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| Criterion |  Operations A3 Problem Solving |  Operations ABC Analysis |  Delivery Cost of Delay |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. | 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 | Medium | Low | High | High |
Timedifferent | 45-90 min | 30-60 min | 90-180 min | 2-8 h |
Participantsdifferent | 2-5 | 1-5 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | ABC Classification, Focus Rules, Control List | CoD Table, Prioritization Sequence | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | PrioritizationOperationsPortfolio | PrioritizationDeliveryEconomicsDecision | Problem solvingRoot causeDecisionOperations |