement in Education Y1 - 1998 A1 - McLeod, L. D. A1 - Lewis, C. JF - Paper presented at the annual meeting of the National Council on Measurement in Education CY - San Diego CA ER -