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Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017 -
By Sofia Parkinson, Neil Stringer
Published 5 Nov 2010 -
Item banks and on-demand tests
By Claire Whitehouse
Published 3 Jun 2010 -
Predictive models of question difficulty - A critical review of the literature
By Debra Dhillon
Published 1 Feb 2003