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By Christopher Wheadon, Anton Béguin
Published 3 Aug 2010 -
The effect of sample size on item parameter estimation for the partial credit model
By Qingping He, Christopher Wheadon
Published 11 Dec 2008 -
Challenging minds? Students' perceptions of computer-based World Class Tests of problem solving
By Mary Richardson, Jo-Anne Baird, Jim Ridgway, Martin Ripley, Diane Shorrocks-Taylor, Malcolm Swan
Published 1 Nov 2002