Turkish adaptation of Teacher Efficacy Scale

This research was done to adapt `Teacher Efficacy Scale which was developed by Gibson and Dembo in 1984 to measure teachers' efficacy levelsIn the first stage the scale was translated from original English form into Turkish and then its back translation was completed. In this translation and back translation process, different people took part in and a variety of them who were very good at them and qualified in test development and teacher training. After following these completed stages, in accordance with the opinions of experts and critics the original form, the translated and back translated ones were evaluated and necessary adjustments and changes have been made on the items, afterwards the form is ready to be implemented.The population of the research consists of the secondary school teachers of two boroughs of İstanbul; Tuzla and Pendik in the academic year 2011-21012. The sampling group consists of 274 participants.In order to determine the reliability of the internal consistency of the scale, it?s Cronbach?s Alpha was calculated. In addition with these Split-Half Reliability was calculated. For item-total correlations, Pearson Product Moment Correlation Analysis was done and in order to monitor the distinctive characteristics of the items an independent Group `t Test was performed.For validity operations factor analysis was first conducted in order to determine groupings of substances.To sum up, as a result of the analysis 7 items from the original form were to be sorted out after validity and reliability study, the Turkish adaptation of ``Teacher Efficacy Scale consisting of 4 subscales and 23 items within validity, reliability, and with linguistic equivalence was successfully formed.