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| Criterion |  Operations Root Cause Analysis |  Decision Making Constraint Analysis |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-4 h | 30-90 min | 2-4 h |
Participantsdifferent | 3-8 | 2-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeProblem solvingQualityIncident | ConstraintsDecisionPlanningOptions | Root causeSafetyIncident |
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