Number of co-authors:7
Number of publications with 3 favourite co-authors:Deborah Lawrence:2Shelly Dews:2Heather Desurvire:1
Rory Stuart's 3 most productive colleagues in number of publications:Bonnie E. John:64Michael E. Atwood:48Wayne D. Gray:44
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Publications by Rory Stuart (bibliography)
Stuart, Rory (1996): The Design of Virtual Environments. McGraw-Hill
Stuart, Rory and Dews, Shelly (1995): Making the Annual CHI Conference Environmentally Sound. In ACM SIGCHI Bulletin, 27 (1) pp. 38-40.
Thomas, John C. and Stuart, Rory (1992): Virtual Reality and Human Factors. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 207-210.
The terms "Virtual Reality", "Artificial Reality", and "Cyberspace" have been prevalent in the popular press recently. There has also been considerable professional interest. (See Table 1 of recent conferences). This field is an outgrowth of three factors: 1) increases in available technologies of display, storage, and CPU along with new interface devices. 2) increases in the awareness of the importance of the "user interface" and 3) an increase in the awareness of the need for better means of collaboration. While "Virtual Reality" is arguably not completely new, it is only in the last few years that these technological and social trends mentioned above have resulted in the growth of "Virtual Reality" as a field. We argue that "Virtual Reality" is an important phenomenon for the human factors community in at least three distinct ways. First, like other new technologies, Virtual Reality requires human factors research to reach its full potential. Second, Virtual Reality offers the human factors professional an important new tool of investigation. Third, as a tool of communication and collaboration, virtual reality may serve as a medium for collaborative design and/or a means for communicating the results of human factors issues.
© All rights reserved Thomas and Stuart and/or Human Factors Society
Stuart, Rory, Desurvire, Heather and Dews, Shelly (1991): The Truncation of Prompts in Phone Based Interfaces: Using TOTT in Evaluations. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 230-234.
The Intelligent Interfaces Group at NYNEX Science and Technology has evaluated numerous phone based interfaces (PBIs) during the course of iterative design. Many of the PBIs studied allow users to truncate spoken prompts by pressing keys on their touch-tone telephones. We have found that mistaken assumptions about how and when users will truncate spoken prompts may lead to large discrepancies between the expectations of system designers and the behavior of users. In order to study truncation behavior, we created the Task Oriented Taxonomy of Truncation (TOTT). This taxonomy can be used to describe the behavior of users in truncating spoken prompts in PBIs. TOTT was found to facilitate our understanding of users' truncation behavior and allowed us to change the PBI prompts to better fit this behavior. We found that many users did not interrupt the spoken prompts and we speculate that they may be using a model of turn-taking from human conversation. Future areas of research and applications of TOTT are discussed.
© All rights reserved Stuart et al. and/or Human Factors Society
Gray, Wayne D., John, Bonnie E., Stuart, Rory, Lawrence, Deborah and Atwood, Michael E. (1990): GOMS Meets the Phone Company: Analytic Modeling Applied to Real-World Problems. In: Diaper, Dan, Gilmore, David J., Cockton, Gilbert and Shackel, Brian (eds.) INTERACT 90 - 3rd IFIP International Conference on Human-Computer Interaction August 27-31, 1990, Cambridge, UK. pp. 29-34.
GOMS analyses were used to interpret some perplexing data from a field evaluation of two telephone operator workstations. The new workstation is ergonomically superior to the old and is preferred by all who have used it. Despite these advantages telephone operators who use the new workstation are not faster than those who use the old but are, in fact, significantly slower. This bewildering result makes sense when seen with the aid of GOMS. With GOMS we can see that very few of the eliminated key-strokes or ergonomic advantages affect tasks that determine the operator's work time. Indeed, GOMS shows that some presumed procedural improvements have the contrary effect of increasing the time an operator spends handling a phone call. We concluded that if GOMS had been done early on, then the task, not the workstation, would have been redesigned.
© All rights reserved Gray et al. and/or North-Holland
Lawrence, Deborah and Stuart, Rory (1990): Case Study of Development of a User Interface for a Voice Activated Dialing Service. In: Diaper, Dan, Gilmore, David J., Cockton, Gilbert and Shackel, Brian (eds.) INTERACT 90 - 3rd IFIP International Conference on Human-Computer Interaction August 27-31, 1990, Cambridge, UK. pp. 773-777.
A user interface for a Voice Activated Dialing service was designed and evaluated. The service will use speaker dependent recognition technology based in the telephone network to allow users to place a call by saying a name into a regular touch tone or rotary telephone. The interface was designed iteratively in three design-evaluation cycles, each with 20 subjects selected to represent the population of adult telephone users. Evaluations examined user errors, task completion, names used, recognition performance, responses to Likert-like questionnaires rating the interface, and responses to open-ended questions. A comparison was made of design variations (alternative menus, access methods, and voice- vs. tone-prompts), and of usability of the interface with different types of telephones. Subjects had little difficulty understanding and following the prompted procedures for adding, erasing, reviewing and voice-dialing names. Few errors were common across subjects. However there were several types of user difficulty in interacting with the recognizer, and the human factors of human-recognizer interaction is discussed.
© All rights reserved Lawrence and Stuart and/or North-Holland
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