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| Criterion |  Operations RACI Matrix |  Operations Failure Mode and Effects Analysis |  Operations Barrier Analysis |  Operations Root Cause Analysis |
|---|---|---|---|---|
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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 45-90 min | 2-6 h | 2-4 h | 1-4 h |
Participantsdifferent | 2-8 | 3-10 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | FMEA Table, Risk Priority, Mitigation Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | RolesResponsibilityGovernanceOperations | RiskQualityOperationsRoot cause | Root causeSafetyIncident | Root causeProblem solvingQualityIncident |