Research library
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It's a long, long time from November to June
By Christopher Wheadon
Published 1 Jun 2009 -
By Christopher Wheadon
Published 1 Jun 2009 -
Principles and practice of on-demand testing
By Christopher Wheadon, Claire Whitehouse, Victoria Spalding, Kate Tremain, Melody Charman
Published 1 Jan 2009 -
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 -
The comparability of onscreen and paper and pencil tests: no further research required?
By Christopher Wheadon
Published 4 Dec 2007 -
By J. A. Petch
Published 1 Sep 1957
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