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| Criterion |  Operations Visual Management |  Operations 8D Problem Solving |  Systems Thinking Iceberg Model |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | High | Low | High |
Timedifferent | Ongoing | 1-6 Wochen | 30-60 min | 2-8 h |
Participantsdifferent | 1-20 | 4-10 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | SignalsOperationsVisual management | QualityProblem solvingRoot cause | Systems thinkingRoot causePatterns | Problem solvingRoot causeDecisionOperations |