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| Criterion |  Innovation Double Diamond |  Operations A3 Problem Solving |  Decision Making DACI |  Operations RACI Matrix |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | Wochen bis Monate | 45-90 min | 30-60 min | 45-90 min |
Participantsdifferent | 3-12 | 2-5 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | A3 Report, Action Plan, Root Cause Analysis | DACI Matrix, Decision Owner, Decision Log | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | ProcessDivergenceInnovation | LeanProblem solvingCoachingOperations | DecisionRolesGovernanceAlignment | RolesResponsibilityGovernanceOperations |