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| Criterion |  Operations Barrier Analysis |  Facilitation Open Space Technology |  Operations 5 Whys |  Operations MORT Analysis |
|---|---|---|---|---|
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. | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | 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 safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 2-4 h | 0.5-2 Tage | 15-30 min | Mehrere Tage bis Wochen |
Participantsdifferent | 2-6 | 20-500+ | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Session Marketplace, Proceedings, Action Topics | Root cause notes, Countermeasures | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | Root causeSafetyIncident | FacilitationLarge groupAutonomy | Root causeIncidentLeanProblem solving | Root causeSafetySystemicIncident |