Bu araştırma ile PISA-2012 matematik ve fen okuryazarlığı ile okuma becerileri alt testlerinin
dil değişkenine göre ölçme değişmezliğinin incelenmesi amaçlanmıştır. Araştırma tarama …

When measuring academic skills among students whose primary language is not English,
standardized assessments are often provided in languages other than English. The degree …

The purpose of this study is to examine the number of DIF items detected by HGLM at
different sample sizes. Eight different sized data files have been composed. The population …

Hierarchical generalized linear models (HGLMs) have been used to assess differential item
functioning (DIF). For model identification, some literature assumed that the reference …

The current study research showed the nature and potential sources of the gaps in
mathematics achievement between English language learners (ELLs) and non-English …

The usual methodology for detection of differential item functioning (DIF) is to examine
differences among manifest groups formed by such characteristics as gender, ethnicity, age …

This study treated DIF as a random parameter varying over group units and formulated it
following the Generalized Linear Latent and Mixed Model (GLLAMM) and Hierarchical Liner …

The focus of this study is to consider random differential item functioning (DIF) for
polytomous items from a multilevel (3 level) logistic regression perspective. Often, in …

Background. The purpose of this study was to evaluate the effectiveness of two methods of
detecting differential item functioning (DIF) in the presence of multilevel data and …

Özet Bu çalışmanın amacı, 2011 yılı Uluslararası Matematik ve Fen Eğilimleri Araştırması
(TIMSS) Türkiye 8. sınıf örnekleminde, cinsiyete göre fen maddelerinde farklılaşan madde …