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| Criterion |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |  Decision Making Decision Matrix |
|---|---|---|---|
Purposedifferent | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 30-60 min | 2-6 h | 45-90 min |
Participantsdifferent | 2-8 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | Root causeQualityOperations | RiskQualityOperationsRoot cause | DecisionCriteriaScoringTradeoffs |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
