• Publications
  • Influence
Affordances: Clarifying and Evolving a Concept
TLDR
We show that Donald Norman appropriated the concept of affordances from James J. Gibson for the design of common objects and both implicitly and explicitly adjusted the meaning given by Gibson. Expand
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Affordances: Clarifying and Evolving a Concep
TLDR
Donald Norman appropriated the concept of affordances from James J. Gibson for the design of common objects and both implicitly and explicitly adjusted the meaning given by Gibson. Expand
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A comparison of static, adaptive, and adaptable menus
TLDR
We compared the performance (speed and error rate) of three menu designs: static, adaptive, and adaptable. Expand
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Ephemeral adaptation: the use of gradual onset to improve menu selection performance
TLDR
We introduce ephemeral adaptation, a new adaptive GUI technique that improves performance by reducing visual search time while maintaining spatial consistency. Expand
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An evaluation of a multiple interface design solution for bloated software
TLDR
This study examines a novel interface design that addresses the problem of featurism in productivity applications that are used by a diversity of users. Expand
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How Older Adults Learn to Use Mobile Devices: Survey and Field Investigations
TLDR
We study how older adults learn to use mobile devices, their preferences and barriers, in order to find new ways to support them in their learning process. Expand
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Impact of screen size on performance, awareness, and user satisfaction with adaptive graphical user interfaces
TLDR
Adaptive personalization, where the system adapts the interface to a user's needs, has an even larger positive impact on performance and satisfaction when screen real estate is constrained. Expand
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Are We All In the Same "Bloat"?
TLDR
“Bloat”, a term that has existed in the technical community for many years, has recently received attention in the popular press. Expand
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What role can adaptive support play in an adaptable system?
TLDR
We examine what it means for users to engage in effective customization of a menu-based graphical user interface using a process model simulation based on cognitive modelling that generates quantitative predictions of user performance. Expand
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Designing haptic icons to support collaborative turn-taking
TLDR
This paper describes research exploring the use of haptics to support users collaborating remotely in a single-user shared application. Expand
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