A SCALE DEVELOPMENT STUDY ABOUT SCHOOL PRINCIPALS' CONTRIBUTION TO PROFESSIONAL DEVELOPMENT OF TEACHERS
Abstract
The purpose of this study is to develop valid and reliable
Likert-Type scale which can be used to measure principals’ contribution to
professional development of teachers. We live in a world where every penny has
importance for education. So professional development of teachers is popular
topic in many developed countries. With this study a sclae has been developed
which reveals school principals’ contribution to Professional development of
teachers and study was conducted in Duzce one of the province of Turkey located
in West Blacksea Region. Teachers who employed in National Educational
Directorate of Duzce selected as the sample group of study. After first
administration and result of exploratory factor analysis, a three-factor scale
was created which has 28 items. KMO test result of scale was .979 that is above
of the acceptable limit .70. Bartlett’s test of sphericity result was p
=0.000< .01 and it is significant at level of .01. Scale has three factors
above than 1.00 Eigen value. These three factors explain 72.9 % of the total
variance. Cronbach's Alpha result was calculated as .986 and Spearman-Brown
test-half test results were calculated as .966. After the second
administration, Confirmatory Factor Analysis was performed and three-factor
structure was confirmed.
Keywords
Teacher,professional development,contribution,school principal,scale development
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