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The effect of differential motivation on IRT linking
By Marie-Anne Mittelhaëuser, Anton Béguin, Klaas Sijtsma Published 1 Sep 2015
Teachers' estimates of candidates' grades: Curriculum 2000 Advanced Level Qualifications
By Debra Dhillon Published 19 Oct 2010
Predictive models of question difficulty - A critical review of the literature
By Debra Dhillon Published 1 Feb 2003