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| Criterion |  Product Strategy RICE Scoring |  DevOps Blameless Postmortem |  Systems Thinking Current Reality Tree |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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 | High | Low |
Timedifferent | 60-90 min | 30-90 min | 2-6 h | 15-30 min |
Participantsdifferent | 2-10 | 3-12 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | RICE Scores, Ranked List, Assumption Log | Postmortem Doc, Action Items, Timeline | Current Reality Tree, Core Problems, Intervention Ideas | Root cause notes, Countermeasures |
Tagsno overlap | PrioritizationScoringRoadmapTradeoffs | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingRoot causeConstraintsCausality | Root causeIncidentLeanProblem solving |