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| Criterion |  Operations A3 Problem Solving |  Delivery Value Stream Mapping |  Operations Kepner-Tregoe |  Delivery Cost of Delay |
|---|---|---|---|---|
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. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 45-90 min | 1-3 h | 2-8 h | 90-180 min |
Participantsdifferent | 2-5 | 4-10 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Current-state map, Future-state map, Bottleneck list | Problem Analysis, Decision Analysis, Risk Plan | CoD Table, Prioritization Sequence |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanFlowWasteDelivery | Problem solvingRoot causeDecisionOperations | PrioritizationDeliveryEconomicsDecision |