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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Fishbowl Discussion |  Facilitation World Café |
|---|---|---|---|
Purposedifferent | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 60-180 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 8-80 | 12-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Discussion Insights, Observed Tensions, Follow-up Questions | Table Notes, Emergent Themes, Shared Questions |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationDialogueLarge group | FacilitationDialogueLarge groupSensemaking |
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