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| Criterion |  UX Research Personas |  Operations Failure Mode and Effects Analysis |  UX Research User Interviews |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Tage | 2-6 h | 30–60 min per interview | 45-90 min |
Participantsdifferent | Internes Team | 3-10 | 1 participant per interview | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | FMEA Table, Risk Priority, Mitigation Actions | Interview Notes, Themes, Insight Summary | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ResearchCustomerSynthesis | RiskQualityOperationsRoot cause | QualitativeResearchCustomerDiscovery | AssumptionsRiskDecisionDiscovery |