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| Criterion |  Operations A3 Problem Solving |  Product Discovery Concierge MVP |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-4 Wochen | 20-35 min |
Participantsdifferent | 2-5 | 3-10 Kunden | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Concierge Learnings, Service Blueprint, MVP Risks | Test Card with a pre-set threshold |
Tagsno overlap | LeanProblem solvingCoachingOperations | MVPValidationServiceDiscovery | ExperimentsValidationDiscoveryHypothesis |
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