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| Criterion |  Facilitation Lean Coffee |  Facilitation Power Interest Grid |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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. | When many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | 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 | Low | Low | High |
Timedifferent | 30-90 min | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-20 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | Power Interest Grid, Strategy per Stakeholder | 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 | FacilitationAutonomyDialogue | StakeholdersFacilitationAlignmentPlanning | ArchitectureQualityRiskTradeoffsStakeholders |
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