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| Criterion |  UX Research User Interviews |  Architecture Request for Comments |  Product Discovery Experiment Canvas |
|---|---|---|---|
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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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 | Medium | Low |
Timedifferent | 30–60 min per interview | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min |
Participantsdifferent | 1 participant per interview | 3-20 Reviewer | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Completed Experiment Canvas, Success Metric |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureDecisionAsyncGovernance | ExperimentsValidationDiscoveryHypothesis |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
