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| Criterion |  Product Discovery Opportunity Solution Tree |  UX Research User Interviews |  Product Discovery Test Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 | Low | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 30–60 min per interview | 20-35 min | 30-60 min |
Participantsdifferent | 2-6 | 1 participant per interview | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | Interview Notes, Themes, Insight Summary | Test Card with a pre-set threshold | Completed Experiment Canvas, Success Metric |
Tags1 shared | DiscoveryOutcomesExperimentsOpportunity | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |