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| Criterion |  Facilitation Consensus Workshop |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|
Purposedifferent | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. | 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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 15-45 min |
Participantsdifferent | 5-30 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Consensus Clusters, Theme Titles, Priority Areas | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | FacilitationConsensusWorkshopAlignment | ArchitectureQualityRiskTradeoffsStakeholders | ComparisonFacilitationAlignment |
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