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| Criterion |  Systems Thinking Futures Wheel |  Agile Specification by Example |  Operations 5 Whys |  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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 60-120 min | 60-90 min pro Feature | 15-30 min | 1-6 Wochen |
Participantsdifferent | 3-10 | 3-6 | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Futures Wheel, Consequence Chains, Strategic Signals | Example Table, Acceptance Tests | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ForesightSystems thinkingSignals | AgileRequirementsExamplesBehavior-Driven Development | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |