%0 Conference Paper %B Paper presented at the Annual meeting of the National Council on Measurement in Education %D 2003 %T A comparison of exposure control procedures in CAT systems based on different measurement models for testlets using the verbal reasoning section of the MCAT %A Boyd, A. M %A Dodd, B. G. %A Fitzpatrick, S. J. %B Paper presented at the Annual meeting of the National Council on Measurement in Education %C Chicago IL %G eng