Classroom Observation Significantly Influenced by Context


“Despite the intense focus on the use of student test scores to gauge teacher performance, the majority of our nation’s teachers receive annual evaluation ratings based primarily on classroom observations (Steinberg & Donaldson, in press). These observation-based performance measures aim to capture teachers’ instructional practice and their ability to structure and maintain high-functioning classroom environments. However, little is known about the ways that classroom context—the settings in which teachers work and the students that they teach—shapes measures of teacher effectiveness based on classroom observations. Given the widespread adoption of high-stakes evaluation systems that rely heavily on classroom observations, it is critical that we have a clearer understanding of how the composition of teachers’ classrooms influences their observation scores.

. . . We find that teacher performance, based on classroom observation, is significantly influenced by the context in which teachers work. In particular, students’ prior year (i.e., incoming) achievement is positively related to a teacher’s measured performance captured by the FFT.” [Bold added]

—Matthew Steinberg, University of Pennsylvania and Rachel Garrett, American Institutes for Research, “Panel Paper: Classroom Context and Measured Teacher Performance: What Do Teacher Observation Scores Really Measure?

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