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| Criterion |  Product Discovery Assumption Mapping |  Operations 5 Whys |  Product Strategy DIBB |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-60 min | 15-30 min | 1-2 h |
Participantsdifferent | 2-8 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Root cause notes, Countermeasures | DIBB document, Belief list, Bet list, Learning report |
Tagsno overlap | AssumptionsRiskExperimentsValidation | Root causeIncidentLeanProblem solving | StrategyDecisionAssumptionsHypothesis |
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