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| Criterion |  Operations 5 Whys |  Operations 8D Problem Solving |  Decision Making OODA Loop |  Decision Making Force Field Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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. | In dynamic situations, decisions become outdated faster than they can be prepared.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. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 15-30 min | 1-6 Wochen | 15-60 min je Zyklus | 45-90 min |
Participantsdifferent | 2-6 | 4-10 | 1-8 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Situation Assessment, Decision Loop, Action Updates | Force Field Map, Change Levers, Risk Notes |
Tagsno overlap | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause | DecisionChangeLearningStrategy | ChangeDecisionStrategy |