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| Criterion |  Product Strategy Impact Mapping |  Architecture Architecture Decision Record |  Operations 5 Whys |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | 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. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-90 min | 15-45 min | 15-30 min | 45-90 min |
Participantsdifferent | 3-8 | 1-3 | 2-6 | 2-5 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Impact Map, Outcome Hypotheses, Delivery Options | ADR File, Decision Log, Rationale | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | OutcomesStrategyBehaviorPlanning | ArchitectureRationaleDocumentationGovernance | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations |