An influence diagram shows the factors, decisions, uncertainties and outcomes influencing a situation. It clarifies relationships, exposes assumptions and supports structured analysis.
How to use this tool
Define decision and scope
Define the decision and scope.
Identify factors and outcomes
Identify factors, uncertainties and outcomes.
Connect to show influence
Connect the elements to show influence.
Validate the relationships
Validate the relationships and use them to guide analysis.
References & further reading
Howard, R. A. and Matheson, J. E. (1984). “Influence Diagrams.” In: Readings on the Principles and Applications of Decision Analysis. Strategic Decisions Group.