In large scale standardized tests, the test scores, before release, have to undergo a series of transformation processes, including score weighting, score equating, and score normalization, etc.
为了使分数带有大量信息，便于用户使用，大规模标准化考试在最终报道考试成绩前，分数要经过加权处理、等值处理、正态化转换等一系列转换过程。
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。
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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