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| Criterion |  Facilitation World Café |  Facilitation Lean Coffee |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 60-180 min | 30-90 min | 1-2 Tage | 15-45 min |
Participantsdifferent | 12-100+ | 3-20 | 1-4 | 1-3 |
Formatdifferent | Workshop | Workshop | Workshop + async | Async |
Outputdifferent | Table Notes, Emergent Themes, Shared Questions | Prioritized Topics, Discussion Notes, Action Items | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | FacilitationDialogueLarge groupSensemaking | FacilitationAutonomyDialogue | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |