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| Criterion |  Operations RACI Matrix |  Operations Kepner-Tregoe |  Decision Making Delphi Method |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 | Low | High | High | Low |
Timedifferent | 45-90 min | 2-8 h | 1-4 Wochen | 15-30 min |
Participantsdifferent | 2-8 | 2-8 | 6-30 Experten | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Problem Analysis, Decision Analysis, Risk Plan | Expert Forecast, Consensus Range, Assumption Notes | Root cause notes, Countermeasures |
Tagsno overlap | RolesResponsibilityGovernanceOperations | Problem solvingRoot causeDecisionOperations | ForecastingExpertsDecisionStrategy | Root causeIncidentLeanProblem solving |