So the cognitive diagnosis under polychotomous scoring model is very meaningful.
因此，研究基于多级评分模型的认知诊断具有重要的意义。
Therefore, the two-parameter logistic model was the best for 2-point scoring model.
因此在采用2级评分模型时双参数模型是最好的。
Therefore, the two-parameter logistic model was the best for 2-point scoring model.
因此在采用2级评分模型时双参数模型是最好的。
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