@article {2031,
	title = {Computerized Adaptive Testing With Polytomous Items},
	journal = {Applied Psychological Measurement},
	volume = {19},
	year = {1995},
	pages = {5-22},
	author = {Dodd, B. G. and De Ayala, R. J. and Koch. W.R.,}
}
@article {529,
	title = {A comparison of the partial credit and graded response models in computerized adaptive testing},
	journal = {Applied Measurement in Education},
	volume = {5},
	year = {1992},
	pages = {17-34},
	author = {De Ayala, R. J. and Dodd, B. G. and Koch, W. R.}
}
@article {2017,
	title = {Operational Characteristics of Adaptive Testing Procedures Using the Graded Response Model},
	journal = {Applied Psychological Measurement},
	volume = {13},
	year = {1989},
	pages = {129-143},
	author = {Dodd, B. G. and Koch, W. R. and De Ayala, R. J.}
}
