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| Criterion |  Decision Making Constraint Analysis |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|
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 only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-90 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |
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