四分之一是一个真分数。

One forth is a proper fraction.

youdao

真分数理论和项目反应理论是心理测验的两大理论模式。

True score theory and item response theory are the two great theoretical patterns of psychological test.

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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.

youdao

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.

youdao