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| Criterion |  UX Research User Interviews |  Decision Making Decision Tree |  Decision Making Assumption Surfacing |  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. | 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. | 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. | 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 | Medium | Low | Medium |
Timedifferent | 30–60 min per interview | 30-90 min | 45-90 min | 45-75 min |
Participantsdifferent | 1 participant per interview | 1-6 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Decision Tree, Option Map, Assumption List | Assumption List, Critical Assumptions, Learning Plan | Test Matrix, Test Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DecisionTreeOptions | AssumptionsRiskDecisionDiscovery | ExperimentsValidationDiscoveryOptions |