@conference {855, title = {A comparison of exposure control procedures in CAT systems based on different measurement models for testlets using the verbal reasoning section of the MCAT}, booktitle = {Paper presented at the Annual meeting of the National Council on Measurement in Education}, year = {2003}, note = {{PDF file, 405 KB}}, address = {Chicago IL}, author = {Boyd, A. M and Dodd, B. G. and Fitzpatrick, S. J.} }