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| Criterion |  Product Discovery Problem Interview |  Operations Causal Factor Analysis |  Product Discovery Concierge MVP |
|---|---|---|---|
Purposedifferent | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 2-6 h | 1-4 Wochen |
Participantsdifferent | 5-12 Interviews | 3-10 | 3-10 Kunden |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | DiscoveryInterviewsValidation | CausalityIncidentRoot causeTimeline | MVPValidationServiceDiscovery |
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