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| Criterion |  Decision Making Wideband Delphi |  Operations Learning Review |  Decision Making Delphi Method |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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 sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | 1-4 h or multiple rounds | 1-3 h | 1-4 Wochen | 45–75 min |
Participantsdifferent | 4-12 Experten | 3-10 | 6-30 Experten | Team members involved |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Learning Review Notes, System Factors, Improvement Actions | Expert Forecast, Consensus Range, Assumption Notes | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | EstimationExpertsForecasting | LearningRetrospectiveIncidentOperations | ForecastingExpertsDecisionStrategy | RetrospectiveLearningReflectionTeam |