Associate Research
Professor, Engineering and Public Policy.
Judgment
and decision making, including risk perception, risk
communication, risk ranking, precautionary reasoning,
and perceived fungibility; research methods and data
analysis.
B.S. with
honors (Chemistry) 1985 California Institute of Technology
M.S. (Chemistry) 1987 Cornell University
M.A. (Social Psychology) 1992, and Ph.D. (Social Psychology)
1994, University of Colorado at Boulder.
Carnegie
Mellon 1996 -.
Professor
DeKay is interested in judgment and decision making,
particularly in the environmental and medical domains.
His current research projects involve perceptions
of ecological risks; ranking health, safety, and environmental
risks; precautionary reasoning; and the perceived
fungibility of outcomes in repeated decisions. He
is a member of the National Research Council's Panel
on Public Participation in Environmental Assessment
and Decision Making.
Representative
Publications
M. L. DeKay, J. C. Hershey, M. D. Spranca, P.A. Ubel, and D. A. Asch, "Are Medical Treatments for Individuals and Groups Like Single-Play and Multiple-Play Gambles?," Judgment and Decision Making, vol. 1, pp. 134-145, 2006.
Michael
L. DeKay and Tai Gyu Kim, "When Things Don't
Add Up: The Role of Perceived Fungibility in Repeated-Play
Decisions," Psychological Science, vol. 16, pp.
667-672, 2005.
Henry H.
Willis, Michael L. DeKay, Baruch Fischhoff, and M.
Granger Morgan, "Aggregate, Disaggregate, and
Hybrid Analyses of Ecological Risk Perceptions,"
Risk Analysis, vol. 25, pp. 405-428, 2005.
Henry H.
Willis, Michael L. DeKay, M. Granger Morgan, H. Keith
Florig, and Paul S. Fischbeck, "Ecological Risk
Ranking: Development and Evaluation of a Method for
Improving Public Participation in Environmental Decision
Making," Risk Analysis, vol. 24, pp. 363-378,
2004.
Michael
L. DeKay, Mitchell J. Small, Paul S. Fischbeck, R.
Scott Farrow, Allison Cullen, Joseph B. Kadane, Lester
B. Lave, M. Granger Morgan, and Kazuhisa Takemura,
"Risk-Based Decision Analysis in Support of Precautionary
Policies," Journal of Risk Research, vol. 5,
pp. 391-417, 2002.
H. Keith
Florig, M. Granger Morgan, Kara M. Morgan, Karen E.
Jenni, Baruch Fischhoff, Paul S. Fischbeck, and Michael
L. DeKay, "A Deliberative Method for Ranking
Risks (I): Overview and Test Bed Development,"
Risk Analysis, vol. 21, pp. 913-921, 2001.
Kara M.
Morgan, Michael L. DeKay, Paul S. Fischbeck, Baruch
Fischhoff, M. Granger Morgan, and H. Keith Florig,
"A deliberative Method for Ranking Risks (II):
Evaluation of Validity and Agreement among Risk Managers,"
Risk Analysis, vol. 21, pp. 923-937, 2001.
Michael
L. DeKay, Carol A. E. Nickerson, Peter A. Ubel, John
C. Hershey, Mark D. Spranca, and David A. Asch, "Further
Explorations of Medical Decisions for Individuals
and Groups," Medical Decision Making, vol. 20,
pp. 39-44, 2000.
Michael
L. DeKay and D. A. Asch, "Is the defensive use
of diagnostic tests good for patients, or bad?"
Medical Decision Making, vol. 18, pp. 19-28, 1998.
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