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| Criterion | ![]() Facilitation Nominal Group Technique | ![]() Operations After-Action Review | ![]() Operations ABC Analysis | ![]() Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 60-120 min | 20-45 min | 30-60 min | 1-3 h |
Participantsdifferent | 5-12 | 3-12 | 1-5 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Lessons learned, Action items, Event summary | ABC Classification, Focus Rules, Control List | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | LearningOperationsImprovement | PrioritizationOperationsPortfolio | LearningRetrospectiveIncidentOperations |



