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| Criterion | ![]() Systems Thinking Polarity Mapping | ![]() DevOps Blameless Postmortem | ![]() Decision Making Assumption Surfacing | ![]() Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | Polarity Mapping makes tensions between two opposing poles tangible, such as standardization and adaptation or control and autonomy. The method guards against making apparent either-or decisions prematurely. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-2 h | 30-90 min | 45-90 min | 45-60 min |
Participantsdifferent | 3-12 | 3-12 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Polarity Map, Warning Signs, Balance Actions | Postmortem Doc, Action Items, Timeline | Assumption List, Critical Assumptions, Learning Plan | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Systems thinkingTradeoffsLeadership | Site Reliability EngineeringIncidentLearningReliability | AssumptionsRiskDecisionDiscovery | AssumptionsRiskExperimentsValidation |



