Research library
Refine
-
Assessing comparability of optional questions
By Elizabeth Harrison
Published 4 Dec 2018 -
Difficulty plots: DIF analysis without the partial credit model
By Elizabeth Harrison
Published 5 May 2017 -
An Experimental Examination in General Studies
By R. A. C. Oliver
Published 1 Dec 1955 -
A General Paper in the General Certificate of Education Examination
By R. A. C. Oliver
Published 1 Jul 1954