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| Criterion |  Business Strategy GAP Analysis |  Architecture Architecture Decision Record |  Product Strategy DIBB |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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. | 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 | Medium | Low | Low | Low |
Timedifferent | 1-3 h | 15-45 min | 1-2 h | 45-90 min |
Participantsdifferent | 2-8 | 1-3 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | ADR File, Decision Log, Rationale | DIBB document, Belief list, Bet list, Learning report | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | StrategyAnalysisPlanning | ArchitectureRationaleDocumentationGovernance | StrategyDecisionAssumptionsHypothesis | AssumptionsRiskDecisionDiscovery |