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| Criterion |  Product Strategy Lean Canvas |  Operations A3 Problem Solving |  Product Discovery Fake Door Test |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 45-90 min | 1-5 Tage | 45-60 min |
Participantsdifferent | 1-6 | 2-5 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | A3 Report, Action Plan, Root Cause Analysis | Click Data, Interest Signal, Learning Decision | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | StartupLeanAssumptionsBusiness model | LeanProblem solvingCoachingOperations | ValidationExperimentsDemandDiscovery | AssumptionsRiskExperimentsValidation |