基于分部评分模型思路的多级评分认知诊断模型开发
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高旭亮, 汪大勋, 王芳, 蔡艳, 涂冬波
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Development of a Generalized Cognitive Diagnosis Model for polytomous responses based on Partial Credit Model
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GAO Xuliang, WANG Daxun, WANG Fang, CAI Yan, TU Dongbo
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表4 各种实验条件下被试参数返真性PMR值
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属性个数 | 测验长度 | Q矩阵的类型 | 被试样本容量 | 500 | 1000 | 2000 | 4000 | 5 | 20 | Item-Q | 0.931 | 0.939 | 0.943 | 0.951 | | | Cat-Q | 0.942 | 0.948 | 0.949 | 0.954 | | 40 | Item-Q | 0.991 | 0.993 | 0.995 | 0.996 | | | Cat-Q | 0.995 | 0.996 | 0.998 | 0.998 | 7 | 25 | Item-Q | 0.818 | 0.827 | 0.852 | 0.858 | | | Cat-Q | 0.864 | 0.866 | 0.868 | 0.872 | | 50 | Item-Q | 0.977 | 0.979 | 0.981 | 0.986 | | | Cat-Q | 0.985 | 0.987 | 0.989 | 0.991 |
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