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Selected:World CaféFailure Mode and Effects AnalysisFishbone DiagramATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Facilitation World Café |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 60-180 min | 2-6 h | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 12-100+ | 3-10 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Table Notes, Emergent Themes, Shared Questions | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | FacilitationDialogueLarge groupSensemaking | RiskQualityOperationsRoot cause | Root causeQualityOperations | ArchitectureQualityRiskTradeoffsStakeholders |