View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  Decision Making Delphi Method |  Operations Root Cause Analysis |  Decision Making Decision Rights Mapping |  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. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 1-4 h | 90-180 min | 15-30 min |
Participantsdifferent | 6-30 Experten | 3-8 | 4-12 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Decision Rights Matrix, Agreement | Root cause notes, Countermeasures |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Root causeProblem solvingQualityIncident | DecisionGovernanceAlignmentResponsibility | Root causeIncidentLeanProblem solving |