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| Criterion |  Operations Barrier Analysis |  Facilitation World Café |  Facilitation Lean Coffee |  Facilitation Open Space Technology |
|---|---|---|---|---|
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 group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 2-4 h | 60-180 min | 30-90 min | 0.5-2 Tage |
Participantsdifferent | 2-6 | 12-100+ | 3-20 | 20-500+ |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Table Notes, Emergent Themes, Shared Questions | Prioritized Topics, Discussion Notes, Action Items | Session Marketplace, Proceedings, Action Topics |
Tagsno overlap | Root causeSafetyIncident | FacilitationDialogueLarge groupSensemaking | FacilitationAutonomyDialogue | FacilitationLarge groupAutonomy |