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| Criterion |  Decision Making Risk Matrix |  Architecture Software Architecture Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-60 min | 1-2 h | 45-60 min |
Participantsdifferent | 3-10 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Architecture Canvas, Goals, Constraints, Quality Attributes | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskDecisionPrioritizationAssessment | CanvasArchitectureAlignmentWorkshop | AssumptionsRiskExperimentsValidation |
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