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Assessing comparability of optional questions
By Elizabeth Harrison
Published 4 Dec 2018 -
Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017 -
Item banks and on-demand tests
By Claire Whitehouse
Published 3 Jun 2010 -
Case studies in summative assessment: an investigation
By Claire Whitehouse
Published 10 Nov 2009