@booklet {1560,
	title = {User{\textquoteright}s guide for SCORIGHT (version 1): A computer program for scoring tests built of testlets (Research Report 01-06)},
	year = {2001},
	note = {$\#$WA01-06 {PDF file, 2.349 MB}},
	address = {Princeton NJ: Educational Testing Service.},
	author = {Wang, X and Bradlow, E. T. and Wainer, H.,}
}
@booklet {1558,
	title = {Users guide for SCORIGHT (version 2) : A computer program for scoring tests built of testlets (Research Report 01-06)},
	year = {2001},
	address = {Princeton NJ: Educational Testing Service.},
	author = {Wang, X and Bradlow, E. T. and Wainer, H.,}
}
@article {488,
	title = {A Bayesian random effects model for testlets },
	journal = {Psychometrika},
	volume = { 64},
	year = {1999},
	pages = {153-168},
	author = {Bradlow, E. T. and Wainer, H., and Wang, X}
}
@booklet {1559,
	title = {A general Bayesian model for testlets: theory and applications (Research Report 92-21; GRE Board Professional Report No 99-01P)},
	year = {1992},
	address = {Princeton NJ: Educational Testing Service.},
	author = {Wang, X and Bradlow, E. T. and Wainer, H.,}
}
