%0 Journal Article %J Journal of Educational Measurement %D 2002 %T Can examinees use judgments of item difficulty to improve proficiency estimates on computerized adaptive vocabulary tests? %A Vispoel, W. P. %A Clough, S. J. %A Bleiler, T. %A Hendrickson, A. B. %A Ihrig, D. %B Journal of Educational Measurement %V 39 %P 311-330 %G eng