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| Criterion |  Decision Making Decision Tree |  UX Research User Interviews |  Product Discovery Opportunity Interview |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | 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 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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 30-90 min | 30–60 min per interview | 30-60 min je Interview | 45-75 min |
Participantsdifferent | 1-6 | 1 participant per interview | 5-12 Interviews | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Decision Tree, Option Map, Assumption List | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes | Test Matrix, Test Plan |
Tagsno overlap | DecisionTreeOptions | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer | ExperimentsValidationDiscoveryOptions |