@conference {1085,
	title = {Sufficient simplicity or comprehensive complexity? A comparison of probabilitic and stratification methods of exposure control},
	booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education},
	year = {2000},
	address = {New Orleans LA},
	author = {Parshall, C. G. and Kromrey, J. D. and Hogarty, K. Y.}
}
