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| Criterion |  UX Research Diary Study |  Decision Making Assumption Surfacing |  Architecture Architecture Decision Record |  Architecture Request for Comments |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-4 Wochen | 45-90 min | 15-45 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 5-20 | 2-8 | 1-3 | 3-20 Reviewer |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Assumption List, Critical Assumptions, Learning Plan | ADR File, Decision Log, Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | UX researchTrackingBehavior | AssumptionsRiskDecisionDiscovery | ArchitectureRationaleDocumentationGovernance | ArchitectureDecisionAsyncGovernance |