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Publication Detail
What do lay people want to know about the disposal of nuclear waste? - A mental model approach to the design and development of an online risk communication
Abstract
Public participation requires the involvement of lay people in the decision-making processes of issues that concern them. It is currently practiced in a variety of domains, such as transport and environmental planning. Communicating risks can be a complex task, as there may be significant differences between the risk perceptions of experts and those of lay people. Amongst the plethora of problems that require public involvement is the site selection of a nuclear waste disposal site in the UK, which is discussed in this paper. Previous ineffective attempts to locate a site provide evidence that the problem has a strong social dimension, and studies ascribe public opposition to a loss of public trust in governmental agencies and decision makers, and to a lack of public understanding of nuclear waste issues. Although the mental models approach has been successfully used in the effective communication of such risks as climate change, no attempt has been made to follow a prescriptive mental model approach, to develop risk communication messages that inform lay people about nuclear waste disposal. After interviewing 20 lay people and 5 experts, we construct and compare their corresponding mental models, to reveal any gaps and misconceptions. The mental models approach is further applied here to identify lay people’s requirements regarding what they want to know about nuclear waste, and how this information should be presented so that it is easily understood. This paper further describes how the mental models approach was used in the subsequent development of an online information system for the site selection of a nuclear waste repository in the UK, which is considered essential for the improvement of public understanding and the re-establishment of trust.
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UCL Authors
Dept of Civil, Environ & Geomatic Eng
Dept of Civil, Environ & Geomatic Eng
Dept of Civil, Environ & Geomatic Eng
University College London - Gower Street - London - WC1E 6BT Tel:+44 (0)20 7679 2000

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