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| Criterion |  UX Research Diary Study |  Operations RACI Matrix |  Architecture arc42 |
|---|---|---|---|
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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 45-90 min | 1-2 Tage |
Participantsdifferent | 5-20 | 2-8 | 1-4 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | RACI Matrix, Responsibility Map, Decision Notes | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | UX researchTrackingBehavior | RolesResponsibilityGovernanceOperations | ArchitectureDocumentationCommunication |
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