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| Criterion |  Product Strategy DIBB |  UX Design Customer Journey Canvas |  Product Discovery Test Card |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 1-2 h | 1-3 h | 20-35 min | 45-90 min |
Participantsdifferent | 2-8 | 3-10 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | Customer Journey Canvas, Pain Points, Experience Opportunities | Test Card with a pre-set threshold | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | JourneyCustomerService designCanvas | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskDecisionDiscovery |