Foundations of Observation: Considerations for Developing a Classroom Observation System that Helps Districts Achieve Consistent and Accurate Scores | June 2013

This paper, written by members of the ETS team that built the MET project’s observation scoring system, offers guidance to school system leaders on the elements of observer training and assessment that can produce accurate and reliable results for teachers. Briefs and research reports on the MET project’s analyses of classroom observation instruments, and of other measures of teaching, may be found at