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| Criterion |  Product Discovery Smoke Test |  Growth North Star Metric |  Product Discovery MVP Test Matrix |
|---|---|---|---|
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. | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 1-5 Tage | 1-2 h | 45-75 min |
Participantsdifferent | Nutzertraffic | 3-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | North Star metric, Input metric tree, Measurement cadence | Test Matrix, Test Plan |
Tagsno overlap | ValidationExperimentsDemandGrowth | GrowthMetricsAlignmentRetention | ExperimentsValidationDiscoveryOptions |
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