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| Criterion |  Innovation Design Thinking |  Operations Barrier Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | High | Medium | High |
Timedifferent | 1 Tag bis mehrere Wochen | 2-4 h | 2-6 h |
Participantsdifferent | 4-10 | 2-6 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | InnovationPrototypeResearch | Root causeSafetyIncident | Systems thinkingRoot causeConstraintsCausality |
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