@article {2117, title = {Stratified and maximum information item selection procedures in computer adaptive testing}, journal = {Journal of Educational Measurement}, volume = {47}, year = {2010}, pages = {202-226}, author = {Deng, H. and Ansley, T. and Chang, H.-H.} } @conference {904, title = {To stratify or not: An investigation of CAT item selection procedures under practical constraints}, booktitle = {Paper presented at the Annual meeting of the National Council on Measurement in Education}, year = {2003}, note = {{PDF file, 186 KB}}, address = {Chicago IL}, author = {Deng, H. and Ansley, T.} }