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| Criterion |  DevOps Blameless Postmortem |  Operations 5 Whys |  Innovation SCAMPER |
|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-90 min | 15-30 min | 30-60 min |
Participantsdifferent | 3-12 | 2-6 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures | SCAMPER Idea List, Concept Shortlist, Variation Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving | BrainstormingIdeationCreativityReframingInnovation |
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