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| Criterion |  Operations Waste Analysis |  Agile WSJF |  Operations Barrier Analysis |  Operations Causal Factor 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 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 45-120 min | 45-90 min | 2-4 h | 2-6 h |
Participantsdifferent | 2-8 | 3-10 | 2-6 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Ranked Backlog, Cost-of-Delay Assumptions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | WasteLeanProcess improvement | LeanEconomicsSequencePrioritization | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline |