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| Criterion |  Operations 8D Problem Solving |  Operations Root Cause Analysis |  Engineering Goal Question Metric |
|---|---|---|---|
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. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-6 Wochen | 1-4 h | 90-180 min |
Participantsdifferent | 4-10 | 3-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | GQM Table, Metric Profiles |
Tagsno overlap | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident | MetricsMeasurementEngineeringAlignment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
