This research takes an analyst-centred approach to improving Usability Inspection Methods. The research approach adopts novel instruments and methods, especially manipulation and monitoring of analyst's knowledge resources during usability inspection. The research aims to develop and validate a predictive model of analyst performance that supports improvement of usability inspection, resulting in a positive impact on design quality. Author Keywords Usability inspection methods, heuristic evaluation, user testing, DARe model ACM Classification Keywords ACM: H.5.2 ? User Interfaces