Turkka Keinonen
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Publications by Turkka Keinonen (bibliography)
» 2008 «
Keinonen, Turkka (2008): User-centered design and fundamental need. In: Proceedings of the Fifth Nordic Conference on Human-Computer Interaction 2008. pp. 211-219. Available online
This paper will discuss whether User-Centered Design (UCD) is capable and/or oriented towards satisfying users' fundamental needs. At face value, UCD is the advocate of the user in product development, but do its actual practices and values address what is fundamentally important for users? The question will be addressed by starting with a moral philosophical discussion for separating the concept of 'fundamental needs' from 'survival needs', occasional 'wishes' or instrumental 'necessary conditions'. After being equipped with a satisfactory conception of the fundamental need, two conditions will be formulated to characterize UCD practices that orient towards need satisfaction. Protection conditions will address design criteria, and examine whether UCD practice defends users from harm. Appreciation condition is related to the conception of the user within UCD, and tests UCD agents' tendency to avoid reducing users. The discussion will show that the historical development of UCD from a limited Human-Machine paradigm towards more socially focused and interventionist approaches has influenced on its need satisfying orientation. The protection condition, which relatively well described early UCD activities, i.e. usability engineering, in 1980s and early 1990s, has become too limited to explain the widening scope of interests towards the end of this decade. On the contrary, the appreciation condition, is better met by the present holistic and active user conception than the previous reduced users defined by their roles as computer operators.
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» 2007 «
Koskinen, Ilpo and Keinonen, Turkka (eds.) DPPI 2007 - Proceedings of the 2007 International Conference on Designing Pleasurable Products and Interfaces August 22-25, 2007, Helsinki, Finland.
» 2004 «
Hulkko, Sami, Mattelmaki, Tuuli, Virtanen, Katja and Keinonen, Turkka (2004): Mobile probes. In: Proceedings of the Third Nordic Conference on Human-Computer Interaction October 23-27, 2004, Tampere, Finland. pp. 43-51. Available online
This paper describes a new digital user study tool called Mobile Probes. Mobile Probes arose from a need to develop contextual and dynamic self-documenting tools for studying people's actions in mobile contexts. The technology used in the pilot study was based on dual band mobile phones with GPRS connections and an external accessory digital camera. A system was also developed for sharing and sorting the data. The system was implemented with Java software to enable the device to send and receive data, and PHP scripting to send and edit the questions and to view the answers through a dynamic web server. Another pilot study was conducted with a flexible platform that operates a spatio-temporal mobile log. The results of the studies show that Mobile Probes are a promising way to conduct user studies. Ideas for future development of the tool are discussed.
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Sorvari, Antti, Jalkanen, Janne, Jokela, Riitta, Black, Alastair, Koli, Kimmo, Moberg, Marko and Keinonen, Turkka (2004): Usability issues in utilizing context metadata in content management of mobile devices. In: Proceedings of the Third Nordic Conference on Human-Computer Interaction October 23-27, 2004, Tampere, Finland. pp. 357-363. Available online
Mobile devices and their novel applications are handling increasing amounts of new type of content such as video, images, messages and music. Managing large amounts of data introduces a usability challenge that cannot be solved without developing new ways of managing the content. The use of context metadata is presented here as one of the ways to aid content management. This paper investigates the usability issues that are introduced by the usage of context metadata such as time, date, location and proximity. The research was based on literature, expert groups, focus groups and interviews. The usability issues that were identified were related to meaningfulness, to usefulness and to privacy. A vast amount of issues need to be solved to implement a safe, easy-to-use and preferably automated way of assisting users to manage their mobile content with context metadata.
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» 2002 «
Keinonen, Turkka (2002): Industrial interaction or interactive industrial: the merging of design disciplines. In: Proceedings of the Second Nordic Conference on Human-Computer Interaction October 19-23, 2002, Aarhus, Denmark. pp. 311-312. Available online
» 2001 «
Kuutti, Kari, Battarbee, Katja, Säde, Simo, Mattelmäki, Tuuli, Keinonen, Turkka, Teirikko, Topias and Tornberg, Anne-Mari (2001): Virtual Prototypes in Usability Testing. In: HICSS 2001 2001. . Available online
» 1997 «
Keinonen, Turkka (1997): Expected Usability and Product Preference. In: Proceedings of DIS97: Designing Interactive Systems: Processes, Practices, Methods, & Techniques 1997. pp. 197-204. Available online
The design of smart products involves undesirable, yet frequent, cases when compromises between the quality of appearance, functionality, price and usability are required. Usability has lately been considered increasingly important for product competitiveness, but perceiving how usable a product might be prior to actual use is difficult. This paper considers the way people perceive and weight usability related product attributes in a decision making situation. The dimensions of usability are analysed from consumer attitude formation point of view. A model of evaluation criteria related to expected usability is presented. It includes consumers' beliefs concerning product characteristics, benefits and an overall emotional response. Scales to measure the dimensions are developed. The scales are applied in a case study with 91 subjects evaluating six different heart rate monitors. The results suggest that the dimensions of usability are highly interrelated in consumers' evaluation and have only a limited potential to explain product preferences.
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Mar 16th, 2010
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