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| Criterion |  Product Discovery Smoke Test |  Innovation Reverse Brainstorming |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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 | 1-5 Tage | 30-60 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 3-12 | Nutzertraffic |
Formatdifferent | Async | Workshop | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Reverse Ideas, Risk Themes, Solution Ideas | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | BrainstormingIdeationCreativityRisk | ValidationExperimentsDemandDiscovery |
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