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| Criterion |  Innovation TRIZ |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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 | High | Low | Medium |
Timedifferent | 1-4 h | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Contradiction Statement, Inventive Principles, Solution Concepts | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | InnovationProblem solvingContradictionsCreativity | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |
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