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| Criterion |  Operations A3 Problem Solving |  Operations RACI Matrix |  Operations Learning Review |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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 | Medium | Low |
Timedifferent | 45-90 min | 45-90 min | 1-3 h | 15-30 min |
Participantsdifferent | 2-5 | 2-8 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | RACI Matrix, Responsibility Map, Decision Notes | Learning Review Notes, System Factors, Improvement Actions | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | RolesResponsibilityGovernanceOperations | LearningRetrospectiveIncidentOperations | Root causeIncidentLeanProblem solving |