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| Criterion |  Product Discovery Fake Door Test |  Product Strategy Impact Mapping |  Product Discovery Smoke Test |  Product Strategy GIST Planning |
|---|---|---|---|---|
Purposedifferent | 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. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-5 Tage | 45-90 min | 1-5 Tage | Wochen bis Monate je Goal |
Participantsdifferent | Nutzertraffic | 3-8 | Nutzertraffic | 3-10 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Impact Map, Outcome Hypotheses, Delivery Options | Interest Metrics, Conversion Signal, Learning Note | Goals, Idea bank, Step-project list, Tasks, Learning reports |
Tagsno overlap | ValidationExperimentsDemandDiscovery | OutcomesStrategyBehaviorPlanning | ValidationExperimentsDemandGrowth | RoadmapOutcomesPlanningExperiments |