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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
The reliability of marking of general certificate of secondary education scripts: mathematics and English
By Paul Newton Published 20 Jun 1996