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Week 12 - Marking Consistency
17 Nov 2012
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Consistency and validity in marking improves student confidence in faculty and staff. Rubrics, assessment marking criteria and emphasising learning outcomes are central to ensuring consistent and fair marking. While students may appear to value consistency in marking, there is some thought that inconsistency may be a good thing.

"There have been many studies highlighting inconsistencies across markers (Bloxham,2009), but perhaps you should be more concerned about consistency. When John Garryet al. (2005) compared the marks awarded for 11 essays, they found that ‘second markers’(who knew the original mark) generally awarded the same or similar marks (within 3percentage points), whereas independent markers varied quite significantly: for five of the 11 essays the difference was 9 percentage points or greater. The reason for these results? Well, to put it simply, we have a tendency to ‘adjust’ and ‘anchor’ our judgement about something based on a prior judgement, such as the mark awarded by thefirst marker… (Though they also point out that it may simply be ‘easier’ to agree thandisagree…"  http://www.sagepub.com/upm-data/39890_9781849202039.pdf (viewed 17th November, 2012)

Image sourced from http://www.timeshighereducation.co.uk/story.asp?storycode=415209 (viewed 17th November, 2012)

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