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| Criterion |  Decision Making Delphi Method |  UX Research Customer Journey Mapping |  Growth A/B Testing |  Product Discovery Concierge MVP |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | 1-4 Wochen | 2-4 h | 1-4 Wochen | 1-4 Wochen |
Participantsdifferent | 6-30 Experten | 4-10 | 1-6 | 3-10 Kunden |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Journey Map, Pain-point List, Opportunity Backlog | Experiment results, Decision log, Learning summary | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | ForecastingExpertsDecisionStrategy | JourneyServiceService design | ExperimentsGrowthAnalyticsValidation | MVPValidationServiceDiscovery |