• Publications
  • Influence
"Like Having a Really Bad PA": The Gulf between User Expectation and Experience of Conversational Agents
This paper reports the findings of interviews with 14 users of CAs in an effort to understand the current interactional factors affecting everyday use, and finds user expectations dramatically out of step with the operation of the systems.
Design for Privacy in Ubiquitous Computing Environments
A framework for design for privacy in ubiquitous computing environments is described and an example of its application is described, with a description of how the technology attenuates natural mechanisms of feedback and control over information released.
A comparison of reading paper and on-line documents
A laboratory study that compares reading from paper to reading on-line finds critical differences that allow readers to deepen their understanding of the text, extract a sense of its structure, create a plan for writing, cross-refer to other documents, and interleave reading and writing.
The myth of the paperless office
A composite lamp having relatively high efficacy and improved color richness and warmth. The lamp is comprised of a mercury or a metal halide lamp and a tungsten halogen lamp which are located in a
Remote Conversations: The Effects of Mediating Talk With Technology
  • A. Sellen
  • Psychology
    Hum. Comput. Interact.
  • 1 December 1995
Analysis of participants' perceptions showed that participants felt that visual access in mediated conversations was both important and beneficial in conversation, and there were indications that the particular design of the different video systems did affect some aspects of conversational behavior, such as the ability to hold side and parallel conversations.
Dealing with mobility: understanding access anytime, anywhere
A study of mobile workers that highlights different facets of access to remote people and information, and different facet of anytime, anywhere, and four key factors in mobile work are identified.
Understanding photowork
The notion of "photowork" is introduced as the activities people perform with their digital photos after cap-ture but prior to end use such as sharing, and how "search" as it is usually defined may have much less relevance than new ways of browsing for the design of new digital photo tools.
Beyond total capture
Rather than try to capture everything, system design should focus on the psychological basis of human memory.
A comparison of input devices in element pointing and dragging tasks
It is shown that Fitts’ law can model both tasks, and that within devices the index of performance is higher when pointing than when dragging.
A study in interactive 3-D rotation using 2-D control devices
This paper describes and evaluates the design of four virtual controllers for use in rotating three-dimensional objects using the mouse and indicates faster performance for complex rotations using the new continuous axes controllers compared to more traditional slider approaches.