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| Criterion |  Knowledge Modeling Feynman Technique |  Operations 5 Whys |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Low | Medium |
Timedifferent | 20-60 min | 15-30 min | 2-4 h |
Participantsdifferent | 1 | 2-6 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Plain-language Explanation, Knowledge Gaps, Study Notes | Root cause notes, Countermeasures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | LearningKnowledgeUnderstanding | Root causeIncidentLeanProblem solving | Root causeSafetyIncident |
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