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| Criterion |  Delivery RAID Log |  UX Research User Interviews |  Product Discovery Learning Card |  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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Low | Low | Medium |
Timedifferent | 30 min Setup, dann laufend | 30–60 min per interview | 25-40 min | 1-5 Tage |
Participantsdifferent | 1-3 maintaining, briefing for everyone | 1 participant per interview | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | RAID Log, Status Report Source | Interview Notes, Themes, Insight Summary | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | RiskTrackingStakeholdersGovernance | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |