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| Criterion |  UX Research Diary Study |  Architecture Architecture Decision Record |  Growth Flywheel |
|---|---|---|---|
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 ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 15-45 min | 60-120 min |
Participantsdifferent | 5-20 | 1-3 | 3-8 |
Formatdifferent | Async | Async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | ADR File, Decision Log, Rationale | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog |
Tagsno overlap | UX researchTrackingBehavior | ArchitectureRationaleDocumentationGovernance | GrowthRetentionConversion |
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