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Koedel, Cory; Betts, Julian R. – National Center on Performance Incentives, 2009
Value-added modeling continues to gain traction as a tool for measuring teacher performance. However, recent research (Rothstein, 2009a, 2009b) questions the validity of the value-added approach by showing that it does not mitigate student teacher sorting bias (its presumed primary benefit). Our study explores this critique in more detail.…
Descriptors: Teacher Effectiveness, Teacher Evaluation, Models, Statistical Bias
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Niemi, David; Wang, Jia; Steinberg, Diane H.; Baker, Eva L.; Wang, Haiwen – Educational Assessment, 2007
Validation of assessments intended to improve instruction and learning should include evidence of instructional sensitivity. This study investigated the instructional sensitivity of a standards-based ninth-grade performance assessment that required students to write an essay about conflict in a literary work. Before administering the assessment,…
Descriptors: Language Arts, Performance Based Assessment, Performance Tests, Literary Criticism