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DifferentialDifferential item functioning|( item functioning (DIF) is a well known problem in item response theory. It occurs if the probability of a correct response among equally able persons differs in subgroups, for example, if the difficulty of an item depends on the membership to a racial, ethnic or gender subgroup.

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Differential Item Functioning

  • 章节

  • 发表日期：

    2025年

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  • Gerhard Tutz

摘要

DifferentialDifferential item functioning|( item functioning (DIF) is a well known problem in item response theory. It occurs if the probability of a correct response among equally able persons differs in subgroups, for example, if the difficulty of an item depends on the membership to a racial, ethnic or gender subgroup.