The relevance of scientific knowledge for science and technology policy and regulation has led to a growing debate about the role of values. This article contributes to the clarification of what specific functions cognitive and noncognitive values adopt in knowledge generation and decisions, and what consequences the operation of values has for policy making and regulation. For our analysis, we differentiate between three different types of decision approaches, each of which shows a particular constellation of cognitive and noncognitive values. Our (...) objectives are to present a structured analysis of the varying functions that different kinds of values can adopt, as well as the value-related tensions and trade-offs they give rise to. We argue that the operation of noncognitive values in scientific knowledge generation, policy, and regulatory decision making can be understood as an enabling factor, rather than a limiting one. (shrink)

: This paper examines the epistemological warrant for a toxicological phenomenon known as chemical hormesis. First, it argues that conceptual confusion contributes significantly to current disagreements about the status of chemical hormesis as a biological hypothesis. Second, it analyzes seven distinct concepts of chemical hormesis, arguing that none are completely satisfactory. Finally, it suggests three ramifications of this analysis for ongoing debates about the epistemological status of chemical hormesis. This serves as a case study supporting the value of philosophical methodologies (...) such as conceptual clarifica-tion for addressing contemporary scientific disputes, including policy-related scientific disputes that may be heavily in(integral)uenced by social and political factors. (shrink)