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Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017 -
By Anne Pinot de Moira, Kate Kelly
Published 14 Feb 2017 -
By Michelle Meadows
Published 13 May 2003 -
Predictive models of question difficulty - A critical review of the literature
By Debra Dhillon
Published 1 Feb 2003