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| Criterion |  Delivery Value Stream Mapping |  Operations 5 Whys |  Delivery Cost of Delay |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-3 h | 15-30 min | 90-180 min | 1-4 h |
Participantsdifferent | 4-10 | 2-6 | 3-8 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Root cause notes, Countermeasures | CoD Table, Prioritization Sequence | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LeanFlowWasteDelivery | Root causeIncidentLeanProblem solving | PrioritizationDeliveryEconomicsDecision | Root causeProblem solvingQualityIncident |