Computer Science – Human-Computer Interaction
Scientific paper
2003-12-08
Computer Science
Human-Computer Interaction
Introduces out-of-turn interaction with websites: a technique which sustains, rather than curbs, the user-system dialog
Scientific paper
We present the first study to explore the use of out-of-turn interaction in websites. Out-of-turn interaction is a technique which empowers the user to supply unsolicited information while browsing. This approach helps flexibly bridge any mental mismatch between the user and the website, in a manner fundamentally different from faceted browsing and site-specific search tools. We built a user interface (Extempore) which accepts out-of-turn input via voice or text; and employed it in a US congressional website, to determine if users utilize out-of-turn interaction for information-finding tasks, and their rationale for doing so. The results indicate that users are adept at discerning when out-of-turn interaction is necessary in a particular task, and actively interleaved it with browsing. However, users found cascading information across information-finding subtasks challenging. Therefore, this work not only improves our understanding of out-of-turn interaction, but also suggests further opportunities to enrich browsing experiences for users.
Perez-Quinones Manuel A.
Perugini Saverio
Pinney Mary E.
Ramakrishnan Naren
Rosson Mary Beth
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