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| Criterion |  UX Research Diary Study |  Architecture arc42 |  Operations Root Cause Analysis |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-2 Tage | 1-4 h | 60-120 min |
Participantsdifferent | 5-20 | 1-4 | 3-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Architecture Document, Context View, Runtime View, Deployment View | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | UX researchTrackingBehavior | ArchitectureDocumentationCommunication | Root causeProblem solvingQualityIncident | ArchitectureCommunicationStakeholdersCanvas |