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| Criterion |  DevOps Blameless Postmortem |  Innovation Round Robin Brainstorming |  Innovation Brainwriting |  Facilitation 1-2-4-All |
|---|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-90 min | 20-45 min | 15-30 min | 10-20 min |
Participantsdifferent | 3-12 | 4-10 | 3-12 | 4-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Idea List, Cluster, Shortlist | Idea sheets, Expanded concepts, Prioritized list | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingCollaborationInclusionIdeas | FacilitationInclusionIdeation |