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| Criterion |  UX Research Customer Journey Mapping |  Growth A/B Testing |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 | High | Medium |
Timedifferent | 2-4 h | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | 4-10 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop | Async | Async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Experiment results, Decision log, Learning summary | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | JourneyServiceService design | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandDiscovery |
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