Abstract
To examine teacher’s growth by home economics lesson study, this research explored how elementary and junior high school teachers evaluate their lesson study experience and what they recognize from the experience regarding subject understanding and class improvement. A survey was conducted in October and November 2015 for five teachers who did a research lesson at a conference of a study group or a university attached school, and data on their responses to questions and interview transcripts were analyzed. As a result, in addition to all teachers getting a change in correspondence to learners, some teachers had been aware of the importance of teaching materials selection and how to use them, and had understood the necessity of the teaching materials to promote thinking. Furthermore, they had acquired a unique view of the subject, such as the need to grasp the scientific view of life. Teachers who have a certain teaching background referred to the motivation and communication of knowledge transfer in lesson study, and nurtured leadership qualities of the subject. On the other hand, schedule adjustment, an increase of overtime work, influence to other classes coming from schedule priority on the research lessons were pointed out, and the necessity for time management were shown.
