@conference {1172, title = {Maintaining scale in computer adaptive testing}, booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education}, year = {2003}, note = {{PDF file, 367 KB}}, address = {Chicago IL}, author = {Smith, R. L. and Rizavi, S. and Paez, R. and Damiano, M. and Herbert, E.} } @conference {1171, title = {Updated item parameter estimates using sparse CAT data}, booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education}, year = {2002}, note = {{PDF file, 986 KB}}, address = {New Orleans LA}, author = {Smith, R. L. and Rizavi, S. and Paez, R. and Rotou, O.} }