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| Criterion |  Operations 5 Whys |  Systems Thinking Iceberg Model |
|---|---|---|
Purposedifferent | 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. | 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. |
Complexitysame | Low | Low |
Timedifferent | 15-30 min | 30-60 min |
Participantsdifferent | 2-6 | 2-10 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tags1 shared | Root causeIncidentLeanProblem solving | Systems thinkingRoot causePatterns |
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