TY - JOUR T1 - Computerized Adaptive Testing With Polytomous Items JF - Applied Psychological Measurement Y1 - 1995 A1 - Dodd, B. G. A1 - De Ayala, R. J. A1 - Koch. W.R., VL - 19 IS - 1 ER - TY - JOUR T1 - A comparison of the partial credit and graded response models in computerized adaptive testing JF - Applied Measurement in Education Y1 - 1992 A1 - De Ayala, R. J. A1 - Dodd, B. G. A1 - Koch, W. R. VL - 5 ER - TY - JOUR T1 - Operational Characteristics of Adaptive Testing Procedures Using the Graded Response Model JF - Applied Psychological Measurement Y1 - 1989 A1 - Dodd, B. G. A1 - Koch, W. R. A1 - De Ayala, R. J. VL - 13 IS - 2 ER -