Districts are increasingly making personnel decisions based on teachers' impact on student-achievement gains and classroom observations. In some schools, however, a teacher's practices and their students' achievement may reflect not just individual but collaborative efforts. In other settings, teachers' instruction benefits less from the insights…

School districts and states across the Regional Educational Laboratory Mid-Atlantic Region and the country as a whole have been modifying their teacher evaluation systems to identify more effective and less effective teachers and provide better feedback to improve instructional practice. The new systems typically include components related to…

The correlation between high-inference measures and low-inference observation measures was studied using two groups of social studies student teachers (25 students per group). The high-inference measure for two video-taped lessons was obtained with the 10-item Teacher Performance Appraisal Scale (TPAS), on which pupils rated the lesson on a scale…

This document presents four correlated studies based on (1) the concept of "micro-criteria" which narrows the dimensions of investigating teacher effectiveness through the variable (explaining), the potential correlates (classroom behavior), and the rating of effectiveness (pupil achievement) and (2) data from an initial experiment in…