Results from a sample of 1,013 Georgia principals who rated 12,617 teachers are used to compare holistic and analytic principal judgments with indicators of student growth central to the state's teacher evaluation system. Holistic principal judgments were compared to mean student growth percentiles (MGPs) and analytic judgments from a formal…

This study was undertaken to assess the accuracy of principals' judgments of the effectiveness of the teachers they supervise. Each of 46 principals was asked to fill out a brief form judging the overall effectiveness of each of the teachers in his or her school. The form asked how effective the teacher was in performing three roles: (1) promoting…