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| Criterion |  UX Research Diary Study |  Growth Flywheel |  Engineering Goal Question Metric |  Growth Hooked 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. | 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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 60-120 min | 90-180 min | Multiple workshops over several weeks |
Participantsdifferent | 5-20 | 3-8 | 3-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | GQM Table, Metric Profiles | Hooked loop, Trigger map, Reward design, Ethics check |
Tagsno overlap | UX researchTrackingBehavior | GrowthRetentionConversion | MetricsMeasurementEngineeringAlignment | GrowthBehaviorRetention |