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Selected:Assumption MappingATAM (Architecture Tradeoff Analysis Method)Risk StormingArchitecture Communication Canvas
| Criterion |  Product Discovery Assumption Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 45-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min | 60-120 min |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Annotated Diagram, Prioritized Risk List, Action Backlog | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | AssumptionsRiskExperimentsValidation | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation | ArchitectureCommunicationStakeholdersCanvas |