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