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| Criterion |  Decision Making Delphi Method |  Operations Causal Factor Analysis |  Operations A3 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | High | High | Medium |
Timedifferent | 1-4 Wochen | 2-6 h | 45-90 min |
Participantsdifferent | 6-30 Experten | 3-10 | 2-5 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ForecastingExpertsDecisionStrategy | CausalityIncidentRoot causeTimeline | LeanProblem solvingCoachingOperations |
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