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| Criterion |  Facilitation Timeline |  Product Discovery Opportunity Solution Tree |  Facilitation 1-2-4-All |  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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30-90 min | 1-2 h Setup, laufend | 10-20 min | 1-5 Tage |
Participantsdifferent | 2-12 | 2-6 | 4-100+ | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Timeline, Milestones, Insight Notes | Opportunity Solution Tree, Experiment Backlog, Learning Log | Idea List, Shared Insights, Emergent Themes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | TimelineFacilitationSequence | DiscoveryOutcomesExperimentsOpportunity | FacilitationInclusionIdeation | ValidationExperimentsDemandDiscovery |