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Principles of moderation of internal assessment
By Anthony Daly, Lucy Billington, Suzanne Chamberlain, Lesley Meyer, Neil Stringer, Martin Taylor, Kate Tremain Published 13 Oct 2009
Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison Published 5 May 2017
Assessing comparability of optional questions
By Elizabeth Harrison Published 4 Dec 2018