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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 -
Constructing validity arguments for test combinations
By Saskia Wools, Theo Eggen, Anton Béguin
Published 24 Nov 2015 -
By Carolyn Ferguson, John Francis
Published 3 Oct 1979