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| Criterion |  Operations Fault Tree Analysis |  Innovation Design Thinking |  Architecture Architecture Communication Canvas |  Operations Barrier 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | 2-6 h | 1 Tag bis mehrere Wochen | 60-120 min | 2-4 h |
Participantsdifferent | 3-8 | 4-10 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Problem Statement, Prototype, Test Learnings | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | RiskRoot causeSafety | InnovationPrototypeResearch | ArchitectureCommunicationStakeholdersCanvas | Root causeSafetyIncident |