Browsing Eğitim Fakültesi by Publisher "Bellwether Publishing, Ltd."
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Detecting aberrant response behavior with nonparametric method: mokken and PerFit packages in RStudio
(Bellwether Publishing, Ltd., 2020)In order to reach valid and reliable test scores, various test theories have been developed, and one of them is nonparametric item response theory (NIRT). Mokken Models are the most widely known NIRT models which are useful ... -
Estimation of mixture rasch models from skewed latent ability distributions
(Bellwether Publishing, Ltd., 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 ...