Öğretmen Öz yeterlilik Ölçeğinde Değişen Madde Fonksiyonlarının Ağırlıklandırılmış Cevap Modeli ile Belirlenmesi

In this research, whether the Scale of Teachers’ Self Efficacy item and test parameters in sub cultures that derived from the same population have measurement invariance is searched. For this aim, for the data that obtained from the sample, whether the scale provides measurement invariance in gender groups is analyzed. Due to the Likert type scoring of the scale items, Samejima’s Graded Response Model which is one of the item response models and the Parameter Comparison Method are analyzed. Scale was applied to the 626 teacher candidates that attended the Ege University teacher training program during 2012-2013 academic year. Analysis are done separately both with total scores of the scale and sun dimensions’ total scores of the scale and as a result differential item functioning in 7 items is determined.