Cognitive task analysis and interface design in a technical troubleshooting domain

摘要

A model of the interface design process is proposed that uses two interdependent levels of cognitive analysis: (a) study of the criterion task through the analysis of expert/novice differences, and (b) evaluation of the working user interface design through the application of practical interface analysis methodology (the GOMS model). This dual analysis is reviewed in the context of HYDRIVE, an intelligent tutoring system that has been designed to facilitate the development of aircraft hydraulics systems troubleshooting skills. Initial cognitive task analyses identified critical troubleshooting skills and procedures. However, even with an initial cognitive task analysis, the GOMS analysis resulted in significant and beneficial design changes.