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| Criterion |  Product Strategy Lean Canvas |  Operations 8D Problem Solving |  Product Discovery Experiment Canvas |  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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 45-90 min | 1-6 Wochen | 30-60 min | 45-60 min |
Participantsdifferent | 1-6 | 4-10 | 1-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Completed Experiment Canvas, Success Metric | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | StartupLeanAssumptionsBusiness model | QualityProblem solvingRoot cause | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskExperimentsValidation |