In Touch with Representation: Iconic, Indexical and Symbolic Signification in Tangible User Interfaces
نویسنده
چکیده
In this paper, we discuss the value of semiotics to inquire tangible user interfaces (TUI) in humancomputer interaction (HCI). Drawing on Peirce’s three types of representation – icon, index, and symbol (Peirce, Houser, & Kloesel, 1998) – we analyze signification processes in the design of tangible UIs. As a case study, we draw on several prototypical interfaces and analyze their semiotic structure. We focus specifically on three different significations for a similar application on a mobile phone: Displaying a new event on a mobile phone (e.g. an unread text message or a missed incoming call). The aim is to establish a basis in semiotics for TUIs that can inform the mapping between physical and virtual parameters. Taking semiotics as basis can help to enhance interface design as the interface ‘specifies the optimal set of signs for the interaction between two entities’ (Nadin, 1988, p. 273).
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Reflections about Symbolic vs. Iconic Representations in TUIs
Currently designed Tangible User Interfaces (TUIs) propose both iconic and symbolic tangible objects (TO). Since iconic TOs should enable to interact more naturally like in the real world and, hypothetically, require less learning time than symbolic TOs, some questions arise: Why do symbolic TOs exist? When to use iconic or symbolic representation in TOs? This paper discusses these questions an...
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