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| Criterion |  Decision Making Assumption Surfacing |  Architecture Software Architecture Canvas |  Product Discovery Assumption Mapping |  Architecture Risk Storming |
|---|---|---|---|---|
Purposedifferent | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 45-90 min | 1-2 h | 45-60 min | 60-90 min |
Participantsdifferent | 2-8 | 3-10 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Architecture Canvas, Goals, Constraints, Quality Attributes | Assumption map, Test backlog, Risk ranking | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | CanvasArchitectureAlignmentWorkshop | AssumptionsRiskExperimentsValidation | RiskArchitectureWorkshopValidation |