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| Criterion |  Operations Causal Factor Analysis |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|
Purposedifferent | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-6 h | 1-5 Tage | 25-40 min |
Participantsdifferent | 3-10 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | CausalityIncidentRoot causeTimeline | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |
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