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| Criterion |  Delivery Cost of Delay |  Operations Fishbone Diagram |  Operations Change Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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 deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | High | Low | Medium | High |
Timedifferent | 90-180 min | 30-60 min | 45-120 min | 2-8 h |
Participantsdifferent | 3-8 | 2-8 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | CoD Table, Prioritization Sequence | Fishbone Diagram, Cause Categories, Investigation Backlog | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | PrioritizationDeliveryEconomicsDecision | Root causeQualityOperations | ChangeRoot causeTroubleshootingComparison | Problem solvingRoot causeDecisionOperations |