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Direct linkRehab AlHakmani; Yanyan Sheng – Large-scale Assessments in Education, 2024
The focus of this study is to use the mixture item response theory (MixIRT) model while implementing the no-U-turn sampler as a technique for investigating the presence of latent classes (i.e., subpopulations) among eighth-grade students who were administered TIMSS 2019 mathematics subtest in paper format from the gulf cooperation council (GCC)…
Descriptors: International Assessment, Item Response Theory, Grade 8, Middle School Students
