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Direct linkCarmen Mihaela Cretu; Diana Popa – Cogent Education, 2024
Just as we can't expect actors trained primarily for the stage to perform the same way in films, conventional Public Speaking (PS) must adapted to digital environments. This shift emphasizes the need to treat Digital Oratory (DO) as a separate, skill-based discipline. Our research aims to examine DO instruction in English as a Foreign Language…
Descriptors: Public Speaking, Instruction, English (Second Language), Electronic Learning
Karadavut, Tugba; Cohen, Allan S.; Kim, Seock-Ho – Measurement: Interdisciplinary Research and Perspectives, 2020
Mixture Rasch (MixRasch) models conventionally assume normal distributions for latent ability. Previous research has shown that the assumption of normality is often unmet in educational and psychological measurement. When normality is assumed, asymmetry in the actual latent ability distribution has been shown to result in extraction of spurious…
Descriptors: Item Response Theory, Ability, Statistical Distributions, Sample Size
Download full textYen, Wendy M.; Lall, Venessa F.; Monfils, Lora – ETS Research Report Series, 2012
Alternatives to vertical scales are compared for measuring longitudinal academic growth and for producing school-level growth measures. The alternatives examined were empirical cross-grade regression, ordinary least squares and logistic regression, and multilevel models. The student data used for the comparisons were Arabic Grades 4 to 10 in…
Descriptors: Foreign Countries, Scaling, Item Response Theory, Test Interpretation
