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By Lena Gray, William Pointer
Published 1 Sep 2019 -
Assessing comparability of optional questions
By Elizabeth Harrison
Published 4 Dec 2018 -
Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017 -
A Rasch analysis of the quality of marking of GCSE Science
By William Pointer
Published 5 Nov 2013