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| Criterion |  Operations Fishbone Diagram |  Operations ALPEN Method |  Operations MORT Analysis |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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 | Low | High | Medium |
Timedifferent | 30-60 min | 10-20 min daily | Mehrere Tage bis Wochen | 1-4 h |
Participantsdifferent | 2-8 | 1 | 2-6 | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Daily Plan, Time Estimates, Review Notes | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Root causeQualityOperations | PlanningTime managementProductivityOperations | Root causeSafetySystemicIncident | Root causeProblem solvingQualityIncident |