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| Criterion |  Systems Thinking Current Reality Tree |  Product Discovery Assumption Mapping |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | High | Medium | Low |
Timedifferent | 2-6 h | 45-60 min | 15-30 min |
Participantsdifferent | 3-8 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Assumption map, Test backlog, Risk ranking | Root cause notes, Countermeasures |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | AssumptionsRiskExperimentsValidation | Root causeIncidentLeanProblem solving |
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