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| Criterion |  Product Discovery User Story Mapping |  Operations A3 Problem Solving |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When user goals and delivery scope could drift apart, it orders the journey from goal to slice. It makes visible where an MVP can genuinely be cut. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Medium | Medium | Low | Medium |
Timedifferent | 2-4 h | 45-90 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 4-10 | 2-5 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Story Map, Release Slices, Backlog Candidates | A3 Report, Action Plan, Root Cause Analysis | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | BacklogJourneyPlanningMVP | LeanProblem solvingCoachingOperations | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |