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| Criterion |  Innovation Design Sprint |  Operations Fault Tree Analysis |  Innovation Design Thinking |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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 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 | High | Medium |
Timedifferent | 4-5 Tage | 2-6 h | 1 Tag bis mehrere Wochen | 2-4 h |
Participantsdifferent | 5-8 | 3-8 | 4-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Problem Statement, Prototype, Test Learnings | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Design sprintPrototypeValidationInnovation | RiskRoot causeSafety | InnovationPrototypeResearch | Root causeSafetyIncident |