TY - CONF T1 - Pretesting alongside an operational CAT T2 - Paper presented at the annual meeting of the National Council on Measurement in Education Y1 - 1999 A1 - Davey, T. A1 - Pommerich, M A1 - Thompson, D. T. JF - Paper presented at the annual meeting of the National Council on Measurement in Education CY - Montreal, Canada ER -