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| Criterion |  Delivery RAID Log |  UX Research Surveys |  Product Discovery Experiment Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30 min Setup, dann laufend | 3-14 Tage | 30-60 min | 1-5 Tage |
Participantsdifferent | 1-3 maintaining, briefing for everyone | 50+ | 1-5 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | RAID Log, Status Report Source | Survey Results, Charts, Segment Insights | Completed Experiment Canvas, Success Metric | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | RiskTrackingStakeholdersGovernance | QuantitativeResearchValidation | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |