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| Criterion |  Decision Making Three-Point Estimation |  Product Strategy GIST Planning |  Growth A/B Testing |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | Medium | Medium | High | Medium |
Timedifferent | 10-30 min je Item | Wochen bis Monate je Goal | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | 1-8 | 3-10 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Goals, Idea bank, Step-project list, Tasks, Learning reports | Experiment results, Decision log, Learning summary | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | EstimationUncertaintyForecasting | RoadmapOutcomesPlanningExperiments | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandDiscovery |