@conference {880,
	title = {Effects of changes in the examinees{\textquoteright} ability distribution on the exposure control methods in CAT},
	booktitle = {Paper presented at the annual meeting of the American Educational Research Association},
	year = {2001},
	note = {$\#$CH01-02 {PDF file, 695 KB}},
	address = {Seattle WA},
	author = {Chang, S-W. and Twu, B.-Y.}
}
