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| Criterion |  Operations Process Mapping |  Operations Fishbone Diagram |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 1-3 h | 30-60 min | 2-6 h |
Participantsdifferent | 3-10 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Fishbone Diagram, Cause Categories, Investigation Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | ProcessOperationsImprovement | Root causeQualityOperations | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
