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| Criterion |  Operations ABC Analysis |  Operations Causal Factor Analysis |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. | 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 | Low | High | Low |
Timedifferent | 30-60 min | 2-6 h | 15-30 min |
Participantsdifferent | 1-5 | 3-10 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures |
Tagsno overlap | PrioritizationOperationsPortfolio | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving |
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