Research library
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By Anne Pinot de Moira, Kate Kelly
Published 14 Feb 2017 -
A General Paper in the General Certificate of Education Examination
By R. A. C. Oliver
Published 1 Jul 1954 -
Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017 -
By Alex Scharaschkin
Published 26 Jul 2017