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| Criterion |  Decision Making Risk Matrix |  UX Research User Interviews |  Product Discovery Fake Door Test |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-60 min | 30–60 min per interview | 1-5 Tage | 45-60 min |
Participantsdifferent | 3-10 | 1 participant per interview | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Interview Notes, Themes, Insight Summary | Click Data, Interest Signal, Learning Decision | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskDecisionPrioritizationAssessment | QualitativeResearchCustomerDiscovery | ValidationExperimentsDemandDiscovery | AssumptionsRiskExperimentsValidation |