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| Criterion |  Product Strategy DIBB |  Operations A3 Problem Solving |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-2 h | 45-90 min | 20-35 min |
Participantsdifferent | 2-8 | 2-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | A3 Report, Action Plan, Root Cause Analysis | Test Card with a pre-set threshold |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | LeanProblem solvingCoachingOperations | ExperimentsValidationDiscoveryHypothesis |
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