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ReferencesNavigation arrowAuthorsNavigation arrowAngela Prussog
Jun 19

“ ... there are no simple 'right' answers for most web design questions (at least not for the important ones). What works is good, integrated design that fills a need--carefully thought out, well executed, and tested. ”

-- Steve Krug, Don't Make Me Think, p. 136

 
 

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Angela Prussog

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Publications by Angela Prussog (bibliography)

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1994
 
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Prussog, Angela, Muhlbach, Lothar and Bocker, Martin (1994): Telepresence in Videocommunications. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. pp. 180-184.

“The paper discusses factors that affect the impression of telepresence in video-communications. Telepresence is experienced by interlocutors to the extent to which natural visual cues from the remote site are adequately transferred by the medium. The paper reports on two experimental Human Factors studies investigating the effects of various features of videoconferencing systems in terms of, inter alia, the conferees' impression of telepresence as well as user satisfaction and the willingness to use those systems. Within the framework of Experiment 1 the system features that were varied were the scale of representing the conferees (natural vs. reduced size) and the representation of the conferees' surroundings (small vs. large sector of the remote room). In Experiment 2 the system feature being tested was the stereoscopic representation of the conferees. Results showed that both the natural-size representation of conferees as well as the stereoscopic representation increase the impression of telepresence. The expected benefits of a representation of the conferees' surroundings could not be verified. Given a fixed size of the screen, the trade-off between the conferees' size and the representation of surroundings is in favor of the natural size representation.”

© All rights reserved Prussog et al. and/or Human Factors Society

1987
 
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Prussog, Angela and Blohm, Werner (1987): Multi-Service-Terminals -- Human Factors Studies with an Experimental Prototype. 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. 327-332.

“Service-integrated networks suggest a concept of accessing various services from one single terminal unit ("multi-service-terminal"). Due to the variety of functions, several problems have to be expected for the user in the course of operating such a terminal. In order to provide empirically based recommendations for a 'user-friendly' design of multi-service-terminals, several design concepts were developed. The significance of these concepts was evaluated within human factors investigations with an experimental prototype system, which gives access to various narrow- and broadband telecommunication services. Within a pilot study two different types of keypads -- with hard and softkeys -- were tested and evaluated by non-expert subjects. Results of the pilot study show that even inexperienced users were able to manage the operating procedures successfully, if multi-service-terminals are designed adequately. Apart from the advantages of keypads with softkeys, especially with respect to their flexibility, certain problems and disadvantages for the user became evident.”

© All rights reserved Prussog and Blohm and/or North-Holland

 
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Changes to this page (author)

26 Jun 2007: Modified
28 Apr 2003: Added

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Jun 19

“ ... there are no simple 'right' answers for most web design questions (at least not for the important ones). What works is good, integrated design that fills a need--carefully thought out, well executed, and tested. ”

-- Steve Krug, Don't Make Me Think, p. 136

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Latest books

The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad

 
Start reading

The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

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