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| Criterion |  Operations Fault Tree Analysis |  Innovation Design Thinking |  Operations Causal Factor Analysis |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitysame | High | High | High |
Timedifferent | 2-6 h | 1 Tag bis mehrere Wochen | 2-6 h |
Participantsdifferent | 3-8 | 4-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Problem Statement, Prototype, Test Learnings | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | RiskRoot causeSafety | InnovationPrototypeResearch | CausalityIncidentRoot causeTimeline |
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