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| Criterion |  Decision Making Constraint Analysis |  Product Discovery Fake Door Test |  Product Discovery Riskiest Assumption Test |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | 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 idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-5 Tage | 1-2 Wochen pro Iteration | 45-90 min |
Participantsdifferent | 2-8 | Nutzertraffic | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Click Data, Interest Signal, Learning Decision | Prioritized Assumption List, Test Plan, Results Report | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryAssumptions | AssumptionsRiskDecisionDiscovery |