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| Criterion |  Product Strategy Lean Canvas |  Product Discovery Assumption Mapping |  Operations 5 Whys |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-90 min | 45-60 min | 15-30 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 1-6 | 2-8 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Assumption map, Test backlog, Risk ranking | Root cause notes, Countermeasures | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | StartupLeanAssumptionsBusiness model | AssumptionsRiskExperimentsValidation | Root causeIncidentLeanProblem solving | ExperimentsValidationDiscoveryAssumptions |