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部分信用模型 (PCM / GPCM)

部分信用模型是Rasch测量框架的扩展,专为有序多项项目设计——即响应可以分为两个以上有序类别的项目,例如绩效评估中的部分信用任务或开放式评分标准。该模型由Geoff Masters于1982年提出,后由Eiji Muraki于1992年推广,它为每个项目内相邻类别之间的转换估计一个单独的阈值(步长)参数,从而能够精细地校准每个额外信用级别对潜在特质定位的贡献程度。

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来源

  1. Masters, G. N. (1982). A Rasch model for partial credit scoring. Psychometrika, 47(2), 149–174. DOI: 10.1007/BF02296272
  2. Muraki, E. (1992). A generalized partial credit model: Application of an EM algorithm. Applied Psychological Measurement, 16(2), 159–176. DOI: 10.1177/014662169201600206

如何引用本页

ScholarGate. (2026, June 1). Partial Credit Model. ScholarGate. https://scholargate.app/zh/psychometrics/partial-credit-model

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被引用于

ScholarGatePCM / GPCM (Partial Credit Model). 于 2026-06-15 检索自 https://scholargate.app/zh/psychometrics/partial-credit-model · 数据集: https://doi.org/10.5281/zenodo.20539026