Kenneth R. Hammond is the director of the Program of Research on Human Judgment and Social Interaction, Institute of Behavior Science, and professor of psychology at the University of Colorado, Boulder

• 1. The Environment and Public Policy 2. Toward Increasing Competence of Thought in Public Policy Formation 3. What is a Public Policy Issue? 4. Technology for Director Dubious: Evaluation and Decision in Public Contexts 5. Judgment, Choice, and Societal Risk Taking 6. Observations on Judgment and Public Policy Decisions 7. Science, Values and Human Judgment 8. Decision Errors and Fallible Judgment: Implications for Social Policy