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| Criterion |  Facilitation Timeline |  UX Research User Interviews |  Product Discovery MVP Test Matrix |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-90 min | 30–60 min per interview | 45-75 min | 30-60 min |
Participantsdifferent | 2-12 | 1 participant per interview | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Timeline, Milestones, Insight Notes | Interview Notes, Themes, Insight Summary | Test Matrix, Test Plan | Completed Experiment Canvas, Success Metric |
Tagsno overlap | TimelineFacilitationSequence | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |