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Disaggregate and Adjust Value-added Learning Scores

A tool to disaggregate Scantron, ZipGrade, Quick Key, or Akindi pre- and post-test responses into value-added learning scores (Walstad and Wagner 2016) and adjust them for guessing (Smith and Wagner 2018).

Video Instructions

Latest Release: 1.0.5 (Nov. 12, 2018)