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| Criterion |  Facilitation Fishbowl Discussion |  Product Discovery Hypothesis Prioritization Canvas |  Product Discovery MVP Test Matrix |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 60-90 min | 45-75 min | 20-35 min |
Participantsdifferent | 8-80 | 3-8 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Discussion Insights, Observed Tensions, Follow-up Questions | Prioritization Canvas, Hypothesis Backlog | Test Matrix, Test Plan | Test Card with a pre-set threshold |
Tagsno overlap | FacilitationDialogueLarge group | ExperimentsPrioritizationDiscoveryHypothesis | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |