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| Criterion |  Operations ABC Analysis |  UX Research User Interviews |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-60 min | 30–60 min per interview | 1-5 Tage | 25-40 min |
Participantsdifferent | 1-5 | 1 participant per interview | Nutzertraffic | 1-5 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Interview Notes, Themes, Insight Summary | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | PrioritizationOperationsPortfolio | QualitativeResearchCustomerDiscovery | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |