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| Criterion |  Product Discovery Assumption Mapping |  Operations Causal Factor Analysis |  Growth A/B Testing |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | High | High | Low |
Timedifferent | 45-60 min | 2-6 h | 1-4 Wochen | 15-30 min |
Participantsdifferent | 2-8 | 3-10 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Experiment results, Decision log, Learning summary | Root cause notes, Countermeasures |
Tagsno overlap | AssumptionsRiskExperimentsValidation | CausalityIncidentRoot causeTimeline | ExperimentsGrowthAnalyticsValidation | Root causeIncidentLeanProblem solving |