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| Criterion |  Systems Thinking Futures Wheel |  Operations 5 Whys |  Systems Thinking Current Reality Tree |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | The Futures Wheel helps explore the consequences of a decision, a trend, or a strategic move in a structured way. It makes visible which first, second, and third-order effects could arise from an event. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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 | Medium | Low | High | High |
Timedifferent | 60-120 min | 15-30 min | 2-6 h | 1-6 Wochen |
Participantsdifferent | 3-10 | 2-6 | 3-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Futures Wheel, Consequence Chains, Strategic Signals | Root cause notes, Countermeasures | Current Reality Tree, Core Problems, Intervention Ideas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ForesightSystems thinkingSignals | Root causeIncidentLeanProblem solving | Systems thinkingRoot causeConstraintsCausality | QualityProblem solvingRoot cause |