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| Criterion |  Decision Making Delphi Method |  Systems Thinking Wardley Mapping |  Operations Root Cause Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | Wardley Mapping makes visible where an offering stands today and where it can evolve. The method connects user need, value chain, and evolution stages into a strategic basis for platform, build, or buy decisions. | 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. | 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 | High | Medium | Medium | High |
Timedifferent | 1-4 Wochen | 1-3 h | 1-4 h | 1-6 Wochen |
Participantsdifferent | 6-30 Experten | 2-10 | 3-8 | 4-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Wardley Map, Strategic Options, Evolution Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ForecastingExpertsDecisionStrategy | StrategySystems thinkingDynamics | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |