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| Criterion |  Operations A3 Problem Solving |  Product Discovery Hypothesis Prioritization Canvas |  Operations ABC Analysis |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-90 min | 60-90 min | 30-60 min | 20-35 min |
Participantsdifferent | 2-5 | 3-8 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Prioritization Canvas, Hypothesis Backlog | ABC Classification, Focus Rules, Control List | Test Card with a pre-set threshold |
Tagsno overlap | LeanProblem solvingCoachingOperations | ExperimentsPrioritizationDiscoveryHypothesis | PrioritizationOperationsPortfolio | ExperimentsValidationDiscoveryHypothesis |