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| Criterion |  Operations Fishbone Diagram |  Facilitation Alignment Mapping |  Operations 5 Whys |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 30-60 min | 1-2 h | 15-30 min | 2-6 h |
Participantsdifferent | 2-8 | 4-12 | 2-6 | 3-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Alignment Map, Open Issues, Decision Questions | Root cause notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Root causeQualityOperations | AlignmentStakeholdersStrategyFacilitation | Root causeIncidentLeanProblem solving | RiskQualityOperationsRoot cause |