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| Criterion |  Operations Bottleneck Analysis |  Operations 5 Whys |  Delivery Value Stream Mapping |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | 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. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 h | 15-30 min | 1-3 h | 45-90 min |
Participantsdifferent | 3-8 | 2-6 | 4-10 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Root cause notes, Countermeasures | Current-state map, Future-state map, Bottleneck list | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | FlowMeasurementConstraints | Root causeIncidentLeanProblem solving | LeanFlowWasteDelivery | LeanProblem solvingCoachingOperations |