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| Criterion |  Architecture Architecture Decision Record |  Product Strategy DIBB |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-45 min | 1-2 h | 45-60 min |
Participantsdifferent | 1-3 | 2-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | DIBB document, Belief list, Bet list, Learning report | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | StrategyDecisionAssumptionsHypothesis | AssumptionsRiskExperimentsValidation |
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