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| Criterion |  Systems Thinking Behavior Over Time Graph |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | 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 | 20-45 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 1-10 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Behavior Over Time Graph, Trend Hypotheses, Key Events | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Systems thinkingPatternsDynamics | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |
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