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| Criterion |  Decision Making Pre-Mortem |  Product Discovery MVP Test Matrix |  Decision Making Decision Matrix |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 20–45 min | 45-75 min | 45-90 min | 45-60 min |
Participantsdifferent | Small cross-functional group | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Test Matrix, Test Plan | Decision Matrix, Scoring Rationale, Selected Option | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskDecisionFailurePlanning | ExperimentsValidationDiscoveryOptions | DecisionCriteriaScoringTradeoffs | AssumptionsRiskExperimentsValidation |