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| Criterion |  Operations Waste Analysis |  Agile WSJF |  Operations 5 Whys |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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 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. | 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 | Low | High | Low | Medium |
Timedifferent | 45-120 min | 45-90 min | 15-30 min | 2-4 h |
Participantsdifferent | 2-8 | 3-10 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Ranked Backlog, Cost-of-Delay Assumptions | Root cause notes, Countermeasures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | WasteLeanProcess improvement | LeanEconomicsSequencePrioritization | Root causeIncidentLeanProblem solving | Root causeSafetyIncident |