%0 Generic %D 1998 %T Development and evaluation of online calibration procedures (TCN 96-216) %A Levine, M. L. %A Williams. %C Champaign IL: Algorithm Design and Measurement Services, Inc %G eng %0 Conference Paper %B Paper presented at the annual meeting of the National Council on Measurement in Education %D 1997 %T Maintaining a CAT item pool with operational data %A Levine, M. L. %A Segall, D. O. %A Williams, B. A. %B Paper presented at the annual meeting of the National Council on Measurement in Education %C Chicago IL %G eng