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| Criterion |  Operations Process Mapping |  Operations DMAIC |  Operations 5 Whys |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | 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. | 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 | High | Low | Medium |
Timedifferent | 1-3 h | 2-12 Wochen | 15-30 min | 45-90 min |
Participantsdifferent | 3-10 | 3-10 | 2-6 | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ProcessOperationsImprovement | Continuous improvementQualityProcess improvement | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations |