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。
Technical services or an equivalent functional group has primary responsibility for documenting the design.
技术服务或相当的职能部门负有设计文档的基本责任。
Technical services or an equivalent functional group has primary responsibility for documenting the design.
技术服务或相当的职能部门负有设计文档的基本责任。
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