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| Criterion |  Innovation Rapid Ideation |  DevOps Blameless Postmortem |  Operations Causal Factor Analysis |
|---|---|---|---|
Purposedifferent | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 5-20 min | 30-90 min | 2-6 h |
Participantsdifferent | 1-20 | 3-12 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Ideenpool, Roh-Shortlist, Cluster | Postmortem Doc, Action Items, Timeline | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | BrainstormingIdeationDivergenceSpeed | Site Reliability EngineeringIncidentLearningReliability | CausalityIncidentRoot causeTimeline |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
