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Joo, Sean; Ali, Usama; Robin, Frederic; Shin, Hyo Jeong – Large-scale Assessments in Education, 2022
We investigated the potential impact of differential item functioning (DIF) on group-level mean and standard deviation estimates using empirical and simulated data in the context of large-scale assessment. For the empirical investigation, PISA 2018 cognitive domains (Reading, Mathematics, and Science) data were analyzed using Jackknife sampling to…
Descriptors: Test Items, Item Response Theory, Scores, Student Evaluation