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| Criterion |  UX Research Diary Study |  Growth Pirate Metrics AARRR |  Engineering Goal Question Metric |
|---|---|---|---|
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. | For products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-2 h Setup, laufend | 90-180 min |
Participantsdifferent | 5-20 | 2-8 | 3-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | AARRR funnel, Metric baseline, Experiment backlog | GQM Table, Metric Profiles |
Tagsno overlap | UX researchTrackingBehavior | GrowthMetricsExperiments | MetricsMeasurementEngineeringAlignment |
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