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| Criterion |  Facilitation Open Space Technology |  Facilitation Lean Coffee |  Operations Barrier Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | 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. | 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 | High | Low | Medium | Low |
Timedifferent | 0.5-2 Tage | 30-90 min | 2-4 h | 15-30 min |
Participantsdifferent | 20-500+ | 3-20 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Session Marketplace, Proceedings, Action Topics | Prioritized Topics, Discussion Notes, Action Items | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures |
Tagsno overlap | FacilitationLarge groupAutonomy | FacilitationAutonomyDialogue | Root causeSafetyIncident | Root causeIncidentLeanProblem solving |