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| Criterion |  Operations A3 Problem Solving |  Innovation TRIZ |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | 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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 45-90 min | 1-4 h | 30-60 min |
Participantsdifferent | 2-5 | 2-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Contradiction Statement, Inventive Principles, Solution Concepts | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | LeanProblem solvingCoachingOperations | InnovationProblem solvingContradictionsCreativity | DecisionRolesGovernanceAlignment |
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