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| Criterion |  Decision Making Assumption Surfacing |  Product Strategy Lean Canvas |  Product Discovery Test Card |
|---|---|---|---|
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. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 45-90 min | 45-90 min | 20-35 min |
Participantsdifferent | 2-8 | 1-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Lean Canvas, Core Assumptions, Experiment Backlog | Test Card with a pre-set threshold |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | StartupLeanAssumptionsBusiness model | ExperimentsValidationDiscoveryHypothesis |
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