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| Criterion |  Operations Visual Management |  Operations 8D Problem Solving |  Operations 5 Whys |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | Ongoing | 1-6 Wochen | 15-30 min | 30-60 min |
Participantsdifferent | 1-20 | 4-10 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | SignalsOperationsVisual management | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving | Root causeQualityOperations |