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| Criterion |  Operations 5 Whys |  Decision Making Delphi Method |
|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | High |
Timedifferent | 15-30 min | 1-4 Wochen |
Participantsdifferent | 2-6 | 6-30 Experten |
Formatdifferent | Workshop | Async |
Outputdifferent | Root cause notes, Countermeasures | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | Root causeIncidentLeanProblem solving | ForecastingExpertsDecisionStrategy |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
