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| Criterion |  Innovation Design Thinking |  Decision Making Assumption Surfacing |  Operations MORT Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. |
Complexitydifferent | High | Low | High | High |
Timedifferent | 1 Tag bis mehrere Wochen | 45-90 min | Mehrere Tage bis Wochen | 2-6 h |
Participantsdifferent | 4-10 | 2-8 | 2-6 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Assumption List, Critical Assumptions, Learning Plan | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | InnovationPrototypeResearch | AssumptionsRiskDecisionDiscovery | Root causeSafetySystemicIncident | RiskRoot causeSafety |