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| Criterion |  Decision Making Assumption Surfacing |  Engineering Goal Question Metric |  Product Discovery Fake Door Test |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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 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 | 45-90 min | 90-180 min | 1-5 Tage | 45-60 min |
Participantsdifferent | 2-8 | 3-6 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | GQM Table, Metric Profiles | Click Data, Interest Signal, Learning Decision | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | MetricsMeasurementEngineeringAlignment | ValidationExperimentsDemandDiscovery | AssumptionsRiskExperimentsValidation |