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| Criterion |  Decision Making Decision Matrix |  UX Research User Interviews |  Product Discovery Learning Card |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-90 min | 30–60 min per interview | 25-40 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | 1 participant per interview | 1-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Interview Notes, Themes, Insight Summary | Learning Card with evidence and next action | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryAssumptions |