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Selected:ATAM (Architecture Tradeoff Analysis Method)Cynefin WorkshopAssumption SurfacingArgument Mapping
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Cynefin Workshop |  Decision Making Assumption Surfacing |  Decision Making Argument Mapping |
|---|---|---|---|---|
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 problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 60-180 min | 45-90 min | 1-3 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-20 | 2-8 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Cynefin Map, Domain-specific Actions, Sensemaking Notes | Assumption List, Critical Assumptions, Learning Plan | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ComplexitySensemakingDecision | AssumptionsRiskDecisionDiscovery | SensemakingDecisionRationale |