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| Criterion |  DevOps Incident Timeline Analysis |  Operations Barrier Analysis |  Innovation Morphological Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 60-180 min | 2-4 h | 1-3 h | 15-30 min |
Participantsdifferent | 3-10 | 2-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Morphological Box, Concept Combinations, Idea Shortlist | Root cause notes, Countermeasures |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | Root causeSafetyIncident | IdeationInnovationCreativity | Root causeIncidentLeanProblem solving |