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Criterion
Paper illustration of a branching impact map with a Why goal at the root, actor circles, How behavior changes and What options.
Product Strategy
Impact Mapping
Paper illustration of DIBB with its method-specific working model.
Product Strategy
DIBB
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Purposedifferent
When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures.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.In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures.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
MediumLowLowLow
Timedifferent
45-90 min1-2 h20–45 min45-90 min
Participantsdifferent
3-82-8Small cross-functional group2-8
Formatdifferent
WorkshopWorkshop + asyncWorkshopWorkshop + async
Outputdifferent
Impact Map, Outcome Hypotheses, Delivery OptionsDIBB document, Belief list, Bet list, Learning reportRisk list, Mitigation plan, Assumption logAssumption List, Critical Assumptions, Learning Plan
Tagsno overlap
OutcomesStrategyBehaviorPlanning
StrategyDecisionAssumptionsHypothesis
RiskDecisionFailurePlanning
AssumptionsRiskDecisionDiscovery
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