v 2.2

A command line tool to disaggregate Scantron or ZipGrade pre- and post-test responses into Walstad and Wagner learning types (Walstad and Wagner 2016) and adjusts them for guessing (Smith and Wagner 2017).

In the Spring of 2016, Walstad and Wagner released a paper suggesting that the pretest/posttest delta is insufficient in assessing learning outcomes. However, performing such a disaggregation is time intensive, especially if the questions appear in a different location (or order) on the pre and post test. WW_out is a command line tool that makes this disaggregation easy. It uses four CSV files to generate outcomes by question and student.


To install WW, paste this in macOS terminal after installing MacPorts

sudo port install WW

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