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| Criterion |  Architecture Software Architecture Canvas |  Decision Making Assumption Surfacing |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | 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. | 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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-2 h | 45-90 min | 20-35 min |
Participantsdifferent | 3-10 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | Assumption List, Critical Assumptions, Learning Plan | Test Card with a pre-set threshold |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryHypothesis |
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