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| Criterion |  Operations Barrier Analysis |  Agile WSJF |  Operations Family Tree Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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 many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 | High | Medium | Low |
Timedifferent | 2-4 h | 45-90 min | 2-4 h | 15-30 min |
Participantsdifferent | 2-6 | 3-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Ranked Backlog, Cost-of-Delay Assumptions | Family Tree Diagram, Pattern Notes, Systemic Measures | Root cause notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | LeanEconomicsSequencePrioritization | Root causePatternsIncidentSystemic | Root causeIncidentLeanProblem solving |