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Download full textSoysal, Sumeyra; Yilmaz Kogar, Esin – International Journal of Assessment Tools in Education, 2021
In this study, whether item position effects lead to DIF in the condition where different test booklets are used was investigated. To do this the methods of Lord's chi-square and Raju's unsigned area with the 3PL model under with and without item purification were used. When the performance of the methods was compared, it was revealed that…
Descriptors: Item Response Theory, Test Bias, Test Items, Comparative Analysis
