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。

youdao

The two-parameter logistic model is regarded as a polychotomous test model, and the item parameter and the ability parameter are further estimated with the iteration method.

将两参数逻辑斯蒂模型作为多级评分模型，并用迭代法对项目参数及能力参数进行点估计。

youdao

The two-parameter logistic model is regarded as a polychotomous test model, and the item parameter and the ability parameter are further estimated with the iteration method.

将两参数逻辑斯蒂模型作为多级评分模型，并用迭代法对项目参数及能力参数进行点估计。

youdao