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| Criterion |  Decision Making Decision Matrix |  Decision Making Assumption Surfacing |  Product Strategy Lean Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 45-90 min | 45-90 min | 45-90 min | 45-60 min |
Participantsdifferent | 2-8 | 2-8 | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Assumption List, Critical Assumptions, Learning Plan | Lean Canvas, Core Assumptions, Experiment Backlog | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | AssumptionsRiskDecisionDiscovery | StartupLeanAssumptionsBusiness model | AssumptionsRiskExperimentsValidation |