@conference {1160,
	title = {An investigation of procedures for estimating error indexes in proficiency estimation in CAT},
	booktitle = {Paper presented at the annual meeting of the American Educational Research Association},
	year = {2002},
	address = {New Orleans LA},
	author = {Shyu, C.-Y. and Fan, M. and Thompson, T, and Hsu, Y.}
}
