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| Criterion |  Facilitation Timeline |  Product Discovery Concierge MVP |  Facilitation Nominal Group Technique |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | 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 loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | 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 | Low | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-4 Wochen | 60-120 min | 1-5 Tage |
Participantsdifferent | 2-12 | 3-10 Kunden | 5-12 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Timeline, Milestones, Insight Notes | Concierge Learnings, Service Blueprint, MVP Risks | Ranked Ideas, Clarified Options, Group Priority | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | TimelineFacilitationSequence | MVPValidationServiceDiscovery | FacilitationPrioritizationVotingInclusion | ValidationExperimentsDemandDiscovery |