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| Criterion |  Delivery Shape Up |  Product Discovery Problem Interview |  Product Discovery Fake Door Test |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | Shape Up helps clarify scope, sequence, and delivery flow. It makes work boundaries and decisions explicit and captures results as pitches, bet-table decisions, and hill charts. | 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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 6 Wochen Cycle + 2 Wochen Cool-Down | 30-60 min je Interview | 1-5 Tage | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-4 pro Pitch | 5-12 Interviews | Nutzertraffic | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Pitches, Bet-table decisions, Hill charts, Cooldown outcomes | Problem Evidence, Risk Notes, Customer Segments | Click Data, Interest Signal, Learning Decision | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | PlanningDeliveryAutonomy | DiscoveryInterviewsValidation | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryAssumptions |