Abstract
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Improvements in risk communication strategies for radiation-emitting technologies require an understanding of risk perceptions, especially when risks are unclear or highly controversial. Precautionary measures are one option to affect risk perceptions. The prevailing assumption to date has been that implementation of precautionary measures, or more precisely communicating or informing about taking such precautionary measures, will increase trust, alleviate fears, and reduce risk perceptions. In a multi-national, cross-cultural experimental survey research project, we show that a differentiated understanding and approach is needed in regards to risk perceptions related to precautionary measures for mobile phones and base stations.