Abstract
ABSTRACT Risk is an ancient, historic concept; almost everybody has some subjective understanding of what is meant by it. However, there are different types of knowledge, notions, interests, and processes involved both in science-based risk assessment and subjective risk perception. In the present article, we show how risk assessment and risk perception are intricately intertwined. This is exemplified by introducing the state-of-the-art risk assessments applied to three cases (i.e., heavy metals, POPs, and nanotech particles), each with their own unique history and degree of scientific understanding. We elaborate that, when dealing with risk, actors employ different notions (e.g., pure vs. speculative risk), processes (e.g., affective involvement in case) and relations (e.g., trust depending on benefiting from risk) depending on their knowledge, concern, and interests. Finally, we argue that it is important to combine studies on risk perception and risk assessment at an early stage of technology development. The issues and problems of public risk perception are discussed.
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