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Yıl:2008; Cilt: 28; Sayı: >> Özet
TAM METİN
Psikoloji Çalışmaları; 2008;28():35-54
Güvenirliğin Değerlendirilmesinde Genellenebilirlik Kuramının Kullanılması: Endüstri ve Örgüt Psikolojisinde bir Uygulama
A Yelboğa
Bu araştırmada endüstri psikolojisinde yapılan bir ölçme işleminde genellenebilirlik kuramının kullanılabilirliği değerlendirilmiştir, denetlenebilirlik Kuramı kullanılarak, potansiyel hata kaynakları tanımlanabilir ve değerlendirilebilir. Geııellenebilirlik kuramı, bütün hata kaynaklarını birlikte değerlendiren ve ölçmenin güvenirliğini belirlenmesini sağlayan güçlü bir araçtır. G kuranımda, Geııellenebilirlik (G) ve Karar (K) çalışmaları olarak iki tür çalışma bulunmaktadır. G çalışmaları, ölçme hatalarını belirli değişkenlik kaynaklarına ayırmak için düzenlenirken, K çalışmasında, G çalışmasından elde edilen bilgileri kullanarak belli bir amaçla yapılan ölçmedeki hataları en aza indirmenin yolları aranır. Bu çalışmada farklı ve çok kaynaklı bir ölçme durumunda, G ve Phi katsayılarının elde edilmesi gösterilmiş, G katsayısı 0,867 ve Phi katsayısı 0,793 olarak bulunmuştur.
The Assessment of Reliability With Generalizabiiity Theory: An Application in Industrial and OrganizationalPsychology
The objective of this study was to examine the potential use of the generalizability theory for assessing reliability of measurement In industry psychology. Using generalizahility theory, potential sources of measurement error can be recognized and estimated. Generalizability theory is a poweiful tool for estimating the magnitude of multiple sources of measurement error and for assessing the reliability of measurements. Generalizability theory considers two types of studies: generalizability (G) studies and decision (D) studies. G studies are desing to estimate as many sources of error as possible, while D studies obtain measurements for a particular purpose. The use of generalizability theory by obtaining G coefficients for norm referenced assessment and Phi coefficients for criterion referenced assessment has been demonstrated through an application in this study, as a measurement case possessing various and multiple sources of error. In this application, the G coefficient for measurement is 0,867 and the Phi coefficient 0,793.

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