@book {1726,
	title = {The robustness of the unidimensional 3PL IRT model when applied to two-dimensional data in computerized adaptive testing},
	year = {1999},
	note = {$\#$ZH99-1},
	address = {Unpublished Ph.D. dissertation, State University of New York at Albany},
	author = {Zhao, J. C.}
}
