Increasing Accessibility with a Visual Sign System: A Case Study

Abstract

Visual sign systems have become an essential means of communication in places where large numbers of people of different nationalities gather, such as at international airports and the Olympic Games. That they can effectively increase accessibility among users not necessarily sharing a common language speaks to their potential usefulness in other situations. A homeless shelter in a western North Carolina community received funding to build a new facility. With the clientele's widely diverse communication abilities, including those who are illiterate or have limited reading skills, those who are non-native speakers knowing little to no English, and those who are coming from different cultural contexts, a visual sign system was designed to facilitate navigation for all visitors. Using Peirce's theory of signs, Neurath's ISOTYPE, and the least action principle borrowed from physics as a framework, this case study shows how the signs were designed and usability tested to ensure increased accessibility.

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