TY - Generic T1 - A model for testing with multidimensional items T2 - Proceedings of the 1977 Computerized Adaptive Testing Conference Y1 - 1978 A1 - Sympson, J. B. JF - Proceedings of the 1977 Computerized Adaptive Testing Conference PB - University of Minnesota, Department of Psychology, Psychometrics Methods Program CY - Minneapolis, MN. USA ER -