...学大纲，由专家编制， 由效度（WALIDITY ）和信度（RELABILTY ）高、 难度（LEVEL OFDIFFIC ULTIES）与区分度（DISCRI MINATION）得试题组成得考试形式简称（N） MET。
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其他与银行一样在区分度上被打零分的产品包括DVD播放机和汽油，这些产品通常是价格驱动的。
Other products that have the dubious distinction of sharing that goose egg with Banks include DVD players and motor oil, commodities for which sales are often price-driven.
条目反应理论认为，每个测验条目有其自身固有的特征，比如难度、区分度等，这些特征与样本无关，也与其它条目无关。
Item Response Theory takes the hypothesis that every test item has its own features such as difficulty, discrimination and others, which are not related to the sample and neither to other items.
最后，本研究考虑了群体成员对内群体与外群体之间的区分度的评估的重要作用。
Finally, the paper also takes into account the degree of association between in-group and out-group evaluations.
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