With the continuous deepening of research on teacher professional development,teacher educator,as teacher trainer,is gradually integrated into the discourse system of teacher education research.This paper takes the self-renewal orientation of teacher professional development theory as the analysis framework,and explores"who is the teacher educator"at each development stage.Research shows that in the non-concern stage,primary and sec-ondary school teachers are the potential teacher educators;in the stage of pre-service concerns,college teachers and those who are creditable in primary and secondary schools are teacher educators of normal students;in the stage of concerns about survival,they who have rich experience are the first-time teacher educators;in the stage of task con-cerns,the teacher group in the professional learning community is the teacher educator;and in the stage of self-renewal concerns,the team in the teacher studio is the teacher educator.
primary and secondary school teachersteacher educatorprofessional developmentprofessional development stage
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