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| Criterion |  DevOps Incident Command |  Operations Causal Factor Analysis |  Operations After-Action Review |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Low | Low |
Timedifferent | As needed | 2-6 h | 20-45 min | 15-30 min |
Participantsdifferent | 4-15 | 3-10 | 3-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Lessons learned, Action items, Event summary | Root cause notes, Countermeasures |
Tagsno overlap | IncidentOperationsReliability | CausalityIncidentRoot causeTimeline | LearningOperationsImprovement | Root causeIncidentLeanProblem solving |