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| Criterion |  Decision Making Delphi Method |  Operations MORT Analysis |  Product Strategy DIBB |  Operations 5 Whys |
|---|---|---|---|---|
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. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. |
Complexitydifferent | High | High | Low | Low |
Timedifferent | 1-4 Wochen | Mehrere Tage bis Wochen | 1-2 h | 15-30 min |
Participantsdifferent | 6-30 Experten | 2-6 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | DIBB document, Belief list, Bet list, Learning report | Root cause notes, Countermeasures |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Root causeSafetySystemicIncident | StrategyDecisionAssumptionsHypothesis | Root causeIncidentLeanProblem solving |