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Sekercioglu, Güçlü; Kogar, Hakan – Novitas-ROYAL (Research on Youth and Language), 2018
The aim of the present study was to examine the measurement invariance (MI) of the reading, mathematics, and science tests in terms of the commonly used languages. It also aimed to examine the differential item functioning (DIF) of the PISA test, the original items of which are in the languages of English and French, in terms of the language…
Descriptors: Error of Measurement, Item Response Theory, International Assessment, Achievement Tests