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Direct linkShafipoor, Mahdieh; Ravand, Hamdollah; Maftoon, Parviz – Language Testing in Asia, 2021
The current study compared the model fit indices, skill mastery probabilities, and classification accuracy of six Diagnostic Classification Models (DCMs): a general model (G-DINA) against five specific models (LLM, RRUM, ACDM, DINA, and DINO). To do so, the response data to the grammar and vocabulary sections of a General English Achievement Test,…
Descriptors: Goodness of Fit, Models, Classification, Grammar
Geramipour, Masoud – Language Testing in Asia, 2021
Rasch testlet and bifactor models are two measurement models that could deal with local item dependency (LID) in assessing the dimensionality of reading comprehension testlets. This study aimed to apply the measurement models to real item response data of the Iranian EFL reading comprehension tests and compare the validity of the bifactor models…
Descriptors: Foreign Countries, Second Language Learning, English (Second Language), Reading Tests
Esfandiari, Mohammad Reza; Riasati, Mohammad Javad; Vaezian, Helia; Rahimi, Forough – Language Testing in Asia, 2018
Background: Validity is a notable concept in language testing which has concerned many researchers and scholars in the field of language testing due to its importance in decision making process. Tests' results always introduce consequences to test takers' lives which emphasizes the need to ensure their validity. Detecting and delineating the…
Descriptors: Computer Assisted Testing, Test Validity, Language Tests, English (Second Language)
