Effects of Various Simulation Conditions on Latent-Trait Estimates: A Simulation Study by Hakan Koğar

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Which scale short form development method is better? A Comparison of ACO, TS, and SCOFA by Hakan Koğar

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Yüksek Lisans Programına Giriste Öğrencilerin Sınıflandırılma Doğruluğunun İncelenmesi: Gazi Üniversitesi Örneği by Hakan KOĞAR, Ayfer SAYIN

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An investigation into the effect of different missing data imputation methods on IRT-based differential item functioning by Hakan Koğar, Fatma Ünal

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The structure of the multidimensional scale of perceived social support: a meta-analytic confirmatory factor analysis by Hakan Koğar, Esin Yılmaz Koğar

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Network analysis of academic achievement and psychological characteristics of secondary school adolescents by Esin Yılmaz Koğar, Ayfer Sayın, Hakan Koğar, Hüseyin Kafes, Güçlü Şekercioğlu

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