has been used to represent the values of both terrorists and defenders to support homeland-security decision making. Software Decision-making software packages are available for implementing decision analysis. Some particularly notable packages include Analytica for influence diagrams, and DecideIT and Logical Decisions for multi-attribute decision making. See also Choice Decision analysis cycle Decision conferencing Decision engineering Decision making software Decision model Decision quality Decision support Decision theory Influence diagram Management science Micromort Multiple-criteria decision analysis (MCDA) Optimal decision Stochastic dominance References Further reading (volume 1, volume 2) Keeney, R. L. and Raiffa, H. (1976). Decisions with Multiple Objectives: Preferences and Value Tradeoffs. Wiley, New York. Reprinted, Cambridge Univ. Press, New York (1993). ISBN 9781139174084. External links Society of Decision Professionals, the professional society supporting decision professionals as the advisors of choice when facing important, complex decisions. Decision Analysis , a journal of the Institute for Operations Research and the Management Sciences Decision Analysis Society, a subdivision of the Institute for Operations Research and the Management Sciences specializing in Decision Analysis Decision Analysis in Health Care Online course from George Mason University providing free lectures and tools for decision analysis modeling in health care settings. Decision Analysis Affinity Group, DAAG, has merged with and become the annual conference of the Society of Decision Professionals. Formed as an informal group of DA practitioners, DAAG was started in 1995 by Tom Spradlin, John Palmer, and David Skinner. Decision Analysis Glossary Analysis