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| Criterion |  UX Research User Interviews |  Product Discovery Opportunity Solution Tree |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | 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 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 1-2 h Setup, laufend | 45-120 min |
Participantsdifferent | 1 participant per interview | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Opportunity Solution Tree, Experiment Backlog, Learning Log | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryOutcomesExperimentsOpportunity | ChangeRoot causeTroubleshootingComparison |
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