Discovering affect-laden requirements to achieve system acceptance

Sutcliffe, Alistair and Rayson, Paul and Bull, Christopher and Sawyer, Pete (2014) Discovering affect-laden requirements to achieve system acceptance. In: 22nd IEEE International Requirements Engineering Conference (RE'14) :. IEEE, pp. 173-182. ISBN 9781479930319

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Novel envisioned systems face the risk of rejection by their target user community and the requirements engineer must be sensitive to the factors that will determine acceptance or rejection. Conventionally, technology acceptance is determined by perceived usefulness and ease-of-use, but in some domains other factors play an important role. In healthcare systems, particularly, ethical and emotional factors can be crucial. In this paper we describe an approach to requirements discovery that we developed for such systems. We describe how we have applied our approach to a novel system to passively monitor users for signs of cognitive decline consistent with the onset of dementia. A key challenge was eliciting users’ reactions to emotionally charged events never before experienced by them at first hand. Our goal was to understand the range of users’ emotional responses and their values and motivations, and from these formulate requirements that would maximise the likelihood of acceptance of the system. The problem was heightened by the fact that the key stakeholders were elderly people who represent a poorly studied user constituency. We discuss the elicitation and analysis methodologies used, and our experience with tool support. We conclude by reflecting on the affect issues for RE and for technology acceptance.

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07 Jul 2014 09:16
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12 Jul 2024 01:46