Research library
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By Alex Scharaschkin
Published 26 Jul 2017 -
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 -
An investigation into the accuracy of A-level predicted grades
By Martin Delap
Published 1 Jun 1994 -
By Mike Cresswell
Published 1 Apr 1994