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| Criterion |  Product Discovery Experiment Canvas |  Facilitation Fishbowl Discussion |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 45-90 min | 20-35 min |
Participantsdifferent | 1-5 | 8-80 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Completed Experiment Canvas, Success Metric | Discussion Insights, Observed Tensions, Follow-up Questions | Test Card with a pre-set threshold |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | FacilitationDialogueLarge group | ExperimentsValidationDiscoveryHypothesis |
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