“…Given the fact that assessment is essential for effective instruction is so obvious, it is all the more surprising that developments in the fields of learning, on the one hand, and assessment, on the other hand, have, for most of the period they have been foci of scholarly study, proceeded relatively independently of each other (Wiliam, ). They have, in the words of Baird, Andrich, Hopfenbeck, and Stobart (), been “fields apart.”…”