Investigation of Web Usability Based on the Dialogue Principles

Authors:
Masahiro Watanabe;Shunichi Yonemura;Yoko Asano
Affiliations:
Cyber Solutions Laboratories, Nippon Telegraph and Telephone Corporation, Kanagawa, Japan 239-0847;Cyber Solutions Laboratories, Nippon Telegraph and Telephone Corporation, Kanagawa, Japan 239-0847;Cyber Solutions Laboratories, Nippon Telegraph and Telephone Corporation, Kanagawa, Japan 239-0847
Venue:
HCD 09 Proceedings of the 1st International Conference on Human Centered Design: Held as Part of HCI International 2009
Year:
2009

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Abstract

ISO 9241-110 standard provides user-interface design rules based on 7 dialogue principles. The priority of the principles varies depending on the characteristics of the tasks, the users, and the environments. We observed the behavior of middle-aged and older novice PC users when they performed some Web navigation tasks. We also pointed out some of the problems with usability, as discerned from the observations. We found that among the dialogue principles, self-descriptiveness is the most important. The observed problems, which were associated with the dialogue principles, suggest strategies for the enhancement of Web usability.