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| Criterion |  Product Discovery Concierge MVP |  Facilitation 1-2-4-All |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 10-20 min | 1-5 Tage | 25-40 min |
Participantsdifferent | 3-10 Kunden | 4-100+ | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Concierge Learnings, Service Blueprint, MVP Risks | Idea List, Shared Insights, Emergent Themes | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | MVPValidationServiceDiscovery | FacilitationInclusionIdeation | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |