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| Criterion |  Operations Time Blocking |  Product Discovery Problem Interview |  Product Discovery Concierge MVP |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 15-30 min Planung, laufend | 30-60 min je Interview | 1-4 Wochen | 25-40 min |
Participantsdifferent | 1 | 5-12 Interviews | 3-10 Kunden | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Problem Evidence, Risk Notes, Customer Segments | Concierge Learnings, Service Blueprint, MVP Risks | Learning Card with evidence and next action |
Tagsno overlap | PlanningTime managementFocus | DiscoveryInterviewsValidation | MVPValidationServiceDiscovery | ExperimentsValidationDiscoveryLearning |