@conference {1118,
	title = {A simulated comparison of testlets and a content balancing procedure for an adaptive certification examination},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {1993},
	address = {Atlanta},
	author = {Reshetar, R. A. and Norcini, J. J. and Shea, J. A.}
}
