TY - CONF T1 - Constructing rotating item pools for constrained adaptive testing T2 - Paper presented at the Annual meeting of the National Council on Measurement in Education Y1 - 2003 A1 - Ariel, A. A1 - Veldkamp, B. A1 - van der Linden, W. J. JF - Paper presented at the Annual meeting of the National Council on Measurement in Education CY - Chicago IL N1 - {PDF file, 395 KB} ER -