Every day we make decisions based on imperfect knowledge - choices such as where to live, what kind of medical treatment to receive, even whether or not to play the lottery. In this how accurate everyday risk assessment really is. Guests: Kathleen Tierney Associate Professor of Sociology Co-Director of the Disaster Research Center University of Delaware Newark, Delaware Baruch Fischhoff Psychologist of Engineering and Public Policy Carnegie Mellon University Pittsburgh, Pennsylvania Susan Hruska Associate Professor of Computer Science Florida State University Tallahassee, Florida Listeners call in

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