Research Article Multilevel Effects of Student Qualifications and In-Classroom Variables on Science Achievement

Sidika Akyüz Aru ^* , Mustafa Kale

June 30, 2021 Page 71-96

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Research Article Retrofitting of Polytomous Cognitive Diagnosis and Multidimensional Item Response Theory Models

Levent Yakar ^* , Nuri Doğan , Jimmy De La Torre

June 30, 2021 Page 97-111

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Research Article PISA 2015 Reading Test Item Parameters Across Language Groups: A measurement Invariance Study with Binary Variables

Pelin Bağdu Söyler ^* , Burak Aydın , Hakan Atılgan

June 30, 2021 Page 112-128

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Research Article Investigation of Psychometric Properties of Likert Items with Same Categories Using Polytomous Item Response Theory Models

Esra Sözer ^* , Nilüfer Kahraman

June 30, 2021 Page 129-146

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Research Article Using Generalizability Theory to Investigate the Reliability of Scores Assigned to Students in English Language Examination in Nigeria

Olufunke Akindahunsi ^* , Eyitayo Rufus Ifedayo Afolabı

June 30, 2021 Page 147-162

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Research Article Investigating the Effect of Rater Training on Differential Rater Function in Assessing Academic Writing Skills of Higher Education Students

Mehmet Şata ^* , İsmail Karakaya

June 30, 2021 Page 163-181

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Research Article An Alternative To Likert Scale: Emoji

Abdullah Faruk Kılıç ^* , İbrahim Uysal , Bilal Kalkan

June 30, 2021 Page 182-191

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Research Article The Comparison of the Equated Tests Scores by Using Various Covariates using Bayesian Nonparametric Model

Meltem Yurtçu ^* , Hülya Kelecioğlu , Edward Boone

June 30, 2021 Page 192-211

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Research Article Impact of Retrofitting and Item Ordering on DIF

Lokman Akbay ^*

June 30, 2021 Page 212-225

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