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| Criterion |  Decision Making RAPID |  Operations 5 Whys |  Decision Making Delphi Method |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. | 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 | Low | High | High |
Timedifferent | 45-90 min | 15-30 min | 1-4 Wochen | 1-6 Wochen |
Participantsdifferent | 3-12 | 2-6 | 6-30 Experten | 4-10 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Root cause notes, Countermeasures | Expert Forecast, Consensus Range, Assumption Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | DecisionRolesGovernance | Root causeIncidentLeanProblem solving | ForecastingExpertsDecisionStrategy | QualityProblem solvingRoot cause |