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本文将IRT常用资料-模型拟合检验统计量χ2和G2引入认知诊断领域,具体讨论了这两个统计量在认知诊断资料-模型拟合检验的可行性及其侦查效果,为研究者及实际应用者在认知诊断资料模型拟合检验中提供借鉴及方法学支持。
In this paper, the common data of IRT-model fitting test χ2 and G2 are introduced into the field of cognitive diagnosis, and the feasibility and the detection results of these two statistics in the cognitive diagnosis data-model fitting test are discussed in detail. And practical applications in the cognitive diagnosis data model fitting test to provide reference and methodological support.