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| Criterion |  UX Research Diary Study |  Operations ALPEN Method |  Architecture C4 Model |
|---|---|---|---|
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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 10-20 min daily | 1-4 h |
Participantsdifferent | 5-20 | 1 | 1-5 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Daily Plan, Time Estimates, Review Notes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | UX researchTrackingBehavior | PlanningTime managementProductivityOperations | ArchitectureCommunicationVisualization |
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