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International Journal of…

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Shahmirzadi, Niloufar

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Validation of a Language Center Placement Test: Differential Item Functioning

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Shahmirzadi, Niloufar – International Journal of Language Testing, 2023

The documentation of test takers' achievements has been accomplished through large-scale assessments to find general information about students' language ability. To remove subjectivity, Cognitive Diagnostic Assessment (CDA) has recently played a crucial role in perceiving candidates' latent attribute patterns to find multi-diagnostic information…

Descriptors: Placement Tests, Test Validity, Programming Languages, Diagnostic Tests