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Direct linkHwanggyu Lim; Danqi Zhu; Edison M. Choe; Kyung T. Han – Journal of Educational Measurement, 2024
This study presents a generalized version of the residual differential item functioning (RDIF) detection framework in item response theory, named GRDIF, to analyze differential item functioning (DIF) in multiple groups. The GRDIF framework retains the advantages of the original RDIF framework, such as computational efficiency and ease of…
Descriptors: Item Response Theory, Test Bias, Test Reliability, Test Construction
