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| Criterion |  UX Research User Interviews |  Innovation Design Thinking |  Product Discovery Learning Card |  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 complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | High | Low | Medium |
Timedifferent | 30–60 min per interview | 1 Tag bis mehrere Wochen | 25-40 min | 45-75 min |
Participantsdifferent | 1 participant per interview | 4-10 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Problem Statement, Prototype, Test Learnings | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | InnovationPrototypeResearch | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |