Re-Contextualization Teacher's professional development framework based on lessons study - a case study

The general goal of the research was to provide a framework for professional development of teachers based on Lesson Study.
The research design was qualitative and methodology was a collective qualitative case study. An analytical approach in developing framework was based on re-contextualization approach. Potential oarticipants of study included 17 experts of faculty members in Lesson Study, Lesson Study instructurs and teachers who implemented the lesson study have been selected by targeted sampling approach and criteria techniques. Sufficient number of participants was determined on the basis of theoretical saturation. Instrument of collecting qualitative data of study, was semi-structured interview. Validation of qualitative data performed through two measures of credibility and reliability and by using triangulation techniques. According to method of qualitative study used from the content analysis method (including basic, organizing and global themes) by using N-Vivo software.
Findings: The results of study indicate that there are 51 basic themes and 3 organizing themes (knowledge, attitude and skill) in the area framework of professional development of teachers based on Lesson Study approach. According to the framework, Lesson Study courses can be evaluated based on the knowledge, skills and attitudes which acquired by teachers.