%0 Conference Paper %B Paper presented at the annual meeting of the American Educational Research Association %D 2001 %T Effects of changes in the examinees’ ability distribution on the exposure control methods in CAT %A Chang, S-W. %A Twu, B.-Y. %B Paper presented at the annual meeting of the American Educational Research Association %C Seattle WA %0 Generic %D 1998 %T A comparative study of item exposure control methods in computerized adaptive testing %A Chang, S-W. %A Twu, B.-Y. %C Research Report Series 98-3, Iowa City: American College Testing. %G eng