Describes the use of the partial credit form of the Rasch model in the analysis and calibration of a set of writing tasks in which assessment scales and criteria were adapted to suit each task's specific demands. Potential applications of the partial credit model in language testing are discussed. (Author/CB)

Reviews developments in language testing research and practice over the last 20 years, and suggests future directions in the areas of professionalizing the field and validation research. Argues that concerns for ethical conduct must be grounded in valid test use, so that professionalization and validation research are inseparable. (Author/VWL)