Hox, J.J.; Bechger, T.M.; Wittenboer, G.L.H. van den; Glopper, C. de
(1999) Educational Measurement: Issues and Practice, volume 18, issue 3, pp. 18 - 26
(Article)
Abstract
What are the conditions that will allow for appropriate comparisons among groups" Should the concept of comparative validity be added to the lexicon of the psychometrician" show less