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| Criterion |  Operations Accountability Ladder |  Product Discovery Problem Interview |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-45 min | 30-60 min je Interview | 1-5 Tage |
Participantsdifferent | 1-8 | 5-12 Interviews | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Problem Evidence, Risk Notes, Customer Segments | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ResponsibilityLeadershipTeam | DiscoveryInterviewsValidation | ValidationExperimentsDemandDiscovery |
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