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| Criterion |  Decision Making Pre-Mortem |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |  Decision Making Constraint Analysis |
|---|---|---|---|---|
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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 20–45 min | 45-75 min | 1-5 Tage | 30-90 min |
Participantsdifferent | Small cross-functional group | 2-8 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | RiskDecisionFailurePlanning | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery | ConstraintsDecisionPlanningOptions |