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By Lena Gray, William Pointer
Published 1 Sep 2019 -
By Lena Gray, Emma Armitage, Ruth Johnson, Stephen Wooding
Published 1 Aug 2018 -
By Lena Gray, Claire Jackson, Lindsay Simmonds
Published 1 Dec 2015 -
The effect of differential motivation on IRT linking
By Marie-Anne Mittelhaëuser, Anton Béguin, Klaas Sijtsma
Published 1 Sep 2015