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- W34396461 abstract "Historically, usability evaluation methods (UEMs) have been evaluated on theircapability for problem identification. However, the relevance of this approach has beenquestioned for applied usability work. To investigate alternative explanations of what isimportant for method use a grounded theory of usability practitioners was developed (9interviews from the website domain and 13 in the safety-critical domain). The analysisproceeded in bottom-up and top-down stages. The bottom-up stages produced insightfrom the data in an exploratory and inductive manner. This highlighted the importanceof contextual factors and the need for system descriptions: UEM adoption andadaptation cannot be fully understood devoid of context. The top-down stages usedDistributed Cognition and Resilience Engineering conceptual frameworks as leveragefor exploring the data in a deductive manner. These were chosen for their functionaldescriptions of systems. To illustrate the importance of context we describe threemodels: 1) where previous research has highlighted the downstream utility of UEMs weexpand the metaphor to consider the landscape through which the stream flows, wherethe landscape represents the project’s context; 2) where information propagation andtransformation in a project is influenced by social, information flow, artefact, physicaland evolutionary factors; and 3) where the functional couplings between parts of thesystem of usability practice can be monitored and managed to positively resonate witheach other, thereby improving the performance of the system overall. The concept of‘Positive Resonance’ is introduced to describe how practitioners adapt to the context tomaximise their impact under constrained resources. The functional couplings aredescribed in a functional resonance model of HCI practice. This model is validated byinterviewees and other practitioners outside of the study. This research shows thatproblem identification is limited for valuing UEMs. Instead, functional couplings ofUEMs should be considered to improve system performance, which influence UEMadoption and adaptation in practice." @default.
- W34396461 created "2016-06-24" @default.
- W34396461 creator A5001719039 @default.
- W34396461 date "2008-11-01" @default.
- W34396461 modified "2023-09-26" @default.
- W34396461 title "Beyond problem identification : valuing methods in a 'system usability practice'" @default.
- W34396461 hasPublicationYear "2008" @default.
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