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| Criterion |  Operations 8D Problem Solving |  Operations Failure Mode and Effects Analysis |  Decision Making OODA Loop |  Operations Fishbone 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | High | Medium | Low |
Timedifferent | 1-6 Wochen | 2-6 h | 15-60 min je Zyklus | 30-60 min |
Participantsdifferent | 4-10 | 3-10 | 1-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | FMEA Table, Risk Priority, Mitigation Actions | Situation Assessment, Decision Loop, Action Updates | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | QualityProblem solvingRoot cause | RiskQualityOperationsRoot cause | DecisionChangeLearningStrategy | Root causeQualityOperations |