@conference {994, title = {A new item selection procedure for mixed item type in computerized classification testing}, booktitle = {Paper presented at the annual meeting of the American Educational Research Association}, year = {2000}, note = {{PDF file, 452 KB}}, address = {New Orleans}, author = {Lau, C. and Wang, T.} } @conference {1242, title = {Essentially unbiased Bayesian estimates in computerized adaptive testing}, booktitle = {Paper presented at the annual meeting of the American Educational Research Association}, year = {1998}, address = {San Diego}, author = {Wang, T. and Lau, C. and Hanson, B. A.} }