ABSTRACT Teacher professional development, in particular, has been at the center of efforts designed to increase teaching practice and the learning of students. The aim of the study was to investigate the effect of the ‘teacher-led PD for teachers’ program, developed by the researchers, on students’ achievements. The study was conducted with six high school physics teachers and 306 students in Turkey. The professional development intervention lasted for seven weeks, and teachers had 21 hours of professional development regarding modern physics at high school level. The results of ANCOVA showed that there was a significant effect of the teacher-led PD for teachers program on students’ achievements. The successful implementation indicated that the teacher-led PD for teachers program possesses effective characteristics of professional development and can improve student achievement.

中文翻译：

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“教师主导的PD教师专业发展计划对学生成绩的影响：一项实验研究

摘要特别是教师专业发展一直是旨在增加教学实践和学生学习的努力的中心。该研究的目的是研究由研究人员开发的“教师主导的PD教师计划”对学生成绩的影响。这项研究是由土耳其的六名高中物理老师和306名学生进行的。专业发展干预持续了七个星期，高中阶段教师对现代物理进行了21个小时的专业发展。ANCOVA的结果表明，由教师主导的PD对教师计划的影响显着。