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| Criterion |  Architecture Architecture Decision Record |  Facilitation Open Space Technology |  Facilitation Fishbowl Discussion |  Facilitation Lean Coffee |
|---|---|---|---|---|
Purposedifferent | 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. | When a controversial topic needs depth and discipline at the same time, Fishbowl Discussion makes the structure of the conversation transparent. The format keeps the core small enough for real dialogue and open enough for controlled turnover. | 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. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 15-45 min | 0.5-2 Tage | 45-90 min | 30-90 min |
Participantsdifferent | 1-3 | 20-500+ | 8-80 | 3-20 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Session Marketplace, Proceedings, Action Topics | Discussion Insights, Observed Tensions, Follow-up Questions | Prioritized Topics, Discussion Notes, Action Items |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | FacilitationLarge groupAutonomy | FacilitationDialogueLarge group | FacilitationAutonomyDialogue |