User evaluation of the MASK kiosk

Authors:
L. Lamel;S. Bennacef;J. L. Gauvain;H. Dartigues;J. N. Temem
Affiliations:
LIMSI-CNRS, BP 133, 91403 Orsay Cedex, France;LIMSI-CNRS, BP 133, 91403 Orsay Cedex, France;LIMSI-CNRS, BP 133, 91403 Orsay Cedex, France;SNCF, Direction de la Recherche et de la Technologie, 45, rue de Londres, 75379 Paris, France;SNCF, Direction de la Recherche et de la Technologie, 45, rue de Londres, 75379 Paris, France
Venue:
Speech Communication
Year:
2002

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Abstract

In this paper we report on a series of user trials carried out to assess the performance and usability of the Multimodal Multimedia Service Kiosk (MASK) prototype. The aim of the ESPRIT MASK project was to pave the way for advanced public service applications with user interfaces employing multimodal, multimedia input and output. The prototype kiosk was developed after analyzing the technological requirements in the context of users performing travel enquiry tasks, in close collaboration with the French Railways (SNCF) and the Ergonomics group at the University College of London (UCL). The time to complete the transaction with the MASK kiosk is reduced by about 30% compared to that required for the standard kiosk, and the transaction success rate is 85% for novices and 94% once familiar with the system. In addition to meeting or exceeding the performance goals set at the project onset in terms of success rate, transaction time, and user satisfaction, the MASK kiosk was judged to be user-friendly and simple to use.