About
Senior Associate, National Center for the Improvement of Educational Assessment
Damian Betebenner is a Senior Associate at the National Center for the Improvement of Educational Assessment (the Center for Assessment). He developed the student growth percentile (SGP) methodology and maintains the open-source SGP R package, which states use to calculate and report student growth. His work with state education agencies spans growth and accountability systems, technical advisory committees, and the reporting of results to educators and the public.
This site
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