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By Lena Gray, William Pointer
Published 1 Sep 2019 -
The effect of sample size on item parameter estimation for the partial credit model
By Qingping He, Christopher Wheadon
Published 11 Dec 2008 -
Item banking with a test construction interface: An evaluation of a prototype
By Claire Whitehouse, Qingping He, Christopher Wheadon
Published 17 Nov 2008 -
Maintaining standards in UK high-stakes examinations using test equating
By Christopher Wheadon
Published 13 May 2008