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| Criterion |  Facilitation World Café |  Product Discovery Opportunity Solution Tree |  Product Discovery Test Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When a group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 60-180 min | 1-2 h Setup, laufend | 20-35 min | 30-60 min |
Participantsdifferent | 12-100+ | 2-6 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Table Notes, Emergent Themes, Shared Questions | Opportunity Solution Tree, Experiment Backlog, Learning Log | Test Card with a pre-set threshold | Completed Experiment Canvas, Success Metric |
Tagsno overlap | FacilitationDialogueLarge groupSensemaking | DiscoveryOutcomesExperimentsOpportunity | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |