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| Criterion |  UX Research User Interviews |  Decision Making Decision Tree |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 30-90 min | 20–45 min |
Participantsdifferent | 1 participant per interview | 1-6 | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Decision Tree, Option Map, Assumption List | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DecisionTreeOptions | RiskDecisionFailurePlanning |
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