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| Criterion |  Operations Change Analysis |  Product Discovery Concierge MVP |  UX Research User Interviews |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-120 min | 1-4 Wochen | 30–60 min per interview | 25-40 min |
Participantsdifferent | 2-6 | 3-10 Kunden | 1 participant per interview | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Concierge Learnings, Service Blueprint, MVP Risks | Interview Notes, Themes, Insight Summary | Learning Card with evidence and next action |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | MVPValidationServiceDiscovery | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryLearning |