Rating scale development in the field of language assessment is often considered in dichotomous ways: It is assumed to be guided either by expert intuition or by drawing on performance data. Even though quite a few authors have argued that rating scale development is rarely so easily classifiable, this dyadic view has dominated language testing…

Argument-based validation requires test developers and researchers to specify what is entailed in test interpretation and use. Doing so has been shown to yield advantages (Chapelle, Enright, & Jamieson, 2010), but it also requires an analysis of how the concerns of language testers can be conceptualized in the terms used to construct a…

Since its inception in 1990, the Language Testing Research Centre (LTRC) at the University of Melbourne has earned an international reputation for its work in the areas of language assessment and testing as well as program evaluation. The mission of the centre is: (1) to carry out and promote research and development in language testing; (2) to…

This paper examines the uptake of Rasch measurement in language testing through a consideration of research published in language testing research journals in the period 1984 to 2009. Following the publication of the first papers on this topic, exploring the potential of the simple Rasch model for the analysis of dichotomous language test data, a…