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| Criterion |  Facilitation Lean Coffee |  Architecture Architecture Decision Record |  Facilitation Open Space Technology |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Low | Low | High |
Timedifferent | 30-90 min | 15-45 min | 0.5-2 Tage |
Participantsdifferent | 3-20 | 1-3 | 20-500+ |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | ADR File, Decision Log, Rationale | Session Marketplace, Proceedings, Action Topics |
Tagsno overlap | FacilitationAutonomyDialogue | ArchitectureRationaleDocumentationGovernance | FacilitationLarge groupAutonomy |
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