A robust grade adjustment procedure

Andrew Barry, Dong-Sheng Jeng, Robin Wardlaw, Simon Daniel Smith, Martin Crapper

Research output: Contribution to journalArticlepeer-review

Abstract

Assurance of equity in student outcomes includes ensuring that module results are comparable within reasonable bounds. We present a procedure that first compares (and adjusts if necessary) module variances. Then, student results are individually normalised to standard variates. A simple sign test is used to identify modules with disproportionately good or poor results. Module results are offset so as to adjust averages that do deviate. A detailed examination of an artificial data set shows that the proposed very simple procedure yields results that agree with a sophisticated statistical analysis.
Original languageEnglish
Pages (from-to)820-833
JournalInternational Journal of Engineering Education
Volume20
Issue number5
Publication statusPublished - 2004

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