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| Criterion |  Innovation Double Diamond |  Operations Fault Tree Analysis |  Architecture Architecture Communication Canvas |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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 | Medium | High | Medium | Medium |
Timedifferent | Wochen bis Monate | 2-6 h | 60-120 min | 2-4 h |
Participantsdifferent | 3-12 | 3-8 | 2-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ProcessDivergenceInnovation | RiskRoot causeSafety | ArchitectureCommunicationStakeholdersCanvas | Root causeSafetyIncident |