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| Criterion |  UX Design Service Blueprinting |  UX Research User Interviews |  Product Discovery MVP Test Matrix |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 0.5-2 Tage | 30–60 min per interview | 45-75 min | 25-40 min |
Participantsdifferent | 6-12 | 1 participant per interview | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Interview Notes, Themes, Insight Summary | Test Matrix, Test Plan | Learning Card with evidence and next action |
Tagsno overlap | Service designOperationsJourneyBlueprint | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryLearning |