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Direct linkZeynep Uzun; Tuncay Ögretmen – Large-scale Assessments in Education, 2025
This study aimed to evaluate the item model fit by equating the forms of the PISA 2018 mathematics subtest with concurrent common items equating in samples from Türkiye, the UK, and Italy. The answers given in mathematics subtest Forms 2, 8, and 12 were used in this context. Analyzes were performed using the Dichotomous Rasch Model in the WINSTEPS…
Descriptors: Item Response Theory, Test Items, Foreign Countries, Mathematics Tests
