1Masters G N. A Rasch model for partial credit scoring [J]. Psychometrika. 1982,47:149-174.
2Muraki E. A generalized partial credit model: Applica- tion of an EM-algorithm [J]. Applied Psychological Measurement. 1992,16:159.
3Samejima F. Estimation of latent ability using a response pattern of graded scores [J]. Psychometrika Monograph Supplement. 1969,17.
4Maria Orlando Edelen B B R. Applying item response theory (IkT) modeling to questionnaire development, e- valuation, and refinement [[]. Quality of Life Research. 2007,16(1):5-18.
5Stephen S,Fritz D. Applying indeal point IRT models to score single stimulus and pairwise preference personality items. PPT From www.google.com
6漆树青,戴海崎,丁树良.现代教育与心理测学原理.北京:高等教育出版社.2002.144
7James SR,John RD,James EL. The generalized graded unfolding model: A general parametric item response model for unfolding graded response. Educational Testing Service, 1998.19
8漆树青,戴海崎,丁树良.现代教育与心理测学原理.南昌:江西教育出版社.1998.226
9Christine EDeMars. Type I error for generalized graded unfolding model fit indices. Applied Psychological Measurement, 2004,28(1) : 51-54
10James SR,John RD,James EL. A general item response theory model for unfolding unidimensional polytomous responses. Applied Psychological Measurement, 2000,24(1) : 7