TY - CONF T1 - Multidimensional IRT-based adaptive sequential mastery testing T2 - Paper presented at the Annual Meeting of the National Council on Measurement in Education Y1 - 2001 A1 - Vos, H. J. A1 - Glas, C. E. W. JF - Paper presented at the Annual Meeting of the National Council on Measurement in Education CY - Seattle WA ER -