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| Criterion |  Operations 8D Problem Solving |  Systems Thinking Rich Picture |  Operations Root Cause Analysis |  Operations Scatter Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | A Rich Picture brings an unclear situation onto a shared drawing. It captures actors, tensions, information flows, and blind spots before the team jumps to solutions too early. | 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. | 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. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 1-6 Wochen | 30-90 min | 1-4 h | 30-90 min |
Participantsdifferent | 4-10 | 2-10 | 3-8 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Rich Picture, Problem Framing Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tagsno overlap | QualityProblem solvingRoot cause | Systems thinkingSoft systemsFramingVisualization | Root causeProblem solvingQualityIncident | Root causeQualityVisualization |