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| Criterion |  Facilitation Fishbowl Discussion |  Product Discovery Hypothesis Prioritization Canvas |  Facilitation Nominal Group Technique |  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 loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | 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 | 60-120 min | 20-35 min |
Participantsdifferent | 8-80 | 3-8 | 5-12 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Discussion Insights, Observed Tensions, Follow-up Questions | Prioritization Canvas, Hypothesis Backlog | Ranked Ideas, Clarified Options, Group Priority | Test Card with a pre-set threshold |
Tagsno overlap | FacilitationDialogueLarge group | ExperimentsPrioritizationDiscoveryHypothesis | FacilitationPrioritizationVotingInclusion | ExperimentsValidationDiscoveryHypothesis |