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| Criterion |  Product Strategy Lean Canvas |  UX Research User Interviews |  Product Discovery Opportunity Interview |  Product Discovery Opportunity Solution Tree |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 45-90 min | 30–60 min per interview | 30-60 min je Interview | 1-2 h Setup, laufend |
Participantsdifferent | 1-6 | 1 participant per interview | 5-12 Interviews | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes | Opportunity Solution Tree, Experiment Backlog, Learning Log |
Tagsno overlap | StartupLeanAssumptionsBusiness model | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer | DiscoveryOutcomesExperimentsOpportunity |