TY - CONF T1 - Test information targeting strategies for adaptive multistage testlet designs T2 - Paper presented at the Annual meeting of the National Council on Measurement in Education Y1 - 2003 A1 - Luecht, RM A1 - Burgin, W. L. JF - Paper presented at the Annual meeting of the National Council on Measurement in Education CY - Chicago IL N1 - PDF file, 179 K ER -