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| Criterion |  Facilitation Timeline |  Facilitation Fishbowl Discussion |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-90 min | 45-90 min | 1-5 Tage | 45-75 min |
Participantsdifferent | 2-12 | 8-80 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Discussion Insights, Observed Tensions, Follow-up Questions | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | TimelineFacilitationSequence | FacilitationDialogueLarge group | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |