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| Criterion |  Facilitation Timeline |  Facilitation Fishbowl Discussion |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
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 a controversial topic needs depth and discipline at the same time, Fishbowl Discussion makes the structure of the conversation transparent. The format keeps the core small enough for real dialogue and open enough for controlled turnover. | 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 | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 45-90 min | 1-5 Tage | 25-40 min |
Participantsdifferent | 2-12 | 8-80 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Timeline, Milestones, Insight Notes | Discussion Insights, Observed Tensions, Follow-up Questions | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | TimelineFacilitationSequence | FacilitationDialogueLarge group | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |