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Predictive models of question difficulty - A critical review of the literature
By Debra Dhillon
Published 1 Feb 2003 -
An investigation into the accuracy of A-level predicted grades
By Martin Delap
Published 1 Jun 1994 -
By Mike Cresswell
Published 1 Apr 1994 -
Question choice in GCE Ordinary Level Chemistry: candidates’ perceptions
By John Francis, Stanley Owen
Published 2 Jun 1978