The workshop will start with a review of item response theory, both parametric and non-parametric approaches will be introduced.

课程将从项目反应理论开始，并介绍相关的参数方法和非参数方法。

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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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