IRT true score equating and IRT observed score equating in common-item non-equivalent group design based on the item response theory were compared.

研究采用锚测验非等组设计，对IRT真分数等值和IRT观察分数等值两种方法进行了比较研究。

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It converts the scores of the given testees' population on test form X into that of the observed score distribution on test form Y, so it is an observed score equating method.

核等值法通过转换给定考生总体在X卷上的观察分分布，得到Y卷上的观察分分布，因此其本质是观察分等值。

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As Forbes has observed, companies that consistently score at the top in terms of EVA Momentum (the change in economic profit as a percentage of trailing sales) also tend to produce outsize returns for shareholders.

FORBES: Cephalon, KLA-Tencor Stand Out Among Top Profitability Performers

However, this could merely be a statistical fluke that results from the fact that to date only a few score of Higgs candidate events have been observed amongst billions of particle collisions.

CNN: Higgs and the holy grail of physics