Number of co-authors:4
Number of publications with 3 favourite co-authors:Hedvig Kjellstrom:2Anne-Marie Oster:2Olov Engwall:2
Olle Balter's 3 most productive colleagues in number of publications:Candace Sidner:10Hedvig Kjellstrom:2Olov Engwall:2
...that strange new zone between medium and message. That zone we call the interface
-- Steven Johnson, 1997
Read the fascinating history of Wearable Computing, told by its father, Steve Mann
Read Steve's chapter !
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 Olle Balter (bibliography)
Engwall, Olov, Balter, Olle, Oster, Anne-Marie and Kjellstrom, Hedvig (2006): Designing the user interface of the computer-based speech training system ARTUR based on early user tests. In Behaviour and Information Technology, 25 (4) pp. 353-365.
This study has been performed in order to evaluate a prototype for the human-computer interface of a computer-based speech training aid named ARTUR. The main feature of the aid is that it can give suggestions on how to improve articulations. Two user groups were involved: three children aged 9-14 with extensive experience of speech training with therapists and computers, and three children aged 6, with little or no prior experience of computer-based speech training. All children had general language disorders. The study indicates that the present interface is usable without prior training or instructions, even for the younger children, but that more motivational factors should be introduced. The granularity of the mesh that classifies mispronunciations was satisfactory, but the flexibility and level of detail of the feedback should be developed further.
© All rights reserved Engwall et al. and/or Taylor and Francis
Balter, Olle, Engwall, Olov, Oster, Anne-Marie and Kjellstrom, Hedvig (2005): Wizard-of-Oz test of ARTUR: a computer-based speech training system with articulation correction. In: Seventh Annual ACM Conference on Assistive Technologies 2005. pp. 36-43.
This study has been performed in order to test the human-machine interface of a computer-based speech training aid named ARTUR with the main feature that it can give suggestions on how to improve articulation. Two user groups were involved: three children aged 9-14 with extensive experience of speech training, and three children aged 6. All children had general language disorders. The study indicates that the present interface is usable without prior training or instructions, even for the younger children, although it needs some improvement to fit illiterate children. The granularity of the mesh that classifies mispronunciations was satisfactory, but can be developed further.
© All rights reserved Balter et al. and/or ACM Press
Balter, Olle (2002): A longitudinal study of attitude changes in a medical service organisation after an email introduction. In Interacting with Computers, 14 (5) pp. 503-519.
A health care organisation was observed over a period of four years during their introduction of email to 6000 employees. The observed managers were positive to email from the start, despite problem with attachments and concerns for lacking computer knowledge. Email had a positive effect on employees attitudes to perceived computer knowledge as well as their abilities to learn more about computers. Negative for all was the blind mass mailings from within the organisation.
© All rights reserved Balter and/or Elsevier Science
Balter, Olle and Sidner, Candace (2002): Bifrost inbox organizer: giving users control over the inbox. In: Proceedings of the Second Nordic Conference on Human-Computer Interaction October 19-23, 2002, Aarhus, Denmark. pp. 111-118.
Many email users, especially managers, receive too many email messages to read in the time available to them. The solutions available today often require programming skills on the part of the user to define rules for prioritizing messages or moving messages to folders. We propose a different approach: categorize messages in the inbox with predefined rules that do not require maintenance and are scalable to handle anything from 50 to thousands of messages.
© All rights reserved Balter and Sidner and/or ACM Press
Balter, Olle (2000): Keystroke Level Analysis of Email Message Organization. In: Turner, Thea, Szwillus, Gerd, Czerwinski, Mary, Peterno, Fabio and Pemberton, Steven (eds.) Proceedings of the ACM CHI 2000 Human Factors in Computing Systems Conference April 1-6, 2000, The Hague, The Netherlands. pp. 105-112.
Organization of email messages takes an increasing amount of time for many email users. Research has demonstrated that users develop very different strategies to handle this organization. In this paper, the relationship between the different organization strategies and the time necessary to use a certain strategy is illustrated by a mathematical model based on keystroke-level analysis. The model estimates time usage for archiving and retrieving email messages for individual users. Besides explaining why users develop different strategies to organize email messages, the model can also be used to advise users individually when to start using folders, clean messages, learn the search functionality, and using filters to store messages. Similar models could assist evaluation of different interface designs where the number of items increase with time.
© All rights reserved Balter and/or ACM Press
Balter, Olle (2000): How to Replace an Old Email System with a New. In Interacting with Computers, 12 (6) pp. 601-614.
All organizations that use email face changes in their email systems. While some of these are only a change of version that has little effect on the organization, many will replace old email systems with new ones, and this may have severe consequences. A case study is presented where the replacement of two old mainframe-based email systems with Lotus Notes failed. Based on this failure, seven important requirements are defined to reduce problems organizations face when replacing old email systems with new ones. These requirements are supported with results from other research.
© All rights reserved Balter and/or Elsevier Science
Balter, Olle (2000): Give the Boss a Break from email: Managers and their Communication. In: Proceedings of the First Nordic Conference on Human-Computer Interaction 2000. .
Many employees are depending on their manager's abilities to communicate. Therefore it is essential that managers master their tools for communication. This study describes the situation for managers in a company where all employees had access to and used email for communication. Results show that managers use email more than telephone. Half of the respondents allowed incoming email to interrupt other tasks, despite their need for uninterrupted time. Unwanted carbon copies was considered a problem by the respondents, but the time spent handling them seems to be neglectable.
© All rights reserved Balter and/or his/her publisher
Balter, Olle (1997): Strategies for Organising Email. In: Thimbleby, Harold, O'Conaill, Brid and Thomas, Peter J. (eds.) Proceedings of the Twelfth Conference of the British Computer Society Human Computer Interaction Specialist Group - People and Computers XII August, 1997, Bristol, England, UK. pp. 21-38.
With the increasing flow of email, strategies for organising email messages become more important. Research describes various strategies used for archiving and retrieving messages. Categorising these strategies is important to identify special needs, problems and solutions for users of each strategy. This study extends earlier categories by grouping users after folder usage and cleaning frequency. Conclusions are that the strategies are affected by the choice of mail tool and number of incoming messages, but no influence by the work task or position could be found. Some advice on interface design to support the different strategies is given.
© All rights reserved Balter and/or Springer Verlag
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