THE EFFECT OF INSTRUCTIONAL MEDIA ON PROFESSIONAL DEVELOPMENT IN SARI HIGH SCHOOLS

Abstract

The aim of this research is to find the effect of teaching media on professional improvement of teachers at high schools In second district of sari, in which the influence of teaching media along with their components (ie writing, audio,visual,3D and multimedia)are considered in professional improvement of teachers at high schools. The method used in this research is descriptive, its population is all the high school teachers in 2 nd district of sari but during the research there were 658 teachers. To determine the sample used Morgan and Karjasi table and 242 teachers were chosen randomly. The means of collecting data is questionnaire made by researcher. The permanence of questionnaire is calculated by cronbach’s alpha coefficient was./84.To analyzes the data which have normal distribution the one sample T test is used and the data without normal distribution binomial test is used. The findings have revealed that teaching media have appositive influence on professional improvement of teachers and also have shown that writing media, visual media 3D and multimedia have influence on professional improvement of teachers at high school in second district of Sari but the audio media has no influence on them. Keyword: Media, Education, Professional Development, Teacher