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| Criterion |  Facilitation Timeline |  UX Research User Interviews |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | 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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 30–60 min per interview | 20-35 min | 25-40 min |
Participantsdifferent | 2-12 | 1 participant per interview | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Timeline, Milestones, Insight Notes | Interview Notes, Themes, Insight Summary | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | TimelineFacilitationSequence | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |