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| Criterion |  UX Research User Interviews |  UX Research Customer Journey Mapping |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 2-4 h | 45-60 min |
Participantsdifferent | 1 participant per interview | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Journey Map, Pain-point List, Opportunity Backlog | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | QualitativeResearchCustomerDiscovery | JourneyServiceService design | AssumptionsRiskExperimentsValidation |
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