Distributed usability evaluation

摘要: We present DUE (Distributed Usability Evaluation), a technique for collecting and evaluating usability data. The infrastructure involves client-server network. A client-based tool resides on the workstation of each user, providing screen video recording, microphone input voice commentary, window severity rating. idea is user to work naturalistically, clicking button when problem or point uncertainty encountered, describe it verbally along with illustrating screen, rate its severity. These incidents are accumulated server, access an evaluator (usability expert) product developers managers who want review analyse them. supports evaluation in development stages from running prototypes onwards. case study use corporate environment presented. indicates that effective terms low bias, high efficiency, clear communication issues among users, evaluators developers. Further, supporting long-term evaluations making possible empirical studies learnability.