Objective To explore the differences between CTT and IRT in ability parameter estimation and its effects on predictive validity of job performance.
目的探讨CTT与IRT对被试能力参数估计的差异以及对绩效预测性的影响。
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。
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。
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