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| Criterion |  UX Research Diary Study |  Growth Flywheel |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
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. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 1-4 Wochen | 60-120 min | 2-6 h |
Participantsdifferent | 5-20 | 3-8 | 3-10 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | UX researchTrackingBehavior | GrowthRetentionConversion | RiskQualityOperationsRoot cause |
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