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| Criterion |  Operations Change Analysis |  Operations ALPEN Method |  Operations Barrier Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 45-120 min | 10-20 min daily | 2-4 h | 2-6 h |
Participantsdifferent | 2-6 | 1 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Daily Plan, Time Estimates, Review Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | PlanningTime managementProductivityOperations | Root causeSafetyIncident | RiskQualityOperationsRoot cause |