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Bernhard Wöckl

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Publications by Bernhard Wöckl (bibliography)

2012

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Wöckl, Bernhard, Yildizoglu, Ulcay, Buber, Isabella, Diaz, Belinda Aparicio, Kruijff, Ernst and Tscheligi, Manfred (2012): Basic senior personas: a representative design tool covering the spectrum of European older adults. In: Fourteenth Annual ACM SIGACCESS Conference on Assistive Technologies 2012. pp. 25-32.

“The persona method is a powerful approach to focus on needs and characteristics of target users, keeping complex user data, numbers and diagrams alive during the whole design cycle. However, the development of prosperous personas requires a considerable amount of time, effort and specific skills. This paper introduces the development of a set of 30 basic senior personas, covering a broad range of characteristics of European older adults, following a quantitative development approach. The aim of this tool is to support researchers and developers in extending empathy for their target users when developing ICT solutions for the benefit of older adults. The main innovation lies in the representativeness of the basic senior personas. The personas build on multifaceted quantitative data from a single source including micro-level information from roughly 12,500 older individuals living in different European countries. The resulting personas may be applied in their basic form but are extendable to specific contexts. Also, the suggested tool addresses the drawbacks of current existing personas describing older adults: being representative and cost-efficient. The basic senior personas, a filter tool, a manual and templates for "persona marketing" articles are available for free online under http://elderlypersonas.cure.at.”

2010

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Wimmer, Benjamin, Wöckl, Bernhard, Leitner, Michael and Tscheligi, Manfred (2010): Measuring the dynamics of user experience in short interaction sequences. In: Proceedings of the Sixth Nordic Conference on Human-Computer Interaction 2010. pp. 825-828.

“In this paper we discuss the dynamics of user experience in short interaction sequences (SIS). By splitting up complex tasks into several smaller sub steps -- and therefore transforming it into a SIS -- it allows identifying and measuring dynamic changes of specific UX factors throughout the task. This enables generating a more detailed view than by common approaches like pre and post task evaluation. Through a study we examined the factors pleasantness and arousal on the basis of a generic online shopping process. For validation, two different methods (Emocards, Sensual Evaluation Instrument) were used for measurement. Results show different dynamics of UX for each of the evaluated sub steps and we therefore conclude that singular UX measurement (at one point of time) or pre and post task evaluation is not sufficient for getting a full picture of UX.”

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Leitner, Michael, Wöckl, Bernhard, Subasi, Özge and Tschelgi, Manfred (2010): Towards the use of "negative effects" in technology design and evaluation. In: Proceedings of the HCI10 Conference on People and Computers XXIV 2010. pp. 443-447.

“Negative effects of computer use are reported in different studies; but so far no standardized framework exists to work with these issues throughout a user-centred design process. "Negative effects" are the result of user, context and task characteristics and they diminish the performance, the perceived ease of use or even prevent people from using technology. In this paper we discuss different aspects and ideas in order to debate "negative effects" as origin of design and as evaluation criteria. The high-level goal of this approach is to avoid negative effects by design. This paper describes a number of basic thoughts and considerations to describe the idea of how and why "negative effects" should be considered throughout the design process.”

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