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35.043 - Toward Improvement of Teacher Evaluations: Methodological and Substantive Issues

Fri, April 17, 4:05 to 6:05pm, Marriott, Floor: Fifth Level, Denver/Houston

Session Type: Symposium

Abstract

A consensus has developed that a high-quality teacher evaluation system requires the use of multiple measures; not just value-added scores. Yet, state and district leaders currently lack sufficient evidence and guidance on how multiple-measure approaches would work on a practical level (Ledesma, 2011). This symposium will review methodological issues related to value-added models (VAM) and alternative measures of teacher effectiveness, such as sensitivity to non-random sorting of students to teachers (Rothstein, 2009) and unstable correlations across various teacher quality measures (Grossman et al, 2013). Using empirical evaluation data, presenters will explore innovative approaches for understanding the limitations of VAMs, enhancing the validity and reliability of multiple-measure models, and seeing how various contextual factors influence teacher quality and student achievement growth.

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