Number of co-authors:16
Number of publications with 3 favourite co-authors:Laura Marie Leventhal:4Keith Instone:2Loren Terveen:1
Brad Blumenthal's 3 most productive colleagues in number of publications:Loren Terveen:68James R. Miller:27Thomas G. Moher:24
Computer programs emerge as the outcome of complex human processes of cognition, communication and negotiation, which serve to establish the meaningful embedding of the computer system in its intended use context.
-- Floyd, 1992, p. 24
Read the fascinating history of Wearable Computing, told by its father, Steve Mann
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The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad
The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam
Publications by Brad Blumenthal (bibliography)
Leventhal, Laura Marie, Teasley, B., Blumenthal, Brad, Instone, Keith, Stone, D. and Donskoy, Mikhail V. (1996): Assessing User Interfaces for Diverse User Groups: Evaluation Strategies and Defining Characteristics. In Behaviour and Information Technology, 15 (3) pp. 127-137.
User interface designers are challenged to design for diverse users, including those of different genders, cultures and abilities; however, little research has been directed at this problem. One factor which may inhibit such research is its cost. This paper presents an approach which offers a way to seek out important characteristics of designs in a cost-effective way and reports on the results. In a study reported here, subjects from different nationalities and of both genders evaluated three dialog boxes specifically designed for 'white American women'. 'European adult male intellectuals' and 'English-speaking-internationals'. The dialog boxes were evaluated with conjoint techniques of preference rankings and factor-analysed adjective ratings. These results showed that female subjects had stronger and more consistent patterns of preferences than the male subjects. All subjects preferred interfaces rated high on an accessibility factor and disliked complex layouts; this effect was even stronger for women. Nationality did not effect ratings. Gender had a stronger effect on the outcome than nationality.
© All rights reserved Leventhal et al. and/or Taylor and Francis
Price, Blaine, Blumenthal, Brad and Leventhal, Laura Marie (1995): EWHCI '94. In ACM SIGCHI Bulletin, 27 (1) pp. 31-37.
Teasley, Barbee Mynatt, Leventhal, Laura Marie, Blumenthal, Brad, Instone, Keith and Stone, Daryl (1994): Cultural Diversity in User Interface Design: Are Intuitions Enough?. In ACM SIGCHI Bulletin, 26 (1) pp. 36-40.
Moher, Thomas G., Mak, David C., Blumenthal, Brad and Leventhal, Laura Marie (1993): Comparing the Comprehensibility of Textual and Graphical Programs: The Case of Petri Nets. In: Cook, Curtis, Scholtz, Jean and Spohrer, James C. (eds.) Empirical Studies of Programmers - Fifth Workshop December 3-15, 1993, 1993, Palo Alto, California. pp. 137-161.
In an experiment inspired by Green, Petre, and Bellamy (1991), three forms of Petri net representations were tested against two textual program representations for comprehensibility. Two tasks were employed: question-answering and matching. The results reaffirmed the textual match-mismatch phenomenon frequently reported for circumstantial vs. sequential programs, but failed to find a match-mismatch for alternative net representations. Petri nets appeared to be more well-suited in general to backwards questions, but performance was strongly dependent to the layout of the Petri nets. In general, the results indicate that the efficacy of a graphical program representation is not only task-specific, but also highly sensitive to seemingly ancillary issues such as layout and the degree of factoring.
© All rights reserved Moher et al. and/or Ablex Publishing
Blumenthal, Brad (1993): Experts' Assessments of Robustness, Stability, and Sources of Expertise in the Programming Process. In: East-West International Conference on Human-Computer Interaction: Proceedings of the EWHCI93 1993. pp. 5-17.
Expert programmers have a great deal of knowledge about their code that is not directly related to its structure or function, and they use this knowledge extensively while programming. While modern programming environments capture a great deal of formal knowledge about a piece of code, they do not capture the informal knowledge that programmers use while coding. The problem with building environments to capture such informal knowledge is determining what knowledge to capture. Although there are a variety of studies on programmers's representations of their code, there are few, if any, conclusions about what informal representations expert programmers use when working with large software systems. This paper presents conclusions from a study indicating that expert programmers have consistent assessments of such characteristics as robustness (the reliability of a piece of code), stability (the amount that a piece of code has changed recently), and sources of expertise (the people who know about a piece of code and can explain it). In addition, programmers use these assessments of robustness, stability, and sources of expertise to guide the debugging, design, and modification processes. These results have significant implications for the design of new programming environments, and based on these implications, some new directions for studying expert programmers and building programming environments are discussed.
© All rights reserved Blumenthal and/or Intl. Centre for Scientific And Technical Information
Blumenthal, Brad (1990): Strategies for Automatically Incorporating Metaphoric Attributes in Interface Designs. In: Hudson, Scott E. (ed.) Proceedings of the 3rd annual ACM SIGGRAPH symposium on User interface software and technology October 03 - 05, 1990, Snowbird, Utah, United States. pp. 66-75.
Blumenthal, Brad (1990): Incorporating Metaphor in Automated Interface Design. 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. 659-664.
Metaphoric interface design is a useful technique for making computer applications easier to learn and use. The MAID system uses a knowledge-based description of computer applications and real-world entities to automatically produce interface designs with metaphoric characteristics. MAID employs two strategies for producing metaphoric human interfaces: one imports characteristics such as appearance, relative size, etc. into the application, the other imports new objects suggested by the metaphor. MAID has been implemented and some results of its design runs are presented.
© All rights reserved Blumenthal and/or North-Holland
Miller, James R., Hill, William C., McKendree, Jean, Masson, Michael E. J., Blumenthal, Brad, Terveen, Loren and Zaback, Jay (1987): The Role of the System Image in Intelligent User Assistance. In: Bullinger, Hans-Jorg and Shackel, Brian (eds.) INTERACT 87 - 2nd IFIP International Conference on Human-Computer Interaction September 1-4, 1987, Stuttgart, Germany. pp. 885-890.
Many researchers have demonstrated the ways in which well-designed graphical interfaces allow users to acquire conceptual models of the interfaces and the application programs behind these interfaces. It is also clear that the users' models are initially flawed and incomplete, and the problems that users have with these systems revolve around the misconceptions and alternate conceptualizations in these models. Our work indicates that graphical interfaces may be especially sensitive to misconceptions, and that advisory systems for these kinds of systems must anticipate and resolve such problems. In particular, they must be able to understand alternative conceptual models of the system, and may need to diagnose and remediate these misconceptions. We will describe our work on direct manipulation interfaces and intelligent advisory systems, focusing on the problems people encounter when using interfaces and the ways in which our advisor's design is being driven by the properties of graphical interfaces.
© All rights reserved Miller et al. and/or North-Holland
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