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| Criterion |  Operations Scatter Diagram |  Operations Standard Work Analysis |  Operations Root Cause Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 30-90 min | 1-3 h | 1-4 h | 1-6 Wochen |
Participantsdifferent | 1-4 | 2-6 | 3-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tags1 shared | Root causeQualityVisualization | LeanProcessQuality | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |