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| Criterion |  UX Research User Interviews |  Decision Making Pre-Mortem |  Decision Making Decision Tree |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | 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. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 20–45 min | 30-90 min | 45-75 min |
Participantsdifferent | 1 participant per interview | Small cross-functional group | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Risk list, Mitigation plan, Assumption log | Decision Tree, Option Map, Assumption List | Test Matrix, Test Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | RiskDecisionFailurePlanning | DecisionTreeOptions | ExperimentsValidationDiscoveryOptions |