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Sarallah Jafaripour; Omid Tabatabaei; Hadi Salehi; Hossein Vahid Dastjerdi – International Journal of Language Testing, 2024
The purpose of this study was to examine gender and discipline-based Differential Item Functioning (DIF) and Differential Distractor Functioning (DDF) on the Islamic Azad University English Proficiency Test (IAUEPT). The study evaluated DIF and DDF across genders and disciplines using the Rasch model. To conduct DIF and DDF analysis, the examinees…
Descriptors: Item Response Theory, Test Items, Language Tests, Language Proficiency
Enright, Mary K.; Oltman, Philip K. – 1996
Multidimensional scaling and cluster analysis were used to describe and categorize tasks from six graduate disciplines including academic psychology, applied psychology, English literature, journalism, physics, and electrical engineering. A sample of task descriptions was constructed through interviews with four or five graduate students from each…
Descriptors: Cluster Analysis, Graduate Students, Graduate Study, Higher Education