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| Criterion |  Delivery Value Stream Mapping |  Systems Thinking Iceberg Model |  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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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 | Medium |
Timedifferent | 1-3 h | 30-60 min | 1-4 h |
Participantsdifferent | 4-10 | 2-10 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LeanFlowWasteDelivery | Systems thinkingRoot causePatterns | Root causeProblem solvingQualityIncident |
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