观察分数指的是测某特质时得到的实测分数。 由于测量误差的存在，实际测得的数值往往难以和该特质的真正水平值完全一致，它总会略高于或略低于其真实水平值，某些时候还会严重偏离其真实水平值。当观察分数接近真分数时，就说这次测量的误差较小。
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。
IRT true score equating and IRT observed score equating in common-item non-equivalent group design based on the item response theory were compared.
每一个主体也可以观察其他参与者的猜测和反馈，也可以模仿其他人的猜测如果他认为那样可以获得更高的分数。
Each subject can also observe the guesses and feedback of other participants, and can imitate the guesses of the others if they are observed to score more points.
跟这一起的是，十年来他们观察着抑郁的分数，观察抑郁发作的次数。
Along with this, they looked at depression scores over the ten years, and looked at the number of depressive episodes.
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