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| Criterion | ![]() Facilitation Lean Coffee | ![]() Architecture ATAM (Architecture Tradeoff Analysis Method) | ![]() Architecture arc42 | ![]() Facilitation Storytelling |
|---|---|---|---|---|
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. | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When an insight needs to have an effect, storytelling translates dry facts into a comprehensible development. It combines context, tension, and consequence into a form that people remember and pass on more easily. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 Tage | 45-120 min |
Participantsdifferent | 3-20 | Evaluation team, architects, and relevant stakeholders | 1-4 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Architecture Document, Context View, Runtime View, Deployment View | Narrative Outline, Key Message, Story Arc |
Tagsno overlap | FacilitationAutonomyDialogue | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDocumentationCommunication | CommunicationNarrativeStakeholdersFacilitation |



