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Assessing comparability of optional questions
By Elizabeth Harrison
Published 4 Dec 2018 -
Setting examination standards: A global perspective
By Lena Gray
Published 1 Oct 2018 -
By Lena Gray, Emma Armitage, Ruth Johnson, Stephen Wooding
Published 1 Aug 2018 -
Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017