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| Criterion |  Operations Barrier Analysis |  Knowledge Modeling Peer Instruction |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | Peer Instruction uses group thinking to clarify difficult terms or concepts faster. The method combines individual reflection with social correction and shared precision. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 2-4 h | 10-20 min je Frage | 15-30 min |
Participantsdifferent | 2-6 | 6-50 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Concept Questions, Vote Results, Learning Notes | Root cause notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | LearningDialogueFacilitation | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
