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| Criterion |  Business Strategy GAP Analysis |  Product Discovery Smoke Test |  Engineering Goal Question Metric |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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 | Low | Medium | Medium |
Timedifferent | 1-3 h | 1-5 Tage | 90-180 min | 1-5 Tage |
Participantsdifferent | 2-8 | Nutzertraffic | 3-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | Interest Metrics, Conversion Signal, Learning Note | GQM Table, Metric Profiles | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | StrategyAnalysisPlanning | ValidationExperimentsDemandGrowth | MetricsMeasurementEngineeringAlignment | ValidationExperimentsDemandDiscovery |