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| Criterion |  UX Research Diary Study |  Architecture Request for Comments |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-3 Wochen vom Draft bis zur Entscheidung | 45-60 min |
Participantsdifferent | 5-20 | 3-20 Reviewer | 2-8 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | UX researchTrackingBehavior | ArchitectureDecisionAsyncGovernance | AssumptionsRiskExperimentsValidation |
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