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| Criterion |  Decision Making Delphi Method |  Operations After-Action Review |  Operations Learning Review |  Agile Sprint Retrospective |
|---|---|---|---|---|
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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 20-45 min | 1-3 h | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter |
Participantsdifferent | 6-30 Experten | 3-12 | 3-10 | Scrum Team |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Lessons learned, Action items, Event summary | Learning Review Notes, System Factors, Improvement Actions | Improvement actions, Team agreements |
Tagsno overlap | ForecastingExpertsDecisionStrategy | LearningOperationsImprovement | LearningRetrospectiveIncidentOperations | RetrospectiveImprovementLearning |