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| Criterion |  Innovation Double Diamond |  Operations RACI Matrix |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | Wochen bis Monate | 45-90 min | 2-8 h | 15-30 min |
Participantsdifferent | 3-12 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | RACI Matrix, Responsibility Map, Decision Notes | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | RolesResponsibilityGovernanceOperations | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |