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| Criterion |  Facilitation Timeline |  Facilitation Fishbowl Discussion |  Product Discovery Test Card |  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 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | 45-90 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 2-12 | 8-80 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Timeline, Milestones, Insight Notes | Discussion Insights, Observed Tensions, Follow-up Questions | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | TimelineFacilitationSequence | FacilitationDialogueLarge group | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |