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Margarita Pivovarova; Audrey Amrein-Beardsley – Educational Assessment, Evaluation and Accountability, 2024
In this study, we estimated the relationship between two popular measures of teacher effectiveness--teachers' value-added model (VAM) estimates, represented in this study via median growth percentiles (MGPs), and teachers' observational scores, derived from the TAP System for Teacher and Student Advancement. We examined the relationship between…
Descriptors: Teacher Evaluation, Evaluation Methods, Value Added Models, Correlation
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Amrein-Beardsley, Audrey – Educational Assessment, Evaluation and Accountability, 2023
Until recently, legal challenges to using value-added models (VAMs) throughout the United States (US) for high-stakes teacher evaluative decisions (e.g., merit pay, tenure, and termination) were unsuccessful, especially in the state of Florida. Hence, prior and still, multiple teachers throughout Florida have been terminated or involuntarily…
Descriptors: Teacher Dismissal, Case Studies, Court Litigation, Value Added Models
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Levy, Jessica; Brunner, Martin; Keller, Ulrich; Fischbach, Antoine – Educational Assessment, Evaluation and Accountability, 2023
There is no final consensus regarding which covariates should be used (in addition to prior achievement) when estimating value-added (VA) scores to evaluate a school's effectiveness. Therefore, we examined the sensitivity of evaluations of schools' effectiveness in math and language achievement to covariate selection in the applied VA model. Four…
Descriptors: School Effectiveness, Value Added Models, Scores, Elementary School Students