A method for evaluating software communicability.

Clarisse S. de SouzaRaquel Oliveira PratesSimone D. J. Barbosa

Computer tools are rational artifacts determined by the cultural background of designers and users. Communicating design assumptions, choices, and goals is a complex task, subject to constant misunderstandings that lead to a wide spectrum of breakdowns in human-computer interaction. This paper presents a method to help HCI practitioners evaluate the communicability of interactive systems, not only in terms of the effectiveness of their direct messages to users but also of the afforded conversational paths that should allow breakdowns to be circumvented. The whole proposal is tied to a semiotic background within which systems are like "discourse deputies" of their designers.

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