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Fortunettes: Feedforward about the Future State of GUI Widgets

Abstract : Feedback is commonly used to explain what happened in an interface. What if questions, on the other hand, remain mostly unanswered. In this paper, we present the concept of enhanced widgets capable of visualizing their future state, which helps users to understand what will happen without committing to an action. We describe two approaches to extend GUI toolkits to support widget-level feedforward, and illustrate the usefulness of widget-level feedforward in a standardized interface to control the weather radar in commercial aircraft. In our evaluation, we found that users require less clicks to achieve tasks and are more confident about their actions when feedforward information was available. These findings suggest that widget-level feedforward is highly suitable in applications the user is unfamiliar with, or when high confidence is desirable.
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Submitted on : Thursday, January 23, 2020 - 10:41:40 AM
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Sven Coppers, Kris Luyten, Davy Vanacken, David Navarre, Philippe Palanque, et al.. Fortunettes: Feedforward about the Future State of GUI Widgets. Proceedings of the ACM on Human-Computer Interaction , Association for Computing Machinery (ACM), 2019, 3 (EICS), pp.20. ⟨10.1145/3331162⟩. ⟨hal-02450988⟩

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