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| Criterion |  Systems Thinking Current Reality Tree |  Knowledge Modeling Feynman Technique |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | 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 | Low | Medium |
Timedifferent | 2-6 h | 20-60 min | 2-4 h |
Participantsdifferent | 3-8 | 1 | 2-6 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Plain-language Explanation, Knowledge Gaps, Study Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | LearningKnowledgeUnderstanding | Root causeSafetyIncident |
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